MBM27C256A ETC, MBM27C256A Datasheet
MBM27C256A
Manufacturer Part Number
MBM27C256A
Description
CMOS 256K UV EPROM
Manufacturer
ETC
Datasheet
1.MBM27C256A.pdf
(2 pages)
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Quantity
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MBM27C256A
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www.DataSheet4U.com
D0
D1
D2
C-MOS 256 K (32 K x 8)-BIT UV ERASABLE PROM WITH 3-STATE OUTPUTS
—TOP VIEW—
A0 - A14
CE
D0 - D7
OE
V
A12
PP
A7
A6
A5
A4
A3
A2
A1
A0
OUT
OUT
OUT
IN
IN
IN
IN
IN
IN
IN
IN
IN
10
11
12
13
14
1
2
3
4
5
6
7
8
9
: ADDRESS INPUTS
: CHIP ENABLE INPUT
: DATA OUTPUTS
: OUTPUT ENABLE INPUT
: PROGRAM POWER SUPPLY
V
GND
PP
V
DD
28
27
26
25
24
23
22
21
20
19
18
17
16
15
A14 IN
A13 IN
A8
A9
A11
OE
A10
CE
D7
D6
D5
D4
D3
IN
IN
OUT
OUT
OUT
OUT
OUT
IN
IN
IN
IN
A14
A13
A12
A11
A10
OE
CE
A9
A8
A7
A6
A5
A4
A3
A2
A1
A0
20
22
27
26
2
23
21
24
25
3
4
5
6
7
8
9
10
10
25
24
21
23
26
27
9
8
7
6
5
4
3
2
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
DECODER
DECODER
COLUMN
CE, OE
20
LOGIC
ROW
CE
22
OE
D0
D1
D2
D3
D4
D5
D6
D7
11
12
13
15
16
17
18
19
OUTPUT BUFFER
COLUMN GATE
CELL MATRIX
262,144-BIT
MBM27C256A(1/2)
IL00
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MBM27C256A Summary of contents
Page 1
... D5 OUT OUT OUT DECODER MBM27C256A(1/2) IL00 ROW 262,144-BIT CELL MATRIX COLUMN COLUMN GATE OUTPUT BUFFER CE, OE LOGIC ...
Page 2
... PGM VERIFY (2) HI-Z ELECTRONIC SIGNATURE * DEVICE CODE * SEE FOLLOWING DESCRIPTION A14, Vpp 1 CODE DATA FUNCTION READ STANDBY PGM 0 : LOW LEVEL 1 : HIGH LEVEL PGM INH x : DON’T CARE HI-Z : HIGH IMPEDANCE D0 0 04H 62H MBM27C256A (2/2) ...