
GS816118(T/D)/GS816132(D)/GS816136(T/D)
Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com.
Rev:  2.13  11/2004
35/36
 1999, GSI Technology
18Mb Sync SRAM Datasheet Revision History
DS/DateRev. Code: Old;
New
Types of Changes
Format or Content
Page;Revisions;Reason
GS816118T-150IT 1.00 9/
1999A;GS816118T-150IT 
2.00 1/1999B
Content
 Converted from 0.25u 3.3V process to 0.18u 2.5V process. 
Master File Rev B
 Added x72 Pinout.
 Added GSI Logo.
 Changed pin description in TQFP to match order of pins in 
pinout.
GS816118T 2.01 1/
2000C;GS816118 T 2.02 1/
2000D
GS18/362.0 1/2000DGS18/
362.03 2/2000E
 Front page; Features - changed 2.5V I/O supply to 2.5V 
or3.3V I/O supply; Core and Interface voltages - Changed 
paragraph to include information for 3.3V;Completeness
 Absolute Maximum Ratings; Changed VDDQ - Value: From: -
.05 to VDD : to : -.05 to 3.6; Completeness.
 Recommended Operating Conditions;Changed: I/O Supply 
Voltage- Max. from VDD to 3.6; Input High Voltage- Max. from 
VDD +0.3 to 3.6; Same page - took out Note 1;Completeness 
 Electrical Characteristics - Added second Output High Voltage 
line to table; completeness.
 Note: There was not a Rev 2.02 for the 8160Z or the 8161Z.
 Changed the value of ZZ recovery in the AC Electrical 
Characteristics table on page 15 from 20 ns to 100 ns
GS18/362.03 2/200E; 
816118_r2_04
Content
816118_r2_04; 
816118_r2_05
Content/Format
 Added 225 MHz speed bin
 Updated Pg. 1 table, AC Characteristics table, and Operating 
Currents table to match 815xxx
 Updated format to comply with Technical Publications 
standards
 Updated Capitance table—removed Input row and changed 
Output row to I/O
816118_2_05; 
816118_r2_06
Content
816118_r2_06; 
811618_r2_07
Content
 Updated Features list on page 1
 Completely reworked table on page 1
 Updated Mode Pin Functions table on page 7
 Added 3.3 V references to entire document
 Updated Operating Conditions table
 Updated Boundary Scan Chain table
 Updated JTAG section
 Added Pin 56 to Pin Description table
 Updated Operating Currents table and added note
 Update table on page 1; added power numbers
 Updated Application Tips paragraph
 Updated Synchronous Truth Table
 Updated Operating Currents table
 Updated table on page 1; updated power numbers
 Updated Recommended Operating Conditions table (added 
V
DDQ
 references)
816118_r2_07; 
811618_r2_08
Content
816118_r2_08; 
811618_r2_09
Content