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LH5P864 Datasheet

  • LH5P864

  • CMOS 512K (64K x 8) Pseudo-Static RAM

  • 10頁

  • SHARP

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LH5P864
FEATURES
鈥?/div>
65,536
脳
8 bit organization
鈥?/div>
Access time: 80 ns (MAX.)
鈥?/div>
Cycle time: 140 ns (MIN.)
鈥?/div>
Single +5 V power supply
鈥?/div>
Power consumption:
Operating: 440 mW (MAX.)
Standby (TTL level): 22 mW (MAX.)
Standby (CMOS level): 2.75 mW (MAX.)
鈥?/div>
Operating temperature: 0 to 70擄C
鈥?/div>
TTL compatible I/O
鈥?/div>
512 refresh cycles/8 ms (MAX.)
鈥?/div>
Available for auto-refresh and
self-refresh modes
鈥?/div>
Package: 32-pin, 525-mil SOP
DESCRIPTION
The LH5P864 is a 512K-bit Pseudo-Static RAM or-
ganized as 65,536
脳
8 bits. It is fabricated using sili-
con-gate CMOS process technology. With its built-in
oscillator, it is easy to refresh memories without an
external clock.
CMOS 512K (64K
脳
8) Pseudo-Static RAM
PIN CONNECTIONS
32-PIN SOP
TOP VIEW
TEST
NC
A
14
A
12
A
7
A
6
A
5
A
4
A
3
A
2
A
1
A
0
I/O
0
I/O
1
I/O
2
GND
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
V
CC
NC
CE
2
R/W
A
13
A
8
A
9
A
11
OE/RFSH
A
10
CE
1
I/O
7
I/O
6
I/O
5
I/O
4
I/O
3
5P864-1
Figure 1. Pin Connections for SOP Package
1

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