SD18U128 Datasheet PDF (Ultra Low Power 128K x 8 CMOS SRAM)

General Description

The SD18U128 is a low power CMOS Static RAM organized as 131,072 words by 8 bits.

Easy memory expansion is provided by an active LOW CE1, an active HIGH CE2, an active LOW OE, and Tri-state I/O’s.

This device has an automatic power-down mode feature when deselected.

SD18U128 SD18U128L Ultra Low Power 128K x 8 CMOS SRAM.

Low-power consumption - Active: 20mA at 70ns - Stand-by: 5 µA (CMOS input/output) 1 µA CMOS input/output, L version.
Single +1.8to 2.2V Power Supply.
Equal access and cycle time.
70/85/100/150 ns access time.
Easy memory expansion with CE1, CE2 and OE inputs.
1.0V data retention mode.
TTL compatible, Tri-state input/output.
Automatic power-down when deselected Functional.