X 8-bit. HM628128DI Datasheet

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HM628128DI Datasheet
Recommendation HM628128DI Datasheet
Part HM628128DI
Description 1 M SRAM (128-kword X 8-bit)
Feature HM628128DI; HM628128DI Series 1 M SRAM (128-kword × 8-bit) ADE-203-999A (Z) Preliminary Rev. 0.1 Jul. 8, 1999 D.
Manufacture Hitachi Semiconductor
Datasheet
Download HM628128DI Datasheet




Hitachi Semiconductor HM628128DI
HM628128DI Series
1 M SRAM (128-kword × 8-bit)
ADE-203-999A (Z)
Preliminary
Rev. 0.1
Jul. 8, 1999
Description
The Hitachi HM628128DI Series is 1-Mbit static RAM organized 131,072-kword × 8-bit. HM628128DI
Series has realized higher density, higher performance and low power consumption by employing Hi-CMOS
process technology. The HM628128DI 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.
Features
Single 5 V supply: 5 V ± 10%
Access time: 70 ns (max)
Power dissipation
Active: 30 mW/MHz (typ)
Standby: 10 µW (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
Temperature range: –40 to +85°C
Preliminary: The specification of this device are subject to change without notice. Please contact your
nearest Hitachi’s Sales Dept. regarding specification.



Hitachi Semiconductor HM628128DI
HM628128DI Series
Ordering Information
Type No.
HM628128DLPI-7
HM628128DLFPI-7
Access time
70 ns
70 ns
Package
600-mil 32-pin plastic DIP (DP-32)
525-mil 32-pin plastic SOP (FP-32D)
2



Hitachi Semiconductor HM628128DI
Pin Arrangement
32-pin DIP/SOP
NC 1
A16 2
A14 3
A12 4
A7 5
A6 6
A5 7
A4 8
A3 9
A2 10
A1 11
A0 12
I/O0 13
I/O1 14
I/O2 15
VSS 16
32 VCC
31 A15
30 CS2
29 WE
28 A13
27 A8
26 A9
25 A11
24 OE
23 A10
22 CS1
21 I/O7
20 I/O6
19 I/O5
18 I/O4
17 I/O3
(Top view)
Pin Description
Pin name
A0 to A16
I/O0 to I/O7
CS1
CS2
WE
OE
VCC
VSS
NC
Function
Address input
Data input/output
Chip select 1
Chip select 2
Write enable
Output enable
Power supply
Ground
No connection
HM628128DI Series
3







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