Document
MIC:RON
1-· ~'c,'
PRELIMINARY
MT5C256K4A1 REVOLUTIONARY PINOUT 256K x 4 SRAM
SRAM
FEATURES
• High speed: 12, 15,20 and 25ns • Multiple center power and ground pins for greater
noise immunity • Easy memory expansion with CE and OE options • Automatic CE power down • All inputs and outputs are TTL-compatible • High-performance, low-power, CMOS double-metal
process • Single +5V ±10% power supply • Fast OE access times: 6, 8, 10 and 12ns
OPTIONS
• Timing 12ns access 15ns access 20ns access 25ns access
MARKING
-12 -15 -20 -25
• Packages 32-pin SOJ (400 mil)
DJ
• 2V data retention
• Temperature Commercial (O°C to +70°C) Industrial (-40°C to +85°C) Automotive (-40°C to +125°C) Extended (-55°C to +125°C)
L
None IT* AT* XT*
256Kx4 SRAM
WITH SINGLE CHIP ENABLE, REVOLUTIONARY PINOUT
PIN ASSIGNMENT (Top View)
32-Pin SOJ (SO-5)
NC
A3 A2 Al AO
CE
DOl Vee Vss D02
WE
A17 A16 A15 A14
NC
9 10 11 12 13 14 15 16
A4 31 A5 30 A6 29 A7 28 AS
27 OE
26 D04 25 Vss.