LH531V00D 데이터 시트보기 (PDF) - Sharp Electronics
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LH531V00D Datasheet PDF : 6 Pages
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LH531V00
CMOS 1M MROM
A16 2
A15 3
A14 29
A13 28
A12 4
A11 25
A10 23
A9 26
A8 27
A7 5
A6 6
A5 7
A4 8
A3 9
A2 10
A1 11
A0 12
MEMORY
MATRIX
(131,072 x 8)
COLUMN SELECTOR
SENSE AMPLIFIER
CE 22
CE
BUFFER
TIMING
GENERATOR
OE 24
OE1/OE1/DC 1
OE
BUFFER
32 16
VCC GND
NOTE: Pin numbers apply to the 32-pin DIP or SOP.
OUTPUT BUFFER
13 14 15 17 18 19 20 21
D0 D1 D2 D3 D4 D5 D6 D7
Figure 3. LH531V00 Block Diagram
531V00-3
PIN DESCRIPTION
SIGNAL
A0 – A16
D0 – D7
CE
OE
PIN NAME
Address input
Data output
Chip Enable input
Output Enable input
NOTE
SIGNAL
OE1/OE1/DC
VCC
GND
PIN NAME
Output Enable input
Power supply (+5 V)
Ground
NOTE:
1. Active level of OE1/OE1/DC is mask-programmable. When DC is selected out of OE1/OE1/DC, it is fixed to an active level.
Then it is recommended to apply either HIGH or LOW to the DC pin.
NOTE
1
2
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