LH5P1632 データシートの表示（PDF） - Sharp Electronics
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LH5P1632 Datasheet PDF : 10 Pages
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LH5P1632
CMOS 512K (32K × 16) Pseudo-Static RAM
A0 11
A1 10
A2 9
A3 8
A4 7
A5 6
A6 5
A7 4
A8 3
A9 2
A10 37
A11 36
A12 35
A13 34
A14 33
A8 - A14 COLUMN
ADDRESS
BUFFER
A0 - A7
ROW
ADDRESS
BUFFER
REFRESH
ADDRESS
COUNTER
EXT/INT
ADDRESS
MUX
COLUMN
DECODER
SENSE
AMPS
ROW
DECODER
MEMORY
ARRAY
CE 30
CLOCK
GENERATOR
REFRESH
CONTROLLER
VBB GENERATOR
I/O
SELECTOR
DATA
IN
BUFFER
DATA
OUT
BUFFER
DATA
IN
BUFFER
DATA
OUT
BUFFER
21 VCC
20 GND
40 VCC
1 GND
12 I/O1
13 I/O2
14 I/O3
15 I/O4
16 I/O5
17 I/O6
18 I/O7
19 I/O8
22 I/O9
23 I/O10
24 I/O11
25 I/O12
26 I/O13
27 I/O14
28 I/O15
29 I/O16
LOE/ 31
RFSH
UOE/
TEST1
32
LWR 38
LWR 39
Figure 2. LH5P1632 Block Diagram
PIN DESCRIPTION
SIGNAL
A0 – A14
LWR, UWR
LOE/RFSH, UOE
CE
PIN NAME
Address input
Write enable
Output enable/Refresh input
Chip enable input
SIGNAL
I/O1 – I/O16
VCC
GND
PIN NAME
Data input/output
Power Supply
Ground
5P1632-2
2
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