x 8-bit. HM628512BFP Datasheet

HM628512BFP 8-bit. Datasheet pdf. Equivalent

HM628512BFP Datasheet
Recommendation HM628512BFP Datasheet
Part HM628512BFP
Description 4 M SRAM (512-kword x 8-bit)
Feature HM628512BFP; HM628512BFP Series 4 M SRAM (512-kword × 8-bit) ADE-203-1078B (Z) Rev. 2.0 Nov. 23, 1999 Descriptio.
Manufacture Hitachi Semiconductor
Datasheet
Download HM628512BFP Datasheet




Hitachi Semiconductor HM628512BFP
HM628512BFP Series
4 M SRAM (512-kword × 8-bit)
ADE-203-1078B (Z)
Rev. 2.0
Nov. 23, 1999
Description
The Hitachi HM628512BFP is a 4-Mbit static RAM organized 512-kword × 8-bit. It realizes higher density,
higher performance and low power consumption by employing Hi-CMOS process technology. It is packaged
in standard 32-pin SOP.
Features
Single 5 V supply
Access time: 55/70 ns (max)
Power dissipation
Active: 50 mW/MHz (typ)
Standby: 2 mW (max)
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 and outputs
Ordering Information
Type No.
HM628512BFP-5
HM628512BFP-7
Access time
55 ns
70 ns
Package
525-mil 32-pin plastic SOP (FP-32D)



Hitachi Semiconductor HM628512BFP
HM628512BFP Series
Pin Arrangement
32-pin SOP
A18
A16
A14
A12
A7
A6
A5
A4
A3
A2
A1
A0
I/O0
I/O1
I/O2
VSS
1 32
2 31
3 30
4 29
5 28
6 27
7 26
8 25
9 24
10 23
11 22
12 21
13 20
14 19
15 18
16 17
(Top view)
VCC
A15
A17
WE
A13
A8
A9
A11
OE
A10
CS
I/O7
I/O6
I/O5
I/O4
I/O3
Pin Description
Pin name
A0 to A18
I/O0 to I/O7
CS
OE
WE
VCC
VSS
Function
Address input
Data input/output
Chip select
Output enable
Write enable
Power supply
Ground
2



Hitachi Semiconductor HM628512BFP
Block Diagram
A18
A16
A1
A0
A2
A12
A14
A3
A7
A6
I/O0
I/O7
CS
WE
OE
HM628512BFP Series
Row
Decoder
Memory Matrix
1,024 × 4,096
V CC
V SS
Input
Data
Control
Column I/O
Column Decoder
A13 A17A15A8 A9 A11A10A4 A5
••
Timing Pulse Generator
Read/Write Control
3







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