MT55L256L32FT-10 Micron Semiconductor Products, MT55L256L32FT-10 Datasheet

no-image

MT55L256L32FT-10

Manufacturer Part Number
MT55L256L32FT-10
Description
8Mb: 256K x 32 FLOW-THROUGH ZBT SRAM
Manufacturer
Micron Semiconductor Products
Datasheet
8Mb
ZBT
FEATURES
• High frequency and 100 percent bus utilization
• Fast cycle times: 10ns, 11ns and 12ns
• Single +3.3V ±5% power supply (V
• Separate +3.3V or +2.5V isolated output buffer
• Advanced control logic for minimum control
• Individual BYTE WRITE controls may be tied LOW
• Single R/W# (read/write) control pin
• CKE# pin to enable clock and suspend operations
• Three chip enables for simple depth expansion
• Clock-controlled and registered addresses, data
• Internally self-timed, fully coherent WRITE
• Internally self-timed, registered outputs to
• SNOOZE MODE for reduced-power standby
• Common data inputs and data outputs
• Linear or Interleaved Burst Modes
• Burst feature (optional)
• Pin/function compatibility with 2Mb, 4Mb, and
• 100-pin TQFP
• 165-pin FBGA
• 119-pin BGA package
• Automatic power-down
OPTIONS
• Timing (Access/Cycle/MHz)
• Configurations
• Package
• Operating Temperature Range
8Mb: 512K x 18, 256K x 32/36 Flow-Through ZBT SRAM
MT55L512L18F_2.p65 – Rev. 6/01
supply (V
signal interface
I/Os and control signals
eliminate the need to control OE#
18Mb ZBT SRAM
7.5ns/10ns/100 MHz
8.5ns/11ns/90 MHz
9ns/12ns/83 MHz
3.3V I/O
2.5V I/O
100-pin TQFP
165-pin FBGA
119-pin, 14mm x 22mm BGA
Commercial (0ºC to +70ºC)
Industrial (-40°C to +85°C)**
512K x 18
256K x 32
256K x 36
512K x 18
256K x 32
256K x 36
®
DD
SRAM
Q)
DD
MT55L512V18F
MT55L256V32F
MT55L256V36F
MT55L512L18F
MT55L256L32F
MT55L256L36F
MARKING*
)
None
-10
-11
-12
IT
T
B
F
1
MT55L512L18F, MT55L512V18F,
MT55L256L32F, MT55L256V32F,
MT55L256L36F, MT55L256V36F
3.3V V
* A Part Marking Guide for the FBGA devices can be found on Micron’s
** Industrial temperature range offered in specific speed grades and
NOTE: 1. JEDEC-standard MS-026 BHA (LQFP).
Web
confgurations. Contact factory for more information.
site—http://www.micron.com/support/index.html.
8Mb: 512K x 18, 256K x 32/36
Micron Technology, Inc., reserves the right to change products or specifications without notice.
DD
2. JEDEC-standard MS-028 BHA (PBGA).
FLOW-THROUGH ZBT SRAM
, 3.3V or 2.5V I/O
(Preliminary Package Data)
MT55L256L32FT-11
100-Pin TQFP
165-Pin FBGA
119-Pin BGA
Part Number Example:
2
1
©2001, Micron Technology, Inc.

Related parts for MT55L256L32FT-10

MT55L256L32FT-10 Summary of contents

Page 1

... Industrial temperature range offered in specific speed grades and confgurations. Contact factory for more information. 1 Micron Technology, Inc., reserves the right to change products or specifications without notice. 1 100-Pin TQFP 165-Pin FBGA (Preliminary Package Data) 2 119-Pin BGA Part Number Example: MT55L256L32FT-11 ©2001, Micron Technology, Inc. ...

Page 2

SA0, SA1, SA MODE CE CLK K CKE# ADV/LD# BWa# BWb# R/W# OE# CE# CE2 CE2# 18 SA0, SA1, SA MODE CE CLK K CKE# ADV/LD# BWa# BWb# BWc# BWd# R/W# OE# CE# CE2 CE2# NOTE: Functional block diagrams ...

Page 3

GENERAL DESCRIPTION ® The Micron Zero Bus Turnaround family employs high-speed, low-power CMOS designs using an advanced CMOS process. Micron’s 8Mb ZBT SRAMs integrate a 512K x 18, 256K x 32, or 256K x 36 SRAM core with advanced synchronous ...

Page 4

TQFP PIN ASSIGNMENT TABLE PIN # x18 x32 x36 PIN # DQPc DQc DQc DQc DQc DQc DQc 31 ...

Page 5

ADV/LD# 85 OE# (G#) 86 CKE# 87 R/W# 88 CLK CE2# 92 BWa# 93 BWb CE2 97 CE# 98 ...

Page 6

TQFP PIN DESCRIPTIONS x18 x32/x36 32-35, 44-50, 32-35, 44-50, 80-83, 99, 81-83, 99, 100 100 – 95 – ...

Page 7

TQFP PIN DESCRIPTIONS (CONTINUED) x18 x32/x36 (a) 58, 59, 62, 63, (a) 52, 53, 56-59, 68, 69, 72-74 62 12, 13, (b) 68, 69, 72-75, 18, 19, 22-24 78, 79 (c) 2, ...

Page 8

CE# BWb# NC CE2# CKE CE2 NC BWa# CLK R/ ...

Page 9

FBGA PIN DESCRIPTIONS x18 x32/x36 SYMBOL 2A, 9A, 2B, 2A, 9A, 2B, 3P, 3R, 4P, 4R, 3P, 3R, 4P, 4R, 8P, 8R, 9P, 9R, 8P, 8R, 9P, 10A, 10B, 10P, 9R, 10A, 10B, 10R, 11A, 11R ...

Page 10

FBGA PIN DESCRIPTIONS (continued) x18 x32/x36 SYMBOL 8A 8A ADV/LD# Input Synchronous Address Advance/Load: When HIGH, this input MODE (LB0#) (a) 10J, 10K, (a) 10J, 10K, 10L, 10M, 11D, 10L, 10M, 11J, 11E, 11F, 11G 11K, 11L, ...

Page 11

FBGA PIN DESCRIPTIONS (continued) x18 x32/x36 SYMBOL 1H, 4C, 4N, 1H, 4C, 4N, 5C, 5D, 5E, 5F, 5C, 5D, 5E, 5F, 5G, 5H, 5J, 5G, 5H, 5J, 5K, 5L, 5M, 5K, 5L, 5M, 6C, 6D, 6E, 6F, 6C, 6D, 6E, ...

Page 12

CE2 SA ADV/LD DQb DQb V CE ...

Page 13

BGA PIN DESCRIPTIONS x32/x36 2A, 3A, 5A, 2A, 2C, 2R, 6A, 3B, 5B, 3A, 3B, 3C, 2C, 3C, 5C, 3T, 4T, ...

Page 14

BGA PIN DESCRIPTIONS (continued x32/x36 ADV#/LD# Input Synchronous Address Advance/Load: When HIGH, this input ...

Page 15

BGA PIN DESCRIPTIONS (continued x32/x36 3D, 3E, 3F, 3D, 3E, 3F, 3H, 3K, 3L, 3H, 3K, 3M, 3M, 3N, 3P, 3N, 3P, 5D, 5D, 5E, 5F, 5E, ...

Page 16

INTERLEAVED BURST ADDRESS TABLE (MODE = NC OR HIGH) FIRST ADDRESS (EXTERNAL) SECOND ADDRESS (INTERNAL) X...X00 X...X01 X...X10 X...X11 LINEAR BURST ADDRESS TABLE (MODE = LOW) FIRST ADDRESS (EXTERNAL) SECOND ADDRESS (INTERNAL) X...X00 X...X01 X...X10 X...X11 PARTIAL TRUTH TABLE FOR ...

Page 17

DS BEGIN READ READ READ BURST BURST READ KEY: COMMAND DS READ WRITE BURST NOTE STALL or IGNORE CLOCK EDGE cycle is not shown in the above diagram. This is because CKE# HIGH only blocks the clock (CLK) ...

Page 18

TRUTH TABLE (Notes 5-10) OPERATION DESELECT Cycle DESELECT Cycle DESELECT Cycle CONTINUE DESELECT Cycle READ Cycle (Begin Burst) READ Cycle (Continue Burst) NOP/DUMMY READ (Begin Burst) DUMMY READ (Continue Burst) WRITE Cycle (Begin Burst) WRITE Cycle (Continue Burst) NOP/WRITE ABORT ...

Page 19

ABSOLUTE MAXIMUM RATINGS* Voltage on V Supply DD Relative to V .................................. -0.5V to +4.6V SS Voltage Supply DD Relative to V ..................................... -0. ............................................... -0. Storage Temperature (TQFP) ............ ...

Page 20

I/O DC ELECTRICAL CHARACTERISTICS AND OPERATING CONDITIONS (0°C ≤ T ≤ +70° +3.3V ±0.165V DESCRIPTION Input High (Logic 1) Voltage Input Low (Logic 0) Voltage Input Leakage Current Output Leakage Current Output High Voltage ...

Page 21

I OPERATING CONDITIONS AND MAXIMUM LIMITS DD (Note 1) (0°C ≤ T ≤ +70° +3.3V ±0.165V unless otherwise noted DESCRIPTION Device selected; All inputs ≤ V Power Supply or ≥ Cycle time ≥ Current: ...

Page 22

FBGA THERMAL RESISTANCE DESCRIPTION Junction to Ambient Test conditions follow standard test methods (Airflow of 1m/s) Junction to Case (Top) Junction to Pins (Bottom) AC ELECTRICAL CHARACTERISTICS (Notes (0°C ≤ T ≤ +70° DESCRIPTION Clock ...

Page 23

I/O AC TEST CONDITIONS Input pulse levels ................................... V Input rise and fall times ..................................... 1ns Input timing reference levels .......................... 1.5V Output reference levels ................................... 1.5V Output load ............................. See Figures 1 and 2 3.3V I/O Output Load ...

Page 24

SNOOZE MODE SNOOZE MODE is a low-current, “power-down” mode in which the device is deselected and current is reduced The duration of SNOOZE MODE dictated by the length of time the ZZ pin ...

Page 25

CLK t EVKH t KHEX t KHKL CKE# t CVKH t KHCX CE# ADV/LD# R/W# BWx ADDRESS t AVKH t KHAX DQ D(A1) t DVKH t KHDX OE# COMMAND WRITE WRITE D(A1) D(A2) READ/WRITE TIMING PARAMETERS ...

Page 26

CLK CKE# CE# ADV/LD# R/W# BWx ADDRESS D(A1) DQ COMMAND WRITE READ D(A1) Q(A2) NOP, STALL, AND DESELECT TIMING PARAMETERS -10 -11 SYM MIN MAX MIN MAX t KHQX 3.0 3.0 t KHQZ 5.0 5.0 NOTE: ...

Page 27

PIN #1 ID 14.00 ±0.10 +0.20 16.00 -0.05 NOTE: 1. All dimensions in millimeters. 2. Package width and length do not include mold protrusion; allowable mold protrusion is 0.25mm per side. 8Mb: 512K x 18, 256K x 32/36 Flow-Through ZBT ...

Page 28

BALL A11 165X Ø 0.45 SOLDER BALL DIAMETER REFERS TO POST REFLOW CONDITION. THE PRE-REFLOW DIAMETER IS Ø 0.40 7.50 ±0.05 15.00 ±0.10 7.00 ±0.05 5.00 ±0.05 NOTE: 1. All dimensions in millimeters MAX or typical where noted. ...

Page 29

A1 CORNER 0.75 ±0.15 Ø A1 CORNER 20.32 NOTE: 1. All dimensions in millimeters MAX or typical where noted. 2. Solder ball pad is 0.6mm. 8000 S. Federal Way, P.O. Box 6, Boise, ID 83707-0006, Tel: ...

Page 30

REVISION HISTORY Removed note "Not Recommended for New Designs," Rev. 6/01 ................................................................ June 7/01 Added industrial temperature references and notes, Rev. 3/01 ................................................................ March 19/01 Changed 16Mb references to 18Mb Changed NC/DQPx to NF/DQPx Added 119-pin PBGA package, Rev. 1/01, ...

Related keywords