IDT74ALVCHR162269APA8 IDT, Integrated Device Technology Inc, IDT74ALVCHR162269APA8 Datasheet

IDT74ALVCHR162269APA8

Manufacturer Part Number
IDT74ALVCHR162269APA8
Description
Manufacturer
IDT, Integrated Device Technology Inc
Datasheet

Specifications of IDT74ALVCHR162269APA8

Lead Free Status / Rohs Status
Not Compliant
FEATURES:
• 0.5 MICRON CMOS Technology
• Typical t
• ESD > 2000V per MIL-STD-883, Method 3015; > 200V using
• V
• V
• V
• CMOS power levels (0.4μ μ μ μ μ W typ. static)
• Rail-to-Rail output swing for increased noise margin
• Available in TSSOP package
DRIVE FEATURES:
• Balanced Output Drivers: ±12mA
• Low Switching Noise
APPLICATIONS:
• 3.3V high speed systems
• 3.3V and lower voltage computing systems
FUNCTIONAL BLOCK DIAGRAM
The IDT logo is a registered trademark of Integrated Device Technology, Inc.
INDUSTRIAL TEMPERATURE RANGE
© 2004 Integrated Device Technology, Inc.
IDT74ALVCH162269A
3.3V CMOS 12-BIT TO 24-BIT REGISTERED BUS EXCHANGER
machine model (C = 200pF, R = 0)
CC
CC
CC
= 3.3V ± 0.3V, Normal Range
= 2.5V ± 0.2V
= 2.7V to 3.6V, Extended Range
SK(o)
(Output Skew) < 250ps
CLKENA
CLKENA
OEB
OEB
OEA
CLK
SEL
A
2
2
1
1
1
8
1
28
29
2
56
30
55
3.3V CMOS 12-BIT TO
24-BIT REGISTERED BUS
EXCHANGER WITH 3-STATE
OUTPUTS AND BUS-HOLD
1D
C1
C1
1D
1
DESCRIPTION:
which two separate ports must be multiplexed onto, or demultiplexed from,
a single port. It is particularly suitable as an interface between synchronous
DRAMs and high-speed microprocessors.
of the clock (CLK) input when the appropriate clock-enable (CLKENA)
inputs are low. Proper control of these inputs allows two sequential 12-bit
words to be presented as a 24-bit word on the B-port. For data transfer
in the B-to-A direction, a single storage register is provided. The select SEL
line selects 1B or 2B data for the A outputs. The register on the A output
permits the fastest possible data transfer, thus extending the period during
which the data is valid on the bus. The control terminals are registered so
that all transactions are synchronous with CLK. Data flow is controlled by
the active-low output enables (OEA, OEB1 and OEB2).
ture which will significantly reduce line noise when used with light loads.
This driver has been designed to drive ±12mA at the designated threshold
levels.
whenever the input goes to a high impedance. This prevents floating inputs
and eliminates the need for pull-up/down resistors.
CE
1D
CE
1D
C1
C1
This 12-bit to 24-bit registered bus exchanger is used in applications in
Data is stored in the internal B-port registers on the low-to-high transition
The ALVCHR162269A has series resistors in the device output struc-
The ALVCHR162269A has “bus-hold” which retains the inputs’ last state
1 of 12 Channels
1D
C1
0
1
1D
C1
1D
C1
IDT74ALVCHR162269A
23
6
INDUSTRIAL TEMPERATURE RANGE
1
2
B
B
1
1
JANUARY 2004
DSC-4239/4

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IDT74ALVCHR162269APA8 Summary of contents

Page 1

IDT74ALVCH162269A 3.3V CMOS 12-BIT TO 24-BIT REGISTERED BUS EXCHANGER FEATURES: • 0.5 MICRON CMOS Technology • Typical t (Output Skew) < 250ps SK(o) • ESD > 2000V per MIL-STD-883, Method 3015; > 200V using machine model (C = 200pF, R ...

Page 2

IDT74ALVCH162269A 3.3V CMOS 12-BIT TO 24-BIT REGISTERED BUS EXCHANGER PIN CONFIGURATION OEA 1 2 OEB GND ...

Page 3

IDT74ALVCH162269A 3.3V CMOS 12-BIT TO 24-BIT REGISTERED BUS EXCHANGER PIN DESCRIPTION Pin Names I/O Description Ax I/O Bidirectional Data Port A. Usually connected to the CPU’s Address/Data bus. (1:12) 1Bx I/O Bidirectional Data Port 1B. Usually connected to the even ...

Page 4

IDT74ALVCH162269A 3.3V CMOS 12-BIT TO 24-BIT REGISTERED BUS EXCHANGER BUS-HOLD CHARACTERISTICS (1) Symbol Parameter I Bus-Hold Input Sustain Current BHH I BHL I Bus-Hold Input Sustain Current BHH I BHL I Bus-Hold Input Overdrive Current BHHO I BHLO NOTES: 1. ...

Page 5

IDT74ALVCH162269A 3.3V CMOS 12-BIT TO 24-BIT REGISTERED BUS EXCHANGER SWITCHING CHARACTERISTICS Symbol Parameter f Clock Frequency CLOCK t Propagation Delay PLH t CLK to xBx PHL t Propagation Delay PLH t CLK to Ax PHL t Output Enable Time PZH ...

Page 6

IDT74ALVCH162269A 3.3V CMOS 12-BIT TO 24-BIT REGISTERED BUS EXCHANGER TEST CIRCUITS AND WAVEFORMS TEST CONDITIONS (1) (1) Symbol V = 3.3V±0. 2. LOAD V 2.7 2 1.5 1 300 ...

Page 7

IDT74ALVCH162269A 3.3V CMOS 12-BIT TO 24-BIT REGISTERED BUS EXCHANGER ORDERING INFORMATION IDT XX ALVC X Bus-Hold Family Temp. Range CORPORATE HEADQUARTERS 6024 Silver Creek Valley Road San Jose, CA 95138 XX XXX XX Device Type Package PA 269A R162 H ...

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