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Número de pieza | LH5P864 | |
Descripción | CMOS 512K (64K x 8) Pseudo-Static RAM | |
Fabricantes | Sharp Electrionic Components | |
Logotipo | ||
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No Preview Available ! LH5P864
CMOS 512K (64K × 8) Pseudo-Static RAM
FEATURES
• 65,536 × 8 bit organization
• Access time: 80 ns (MAX.)
• Cycle time: 140 ns (MIN.)
• Single +5 V power supply
• Power consumption:
Operating: 440 mW (MAX.)
Standby (TTL level): 22 mW (MAX.)
Standby (CMOS level): 2.75 mW (MAX.)
• Operating temperature: 0 to 70°C
• TTL compatible I/O
• 512 refresh cycles/8 ms (MAX.)
• Available for auto-refresh and
self-refresh modes
• Package: 32-pin, 525-mil SOP
DESCRIPTION
The LH5P864 is a 512K-bit Pseudo-Static RAM or-
ganized as 65,536 × 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.
PIN CONNECTIONS
32-PIN SOP
TOP VIEW
TEST
NC
A14
A12
A7
A6
A5
A4
A3
A2
A1
A0
I/O0
I/O1
I/O2
GND
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
32 VCC
31 NC
30 CE2
29 R/W
28 A13
27 A8
26 A9
25 A11
24 OE/RFSH
23 A10
22 CE1
21 I/O7
20 I/O6
19 I/O5
18 I/O4
17 I/O3
5P864-1
Figure 1. Pin Connections for SOP Package
1
1 page CMOS 512K (64K × 8) Pseudo-Static RAM
CE1 VIH
(OR CE2) VIL
CE2 VIH
(OR CE1) VIL
A0 - A14
VIH
VIL
OE/RFSH
VIH
VIL
VIH
R/W VIL
I/O0 - I/O7
VOH
VOL
tRC
tP tCE
tP
tAS tAH
ADDRESS INPUT
tOEH
tOEL
tOES
tRCS
tRCH
tOEA
tCEA
tOLZ
tCLZ
tCHZ
tOHZ
VALID-DATA OUTPUT
Figure 4. Read Cycle
LH5P864
5P864-4
5
5 Page |
Páginas | Total 10 Páginas | |
PDF Descargar | [ Datasheet LH5P864.PDF ] |
Número de pieza | Descripción | Fabricantes |
LH5P860 | CMOS 512K (64K x 8) Pseudo-Static RAM | Sharp Electrionic Components |
LH5P864 | CMOS 512K (64K x 8) Pseudo-Static RAM | Sharp Electrionic Components |
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