HM628128D

Features:

·  Single 5 V supply: 5 V ± 10%
·  Access time: 55 ns/70 ns (max)
·  Power dissipation
     - Active: 30 mW/MHz (typ)
     - Standby: 10 mW (typ)
·  Completely static memory.
     - No clock or timing strobe required
·  Equal access and cycle times
·  Common data input and output
     - Three state output
·  Directly TTL compatible all inputs
·  Battery backup operation
     - 2 chip selection for battery backup


Pinout




Specifications

Parameter	Symbol	Value	Unit
Supply voltage relative to VSS	VCC	0.5 to +7.0	V
Voltage on any pin relative to VSS	VT	0.5*1 to VCC+0.3*2	V
Power dissipation	PT	1.0	W
Storage temperature range	Tstg	55 to +125
Storage temperature range under bias	Tbias	20 to +85

Description

The Hitachi HM628128D Series is 1-Mbit static RAM organized 131,072-kword ´ 8-bit. HM628128D Series has realized higher density, higher performance and low power consumption by employing Hi- CMOS process technology. The HM628128D Series offers low power standby power dissipation; therefore, it is suitable for battery backup systems. It has package variations of standard 32-pin plastic DIP, standard 32-pin plastic SOP and standard 32-pin plastic TSOPI.