# TM Technology Inc. T15M256B 32K x 8 Low Power CMOS Static RAM

## Features

️· High speed access time: 50/70/85/100ns
️· Low power consumption:
- Operating: 35mA (max)
- Standby: 10uA
️· Power supply: 5V (± 10%)
️· Fully static operation - no clock or refreshing needed
️· LVTTL compatible inputs/outputs
️· Common I/O capability
️· Data retention voltage: 1.5V (min)
️· Available packages: 28-pin DIP, SOJ, SOP, TSOP-I (forward and reverse)
️· Operating temperature: 0 ~ +70 °C or -40 ~ +85 °C

## General Description

The T15M256B is a 32,768 x 8 bit static RAM operating from a single 5V supply. It features low power consumption and guarantees data retention at 1.5V.

## Pin Configuration

️· A0-A14: Address Inputs
️· I/O1-I/O8: Data Inputs/Outputs
️· CS: Chip Select Input
️· WE: Write Enable Input
️· OE: Output Enable Input
️· Vcc: Power Supply
️· Vss: Ground

## Absolute Maximum Ratings

️· Supply Voltage: -0.5 to +7V
️· Input Voltage: -0.5 to Vcc + 0.5V
️· Power Dissipation: 0.7W
️· Storage Temperature: -60 to +150 °C

## Operating Conditions

️· Vcc: 4.5 to 5.5V
️· Ambient Temperature: 0/-40 to +70/+85 °C

## Timing Characteristics

️· Read Cycle Time (tRC): varies based on speed grade (50ns-100ns)
️· Write Cycle Time (tWC): varies based on speed grade (50ns-100ns)

## Package Dimensions

Available in multiple packages:

️· 28-pin DIP (600 mil)
️· 28-pin SOJ (300 mil)
️· 28-pin SOP
️· 28-pin TSOP-I (8x13.4mm)