72T7285L4-4BBG Integrated Device Technology (Idt), 72T7285L4-4BBG Datasheet

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72T7285L4-4BBG

Manufacturer Part Number
72T7285L4-4BBG
Description
FIFO Mem Sync Dual Depth/Width Uni-Dir 16K x 72 324-Pin BGA
Manufacturer
Integrated Device Technology (Idt)
Datasheet

Specifications of 72T7285L4-4BBG

Package
324BGA
Configuration
Dual
Bus Directional
Uni-Directional
Density
1.125 Mb
Organization
16Kx72
Data Bus Width
72 Bit
Timing Type
Synchronous
Expansion Type
Depth|Width
Typical Operating Supply Voltage
2.5 V
Operating Temperature
0 to 70 °C
© 2009 Integrated Device Technology, Inc. All rights reserved. Product specifications subject to change without notice.
FEATURES:
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FUNCTIONAL BLOCK DIAGRAM
IDT and the IDT logo are registered trademarks of Integrated Device Technology, Inc. The TeraSync FIFO is a trademark of Integrated Device Technology, Inc.
COMMERCIAL AND INDUSTRIAL TEMPERATURE RANGES
Choose among the following memory organizations:
Up to 225 MHz Operation of Clocks
User selectable HSTL/LVTTL Input and/or Output
Read Enable & Read Clock Echo outputs aid high speed operation
User selectable Asynchronous read and/or write port timing
2.5V LVTTL or 1.8V, 1.5V HSTL Port Selectable Input/Ouput voltage
3.3V Input tolerant
Mark & Retransmit, resets read pointer to user marked position
Write Chip Select (WCS) input disables Write Port HSTL inputs
Read Chip Select (RCS) synchronous to RCLK
Programmable Almost-Empty and Almost-Full flags, each flag can
default to one of eight preselected offsets
Program programmable flags by either serial or parallel means
Selectable synchronous/asynchronous timing modes for Almost-
Empty and Almost-Full flags
Separate SCLK input for Serial programming of flag offsets
User selectable input and output port bus-sizing
IDT72T7285
IDT72T7295
IDT72T72105 ⎯ ⎯ ⎯ ⎯ ⎯
IDT72T72115 ⎯ ⎯ ⎯ ⎯ ⎯
WHSTL
RHSTL
ASYW
SHSTL
TRST
MRS
PRS
TMS
TDO
TCK
Vref
OW
BM
TDI
BE
IW
IP
⎯ ⎯ ⎯ ⎯ ⎯
⎯ ⎯ ⎯ ⎯ ⎯
16,384 x 72
32,768 x 72
65,536 x 72
131,072 x 72
(BOUNDARY SCAN)
WCS
CONFIGURATION
WRITE CONTROL
WRITE POINTER
JTAG CONTROL
CONTROL
CONTROL
RESET
HSTL I/0
LOGIC
LOGIC
WEN WCLK/WR
LOGIC
BUS
2.5 VOLT HIGH-SPEED TeraSync
16,384 x 72, 32,768 x 72,
65,536 x 72, 131,072 x 72
OE
OUTPUT REGISTER
Q
0
INPUT REGISTER
D
-Q
RAM ARRAY
0
131,072 x 72
16,384 x 72
32,768 x 72
65,536 x 72
-D
n
(x72, x36 or x18)
n
(x72, x36 or x18)
1
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- x72 in to x72 out
- x72 in to x36 out
- x72 in to x18 out
- x36 in to x72 out
- x18 in to x72 out
Big-Endian/Little-Endian user selectable byte representation
Auto power down minimizes standby power consumption
Master Reset clears entire FIFO
Partial Reset clears data, but retains programmable settings
Empty, Full and Half-Full flags signal FIFO status
Select IDT Standard timing (using EF and FF flags) or First Word
Fall Through timing (using OR and IR flags)
Output enable puts data outputs into high impedance state
JTAG port, provided for Boundary Scan function
Available in 324-pin (19mm x 19mm)Plastic Ball Grid Array (PBGA)
Easily expandable in depth and width
Independent Read and Write Clocks (permit reading and writing
simultaneously)
High-performance submicron CMOS technology
Industrial temperature range (–40° ° ° ° ° C to +85° ° ° ° ° C) is available
Green parts are available, see ordering information
TM
OFFSET REGISTER
READ POINTER
EREN
FIFO 72-BIT CONFIGURATIONS
LOGIC
ERCLK
CONTROL
FLAG
LOGIC
READ
LD
IDT72T72105, IDT72T72115
IDT72T7285, IDT72T7295,
SEN
RCS
REN
SCLK
RCLK/RD
5994 drw01
RT
MARK
ASYR
FF/IR
PAF
PAE
HF
FWFT/SI
PFM
FSEL0
FSEL1
EF/OR
FEBRUARY 2009
DSC-5994/15

Related parts for 72T7285L4-4BBG

72T7285L4-4BBG Summary of contents

Page 1

VOLT HIGH-SPEED TeraSync 16,384 x 72, 32,768 x 72, 65,536 x 72, 131,072 x 72 FEATURES: • • • • • Choose among the following memory organizations: ⎯ ⎯ ⎯ ⎯ ⎯ IDT72T7285 16,384 x 72 ⎯ ⎯ ⎯ ...

Page 2

IDT72T7285/72T7295/72T72105/72T72115 2.5V TeraSync™ ™ ™ ™ ™ 72-BIT FIFO 16,384 x 72, 32,768 x 72, 65,536 x 72, 131,072 x 72 PIN CONFIGURATION A1 BALL PAD CORNER A V D60 D61 D63 D66 CC B D59 D58 D62 D64 D67 ...

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DESCRIPTION: The IDT72T7285/72T7295/72T72105/72T72115 are exceptionally deep, extremely high speed, CMOS First-In-First-Out (FIFO) memories with clocked read and write controls and a flexible Bus-Matching x72/x36/x18 data flow. These FIFOs ...

Page 4

IDT72T7285/72T7295/72T72105/72T72115 2.5V TeraSync™ ™ ™ ™ ™ 72-BIT FIFO 16,384 x 72, 32,768 x 72, 65,536 x 72, 131,072 x 72 DESCRIPTION (CONTINUED) The device can be configured with different input and output bus widths as shown in Table 1. ...

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WRITE CLOCK (WCLK/WR) WRITE ENABLE (WEN) WRITE CHIP SELECT (WCS) (x72, x36, x18) DATA IN (D SERIAL CLOCK (SCLK) SERIAL ENABLE(SEN) FIRST WORD FALL THROUGH/ SERIAL INPUT (FWFT/SI) ...

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IDT72T7285/72T7295/72T72105/72T72115 2.5V TeraSync™ ™ ™ ™ ™ 72-BIT FIFO 16,384 x 72, 32,768 x 72, 65,536 x 72, 131,072 x 72 PIN DESCRIPTION Symbol Name I/O TYPE (1) ASYR Asynchronous LVTTL Read Port INPUT ASYW (1) Asynchronous LVTTL Write Port ...

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PIN DESCRIPTION (CONTINUED) Symbol Name I/O TYPE PAE HSTL-LVTTL PAE goes LOW if the number of words in the FIFO memory is less than offset n, which is ...

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IDT72T7285/72T7295/72T72105/72T72115 2.5V TeraSync™ ™ ™ ™ ™ 72-BIT FIFO 16,384 x 72, 32,768 x 72, 65,536 x 72, 131,072 x 72 PIN DESCRIPTION (CONTINUED) Symbol Name I/O TYPE TRST HSTL-LVTTL TRST is an asynchronous reset pin for the JTAG controller. ...

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ABSOLUTE MAXIMUM RATINGS Symbol Rating V Terminal Voltage TERM with respect to GND T Storage Temperature STG I DC Output Current OUT NOTES: 1. Stresses greater than those ...

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... Industrial temperature range product for the 5ns speed grade is available as a standard device. All other speed grades are available by special order. (1) — SYNCHRONOUS TIMING = 2.5V ± 5 -40°C to +85° Commercial Com’l & Ind’l IDT72T7285L4-4 IDT72T7285L5 IDT72T7295L4-4 IDT72T7295L5 IDT72T72105L4-4 IDT72T72105L5 IDT72T72105L6-7 IDT72T72105L10 IDT72T72115L4-4 IDT72T72115L5 IDT72T72115L6-7 IDT72T72115L10 Min ...

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... Values guaranteed by design, not currently tested. 2. Industrial temperature range product for the 5ns speed grade is available as a standard device. All other speed grades are available by special order. = 2.5V ± 5 -40°C to +85° Commercial IDT72T7285L4-4 IDT72T7295L4-4 IDT72T72105L4-4 IDT72T72115L4-4 Min. Max. — ...

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IDT72T7285/72T7295/72T72105/72T72115 2.5V TeraSync™ ™ ™ ™ ™ 72-BIT FIFO 16,384 x 72, 32,768 x 72, 65,536 x 72, 131,072 x 72 HSTL 1.5V AC TEST CONDITIONS Input Pulse Levels Input Rise/Fall Times Input Timing Reference Levels Output Reference Levels NOTE: ...

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OUTPUT ENABLE & DISABLE TIMING Output Enable OE Output V CC Normally 2 LOW Output V CC Normally 2 HIGH NOTES: 1. REN is HIGH. 2. RCS is ...

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IDT72T7285/72T7295/72T72105/72T72115 2.5V TeraSync™ ™ ™ ™ ™ 72-BIT FIFO 16,384 x 72, 32,768 x 72, 65,536 x 72, 131,072 x 72 FUNCTIONAL DESCRIPTION TIMING MODES: IDT STANDARD vs FIRST WORD FALL THROUGH (FWFT) MODE The IDT72T7285/72T7295/72T72105/72T72115 support two different timing ...

Page 15

TABLE 2 — DEFAULT PROGRAMMABLE FLAG OFFSETS IDT72T7285,72T7295,72T72105,72T72115 *LD FSEL1 FSEL0 *LD ...

Page 16

IDT72T7285/72T7295/72T72105/72T72115 2.5V TeraSync™ ™ ™ ™ ™ 72-BIT FIFO 16,384 x 72, 32,768 x 72, 65,536 x 72, 131,072 x 72 TABLE 3 ⎯ STATUS FLAGS FOR IDT STANDARD MODE IDT72T7285 0 Number of ( Words in ...

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LD WEN REN NOTES: 1. The programming method can only be selected ...

Page 18

IDT72T7285/72T7295/72T72105/72T72115 2.5V TeraSync™ ™ ™ ™ ™ 72-BIT FIFO 16,384 x 72, 32,768 x 72, 65,536 x 72, 131,072 x 72 1st Parallel Offset Write/Read Cycle D/Q71 D/Q19 D/Q17 2nd Parallel Offset Write/Read Cycle D/Q71 D/Q19 D/Q17 ...

Page 19

SERIAL PROGRAMMING MODE If Serial Programming mode has been selected, as described above, then programming of PAE and PAF values can be achieved by using a combination of ...

Page 20

IDT72T7285/72T7295/72T72105/72T72115 2.5V TeraSync™ ™ ™ ™ ™ 72-BIT FIFO 16,384 x 72, 32,768 x 72, 65,536 x 72, 131,072 x 72 Once a marked location has been set (and the device is still in retransmit mode, MARK is HIGH), a ...

Page 21

SIGNAL DESCRIPTION INPUTS: DATA Data inputs for 72-bit wide data ( data inputs for 36-bit wide data 0 ...

Page 22

IDT72T7285/72T7295/72T72105/72T72115 2.5V TeraSync™ ™ ™ ™ ™ 72-BIT FIFO 16,384 x 72, 32,768 x 72, 65,536 x 72, 131,072 x 72 marked location. During retransmit mode write operations to the device may continue without hindrance. FIRST WORD FALL THROUGH/SERIAL IN ...

Page 23

During Master or a Partial Reset the OE is the only input that can place the output bus Qn, into High-Impedance. During Reset ...

Page 24

IDT72T7285/72T7295/72T72105/72T72115 2.5V TeraSync™ ™ ™ ™ ™ 72-BIT FIFO 16,384 x 72, 32,768 x 72, 65,536 x 72, 131,072 x 72 OUTPUTS: FULL FLAG ( FF/IR ) This is a dual purpose pin. In IDT Standard mode, the Full Flag ...

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ECHO READ CLOCK (ERCLK) The Echo Read Clock output is provided in both HSTL and LVTTL mode, selectable via RHSTL. The ERCLK is a free-running clock output, it ...

Page 26

IDT72T7285/72T7295/72T72105/72T72115 2.5V TeraSync™ ™ ™ ™ ™ 72-BIT FIFO 16,384 x 72, 32,768 x 72, 65,536 x 72, 131,072 x 72 BYTE ORDER ON INPUT PORT: BYTE ORDER ON OUTPUT PORT ...

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BYTE ORDER ON INPUT PORT: BYTE ORDER ON OUTPUT PORT BYTE ORDER ...

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IDT72T7285/72T7295/72T72105/72T72115 2.5V TeraSync™ ™ ™ ™ ™ 72-BIT FIFO 16,384 x 72, 32,768 x 72, 65,536 x 72, 131,072 x 72 JTAG TIMING SPECIFICATION t 1 TCK t 3 TDI/ TMS TDO t TRST t 5 SYSTEM INTERFACE PARAMETERS Parameter ...

Page 29

JTAG INTERFACE Five additional pins (TDI, TDO, TMS, TCK and TRST) are provided to support the JTAG boundary scan interface. The IDT72T7285/72T7295/ 72T72105/72T72115 incorporates the necessary tap controller ...

Page 30

IDT72T7285/72T7295/72T72105/72T72115 2.5V TeraSync™ ™ ™ ™ ™ 72-BIT FIFO 16,384 x 72, 32,768 x 72, 65,536 x 72, 131,072 Input = TMS NOTES: 1. Five consecutive TCK cycles with TMS = 1 will reset the TAP. ...

Page 31

THE INSTRUCTION REGISTER The Instruction register allows an instruction to be shifted in serially into the processor at the rising edge of TCLK. The Instruction is used to ...

Page 32

IDT72T7285/72T7295/72T72105/72T72115 2.5V TeraSync™ ™ ™ ™ ™ 72-BIT FIFO 16,384 x 72, 32,768 x 72, 65,536 x 72, 131,072 x 72 MRS t RSS REN t RSS WEN t RSS FWFT/SI t RSS LD t RSS FSEL0, FSEL1 t RSS ...

Page 33

PRS t RSS REN t RSS WEN t RSS RT t RSS SEN EF/OR FF/IR PAE PAF NOTE: 1. During Partial ...

Page 34

IDT72T7285/72T7295/72T72105/72T72115 2.5V TeraSync™ ™ ™ ™ ™ 72-BIT FIFO 16,384 x 72, 32,768 x 72, 65,536 x 72, 131,072 WRITE WCLK 1 (1) t SKEW1 WEN RCLK t t ENS ENH ...

Page 35

RCLK t ENS REN t ENS t ENH RCS RCSLZ LAST DATA WCLK WEN Dn NOTES: is the minimum time between ...

Page 36

IDT72T7285/72T7295/72T72105/72T72115 2.5V TeraSync™ ™ ™ ™ ™ 72-BIT FIFO 16,384 x 72, 32,768 x 72, 65,536 x 72, 131,072 x 72 COMMERCIAL AND INDUSTRIAL 36 TEMPERATURE RANGES ...

Page 37

COMMERCIAL AND INDUSTRIAL 37 TEMPERATURE RANGES ...

Page 38

IDT72T7285/72T7295/72T72105/72T72115 2.5V TeraSync™ ™ ™ ™ ™ 72-BIT FIFO 16,384 x 72, 32,768 x 72, 65,536 x 72, 131,072 x 72 COMMERCIAL AND INDUSTRIAL 38 TEMPERATURE RANGES ...

Page 39

COMMERCIAL AND INDUSTRIAL 39 TEMPERATURE RANGES ...

Page 40

IDT72T7285/72T7295/72T72105/72T72115 2.5V TeraSync™ ™ ™ ™ ™ 72-BIT FIFO 16,384 x 72, 32,768 x 72, 65,536 x 72, 131,072 x 72 COMMERCIAL AND INDUSTRIAL 40 TEMPERATURE RANGES ...

Page 41

COMMERCIAL AND INDUSTRIAL 41 TEMPERATURE RANGES ...

Page 42

IDT72T7285/72T7295/72T72105/72T72115 2.5V TeraSync™ ™ ™ ™ ™ 72-BIT FIFO 16,384 x 72, 32,768 x 72, 65,536 x 72, 131,072 SCLK t t SCKH SCKL SCLK t t SENS SEN t t LDS LD t SDS BIT 1 ...

Page 43

CLKL CLKL WCLK t t ENS ENH WEN PAF +1) words in FIFO RCLK REN NOTES PAF offset ...

Page 44

IDT72T7285/72T7295/72T72105/72T72115 2.5V TeraSync™ ™ ™ ™ ™ 72-BIT FIFO 16,384 x 72, 32,768 x 72, 65,536 x 72, 131,072 x 72 WCLK WEN PAF words in FIFO RCLK REN NOTES PAF offset. ...

Page 45

WCLK WEN HF D/2 words in FIFO D RCLK REN NOTES IDT Standard mode maximum FIFO depth 16,384 ...

Page 46

IDT72T7285/72T7295/72T72105/72T72115 2.5V TeraSync™ ™ ™ ™ ™ 72-BIT FIFO 16,384 x 72, 32,768 x 72, 65,536 x 72, 131,072 x 72 COMMERCIAL AND INDUSTRIAL 46 TEMPERATURE RANGES ...

Page 47

WCLK t ENS WEN n+1 n+2 t SKEW1 RCLK a t ERCLK ERCLK REN RCS EREN HIGH-Z ...

Page 48

IDT72T7285/72T7295/72T72105/72T72115 2.5V TeraSync™ ™ ™ ™ ™ 72-BIT FIFO 16,384 x 72, 32,768 x 72, 65,536 x 72, 131,072 x 72 RCLK REN FFA NOTE LOW, ...

Page 49

No Write WCLK 1 WEN SKEW t CYL Last Word W X NOTE LOW, RCS = LOW and ...

Page 50

IDT72T7285/72T7295/72T72105/72T72115 2.5V TeraSync™ ™ ™ ™ ™ 72-BIT FIFO 16,384 x 72, 32,768 x 72, 65,536 x 72, 131,072 CYC t t CYH CYL Last Word in O/P Register ...

Page 51

OPTIONAL CONFIGURATIONS WIDTH EXPANSION CONFIGURATION Word width may be increased simply by connecting together the control signals of multiple devices. Status flags can be detected from any one ...

Page 52

IDT72T7285/72T7295/72T72105/72T72115 2.5V TeraSync™ ™ ™ ™ ™ 72-BIT FIFO 16,384 x 72, 32,768 x 72, 65,536 x 72, 131,072 x 72 FWFT/SI FWFT/SI WRITE CLOCK WCLK WRITE ENABLE IDT WEN 72T7285 72T7295 INPUT READY IR 72T72105 72T72115 n DATA IN ...

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ORDERING INFORMATION XXXXX X XX Device Type Power Speed Package NOTES: 1. Industrial temperature range product for 5ns speed grade is available as a standard device. All other speed grades are available by special order. 2. Green parts available. For ...

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