LH530800AU 데이터 시트보기 (PDF) - Sharp Electronics
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LH530800AU Datasheet PDF : 6 Pages
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LH530800A
CMOS 1M Mask-Programmable ROM
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
CE 22
OE/OE 24
MEMORY
MATRIX
(131,072 x 8)
COLUMN SELECTOR
SENSE AMPLIFIER
CE
BUFFER
OE
BUFFER
TIMING
GENERATOR
OUTPUT BUFFER
32 16
VCC GND
13 14 15 17 18 19 20 21
D0 D1 D2 D3 D4 D5 D6 D7
Figure 3. LH530800A Block Diagram
530800A-2
PIN DESCRIPTION
SIGNAL
PIN NAME
NOTE
A0 - A16 Address input
D0 - D7 Data Output
CE
Chip enable input
1
OE/OE Output enable input
1
NOTE:
1. Active level of OE/OE is mask-programmable.
TRUTH TABLE
CE
OE/OE
H
X
L
L/H
L
H/L
NOTE:
1. X = H or L.
MODE
Non selected
Non selected
Selected
D0 - D7
High-Z
High-Z
DOUT
SIGNAL
VCC
GND
NC
PIN NAME
Power supply (+5 V)
Ground
No connection
SUPPLY CURRENT
Standby (ISB)
Operating (ICC)
Operating (ICC)
NOTE
1
NOTE
2
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