Part Number : K6T4008U1C-GB10
Function : 512Kx8 bit Low Power and Low Voltage CMOS Static RAM
Package : SOP, TSOP 32 Pin Type
Maker : Samsung
Pinouts : 
Description :
The K6T4008V1C and K6T4008U1C, K6T4008U1C-GB10 families are fabricated by SAMSUNG¢s advanced CMOS process technology. The families support various operating temperature range and have various package type for user flexibility of system design. The families also support low data retention voltage for battery back-up operation with low data retention current.
Block Diagram
Features
1. Process Technology: TFT
2. Organization: 512K x 8
3. Power Supply Voltage
(1) K6T4008V1C Family : 3.0~3.6V
(2) K6T4008U1C Family : 2.7~3.3V
4. Low Data Retention Voltage: 2V(Min)
5. Three state output and TTL Compatible
Datasheet PDF Download : 
Others datasheet of same file :
K6T4008U1C-B, K6T4008U1C-F, K6T4008U1CGB10,
K6T4008U1C-GB70, K6T4008U1C-GB85