HM658512ALTT-7V Datasheet PDF - Hitachi Semiconductor
| Part Number | HM658512ALTT-7V | |
| Description | 4 M PSRAM (512-kword x 8-bit) 2 k Refresh | |
| Manufacturers | Hitachi Semiconductor | |
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There is a preview and HM658512ALTT-7V download ( pdf file ) link at the bottom of this page. Total 22 Pages | ||
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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
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Block Diagram
A0
A10
I/O 0
I/O 7
CE
OE/RFSH
WE
HM658512A Series
Address
Latch
Control
Row
Decoder
Memory Matrix
(2048 × 256) × 8
Input
Data
Control
Column I/O
Column Decoder
Address Latch Control
Refresh
Control
Timing Pulse Gen.
Read Write Control
A11
A18
5
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Part DetailsOn this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for HM658512ALTT-7V electronic component. |
| Information | Total 22 Pages | |
| Link URL | [ Copy URL to Clipboard ] | |
| Download | [ HM658512ALTT-7V.PDF Datasheet ] | |
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Featured Datasheets
| Part Number | Description | MFRS |
| HM658512ALTT-7 | The function is 4 M PSRAM (512-kword x 8-bit) 2 k Refresh. Hitachi Semiconductor | |
| HM658512ALTT-7V | The function is 4 M PSRAM (512-kword x 8-bit) 2 k Refresh. Hitachi Semiconductor | |
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