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Hitachi Power Semiconductor Device Electronic Components Datasheet

HM658512A Datasheet

4 M PSRAM (512-kword x 8-bit) 2 k Refresh

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HM658512A Series
4 M PSRAM (512-kword × 8-bit)
2 k Refresh
ADE-203-218C(Z)
Rev. 3.0
Nov. 1997
Description
The Hitachi HM658512A is a CMOS pseudo static RAM organized 512-kword × 8-bit. It realizes higher
density, higher performance and low power consumption by employing 0.8 µm Hi-CMOS process
technology.
It offers low power data retention by self refresh mode. It also offers easy non multiplexed address
interface and easy refresh functions. HM658512A is suitable for handy systems which work with battery
back-up systems.
The device is packaged in a small 525-mil SOP (460-mil body SOP) or a 8 × 20 mm TSOP with thickness
of 1.2 mm, or a 600-mil plastic DIP. High density custom cards made of Tape Carrier Packages are also
available.
Features
Single 5 V (±10%)
High speed
Access time
CE access time: 70/80/100 ns (max)
Cycle time
Random read/write cycle time:
115/130/160 ns (min)
Low power
Active: 250 mW (typ)
Standby: 200 µW (typ)
Directly TTL compatible
All inputs and outputs
Simple address configuration
Non multiplexed address
Refresh cycle
2048 refresh cycles: 32 ms


Hitachi Power Semiconductor Device Electronic Components Datasheet

HM658512A Datasheet

4 M PSRAM (512-kword x 8-bit) 2 k Refresh

No Preview Available !

HM658512A Series
Easy refresh functions
Address refresh
Automatic refresh
Self refresh
Ordering Information
Type No.
HM658512ALP-7
HM658512ALP-8
HM658512ALP-10
HM658512ALP-7V
HM658512ALP-8V
HM658512ALP-10V
HM658512ALFP-7
HM658512ALFP-8
HM658512ALFP-10
HM658512ALFP-7V
HM658512ALFP-8V
HM658512ALFP-10V
HM658512ALTT-7
HM658512ALTT-8
HM658512ALTT-10
HM658512ALTT-7V
HM658512ALTT-8V
HM658512ALTT-10V
HM658512ALRR-7
HM658512ALRR-8
HM658512ALRR-10
HM658512ALRR-7V
HM658512ALRR-8V
HM658512ALRR-10V
Access time
70 ns
80 ns
100 ns
70 ns
80 ns
100 ns
70 ns
80 ns
100 ns
70 ns
80 ns
100 ns
70 ns
80 ns
100 ns
70 ns
80 ns
100 ns
70 ns
80 ns
100 ns
70 ns
80 ns
100 ns
Package
600-mil 32-pin plastic DIP (DP-32)
525-mil 32-pin plastic SOP (FP-32D)
400-mil 32-pin plastic TSOP (TTP-32D)
400-mil 32-pin plastic TSOP (TTP-32DR)
2


Part Number HM658512A
Description 4 M PSRAM (512-kword x 8-bit) 2 k Refresh
Maker Hitachi Semiconductor
Total Page 22 Pages
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