UT6264C
UT6264C is 8K X 8 BIT LOW POWER CMOS SRAM manufactured by Unknown Manufacturer.
FEATURES
Access time : 35/70ns (max.) Low power consumption : Operating : 45/30 m A (typ.) CMOS Standby : 2m A (typ.) normal 2 µA (typ.) L-version 1 µA (typ.) LL-version Single 4.5V~5.5V power supply Operating temperature : mercial : 0℃~70℃ All inputs and outputs TTL patible Fully static operation Three state outputs Data retention voltage : 2V (min.) Package : 28-pin 600 mil PDIP 28-pin 330 mil SOP
8K X 8 BIT LOW POWER CMOS SRAM
The UT6264C is a 65,536-bit low power CMOS static random access memory organized as 8,192 words by 8 bits. It is fabricated using high performance, high reliability CMOS technology. Easy memory expansion is provided by using two chip enable input.( CE 1 ,CE2) ,and supports low data retention voltage for battery back-up operation with low data retention current. The UT6264C operates from a single 4.5V~5.5V power supply and all inputs and outputs are fully TTL patible.
PIN CONFIGURATION
NC A12 A7 1 2 3 4 28 27 26 25 Vcc
FUNCTIONAL BLOCK DIAGRAM
A0-A12 DECODER 8K × 8 MEMORY ARRAY
CE2 A8 A9 A11
A6 A5 A4
5 6 7 8 9 10 11 12 13 14
24 23 22 21 20 19 18 17 16 15
Vcc Vss
A3 A2 A1
A10
CE1
I/O1-I/O8
I/O DATA CIRCUIT
COLUMN I/O
A0 I/O1 I/O2 I/O3 Vss
I/O8 I/O7 I/O6 I/O5 I/O4
CE1 CE2
OE WE
CONTROL CIRCUIT
PDIP/SOP
PIN DESCRIPTION
SYMBOL A0
- A12 I/O1
- I/O8 CE1 ,CE2 WE OE VCC VSS NC DESCRIPTION
Address Inputs Data Inputs/Outputs Chip Enable Inputs Write Enable Input Output Enable Input Power Supply Ground No connection
GENERAL DESCRIPTION
UTRON TECHNOLOGY INC. 1F, No. 11, R&D Rd. II, Science-Based Industrial Park, Hsinchu, Taiwan, R. O. C. TEL: 886-3-5777882 FAX: 886-3-5777919 P80028
UTRON
Rev. 1.1 ABSOLUTE MAXIMUM RATINGS-
PARAMETER Terminal Voltage with Respect to VSS Operating Temperature mercial Storage Temperature Power Dissipation DC Output Current Soldering Temperature (under 10 sec) SYMBOL VTERM TA TSTG PD IOUT Tsolder RATING -0.5 to +7.0 0 to +70 -65 to +150 1 50 260
8K X 8 BIT LOW POWER...