Speed SRAM. HM6207H Datasheet

HM6207H SRAM. Datasheet pdf. Equivalent

HM6207H Datasheet
Recommendation HM6207H Datasheet
Part HM6207H
Description 256K High Speed SRAM
Feature HM6207H; HM6207H Series 256 k High Speed SRAM (256-kword × 1-bit) Features • Single 5 V supply and high dens.
Manufacture Hitachi
Datasheet
Download HM6207H Datasheet





Hitachi HM6207H
HM6207H Series
256 k High Speed SRAM (256-kword × 1-bit)
Features
Single 5 V supply and high density 24-pin package
High speed
Access time: 25/35/45 ns (max)
Low power
Operation: 300 mW (typ)
Standby: 100 µW (typ)
30 µW (typ) (L-version)
Completely static memory required, no clock or timing strobe required
Equal access and cycle time
Directly TTL compatible, all inputs and outputs
Battery backup operation capability (L-version)
Ordering Information
Type No.
HM6207HP-25
HM6207HP-35
HM6207HP-45
HM6207HLP-25
HM6207HLP-35
HM6207HLP-45
HM6207HJP-25
HM6207HJP-35
HM6207HJP-45
HM6207HLJP-25
HM6207HLJP-35
HM6207HLJP-45
Access Time
25 ns
35 ns
45 ns
25 ns
35 ns
45 ns
25 ns
35 ns
45 ns
25 ns
35 ns
45 ns
Package
300-mil 24-pin plastic DIP (DP-24NC)
300-mil 24-pin SOJ (CP-24D)



Hitachi HM6207H
HM6207H Series
Pin Arrangement
A17
A0
A1
A2
A3
A4
A5
A6
A7
Dout
WE
VSS
1 24
2 23
3 22
4 21
5 20
6 19
7 18
8 17
9 16
10 15
11 14
12 13
(Top view)
VCC
A16
A15
A14
A13
A12
A11
A10
A9
A8
Din
CS
Pin Description
Pin Name
A0–AI7
Din
Dout
&6
:(
V
CC
V
SS
Function
Address
Data input
Data output
Chip select
Write enable
Power supply
Ground
2



Hitachi HM6207H
Block Diagram
A15
A16
A17
A0
A1
A2
A3
A4
Din
Row
decoder
HM6207H Series
Memory array
256 × 1024
Column I/O
Column decoder
VCC
VSS
Dout
CS A9 A14 A13A12A11 A10 A8 A7 A6 A5
WE
Function Table
&6 :( Mode
H × Not selected
L H Read
L L Write
Note: × = Don’t care.
V Current I/O Pin
CC
ISB, ISB1
High-Z
lCC Dout
ICC High-Z
Ref. Cycle
Read cycle
Write cycle
Absolute Maximum Ratings
Parameter
Symbol
Voltage on any pin relative to V
SS
Power dissipation
Operating temperature range
Vin
PT
Topr
Storage temperature range
Tstg
Storage temperature range under bias Tbias
Note: 1. Vin min = –2.5 V for pulse width < 10 ns.
Value
–0.5*1 to +7.0
1.0
0 to +70
–55 to +125
–10 to +85
Unit
V
W
°C
°C
°C
3





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