6.42
IDT71V2556, 128K x 36, 3.3V Synchronous ZBT SRAMs
with 2.5V I/O, Burst Counter, and Pipelined Outputs
Commercial and Industrial Temperature Ranges
23
The IDT logo is a registered trademark of Integrated Device Technology, Inc.
Datasheet Document History
6/30/99
Updatedtonewformat
8/23/99
AddedSmartZBTfunctionality
Pg. 4, 5
Added Note 4 and changed Pins 38, 42, and 43 to DNU
Pg. 6
Changed U2–U6 to DNU
Pg. 14
AddedSmartZBTACElectricalCharacteristics
Pg. 15
Improved tCD and tOE(MAX) at 166MHz
Revised tCHZ(MIN) for f
≤ 133 MHz
Revised tOHZ (MAX) for f
≤ 133 MHz
Improved tCH, tCL for f
≤ 166 MHz
Improved setup times for 100–200 MHz
Pg. 22
AddedBGApackagediagrams
Pg. 24
AddedDatasheetDocumentHistory
10/4/99
Pg. 14
RevisedACElectricalCharacteristicstable
Pg. 15
Revised tCHZ to match tCLZ and tCDC at 133MHz and 100MHz
12/31/99
RemovedSmartfunctionality
Added Industrial Temperature range offerings at the 100 to 166MHz speed grades.
04/30/00
Pg. 5,6
AddclarificationnotetoRecommendedTemperatureRatingsandAbsoluteMaxRatings
table;AddnotetoTQFPPinConfigurations
Pg. 6
AddBGACapacitancetable
Pg. 7
AddnotetoBGAPinConfigurations
Pg. 21
InsertTQFPPackageDiagramOutline
05/26/00
Add new package offering, 13 x 15mm 165fBGA
Pg. 23
Correct119BGAPackageDiagramOutline
07/26/00
Pg. 5,6,7
Add zz, sleep mode reference note to TQFP, BG119 and BQ165 pinouts
Pg. 8
UpdateBQ165pinout
Pg. 23
UpdateBG119packagediagramoutlines
10/25/00
RemovePreliminaryStatus
Pg. 8
Add note to pin N5, BQ165 pinout reserved for JTAG TRST
5/20/02
Pg. 1-8,15,22,23,27
Added JTAG "SA" version functionality & updated ZZ pin descriptions and notes.
10/15/04
Pg. 7
Updated pin configuration for the 119 BGA - reordered I/O signals on P6, P7 (128K x 36)
and P7, N6, L6, K7, H6, G7, F6, E7, D6 (256K x 18).
02/23/07
Pg. 27
Added X generation die step to ordering information.
10/13/08
Pg. 27
Removed "IDT" from orderable part number
05/24/10
Pg. 27
Added"Restrictedhazardoussubstancedevice"totheorderinginformation
04/11/11
Pg. 1-23
Removed 71V2558 (EOL), fBGA 165 pin and 200MHz.
Pg. 13,14
Added150MHzdataforCommercial&Industrialinformation.
Pg. 22
Added 150MHz and Tape and Reel to Ordering information and updated description of
RestrictedhazardoussubstancedevicetoGreen.
ZBT and ZeroBus Turnaround are trademarks of Integrated Device Technology, Inc. and the architecture is supported by Micron Technology and Motorola Inc.
CORPORATE HEADQUARTERS
for SALES:
for Tech Support:
6024 Silver Creek Valley Rd
800-345-7015 or 408-284-8200
sramhelp@idt.com
San Jose, CA 95138
fax: 408-284-2775
800-345-7015 or
www.idt.com
408/284-4555