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UTRON
Rev. 1.2
FEATURES
Fast access time : 8/10/12/15 ns (max.) Low operating power consumption : 80 mA (typical) Single 5V power supply All inputs and outputs TTL compatible Fully static operation Three state outputs Package : 28-pin 300 mil SOJ
28-pin 8mm×13.4mm STSOP
FUNCTIONAL BLOCK DIAGRAM
A0-A14
Vcc Vss
DECODER
32K × 8 MEMORY
ARRAY
I/O1-I/O8
I/O DATA CIRCUIT
COLUMN I/O
CE OE
CONTROL CIRCUIT
WE
PIN DESCRIPTION
SYMBOL A0 - A14 I/O1 - I/O8
CE
WE
OE VCC VSS
DESCRIPTION Address Inputs Data Inputs/Outputs Chip Enable Input
Write Enable Input
Output Enable Input
Power Supply Ground
UT61256C
32K X 8 BIT HIGH SPEED CMOS SRAM
The UT61256C is a 262,144-bit high-speed CMOS static random access memory organized as 32,768 words by 8 bits.