AMD27C256 Datasheet, PDF (3/12 Pages) Advanced Micro Devices – 256 Kilobit (32,768 x 8-Bit) CMOS EPROM

AMD
CONNECTION DIAGRAM
OE (G)
1
A11
2
A9
3
A8
4
A13
5
NC
6
A14
7
VCC
8
VPP
9
NC
10
A12
11
A7
12
A6
13
A5
14
A4
15
A3
16
TSOP*
*Contact local AMD sales office for package availability
Standard Pinout
PIN DESIGNATIONS
A0–A14 = Address Inputs
CE (E)
= Chip Enable
DQ0–DQ7 = Data Inputs/Outputs
OE (G)
= Output Enable Input
VCC
= VCC Supply Voltage
VPP
= Program Voltage Input
VSS
= Ground
DU
= Don’t Use
LOGIC SYMBOL
15
A0–A14
CE (E)
OE (G)
32
NC
31
A10
30
CE (E)
29
DQ7
28
DQ6
27
DQ5
26
DQ4
25
DQ3
24
VSS
23
DQ2
22
DQ1
21
DQ0
20
NC
19
A0
18
A1
17
A2
08007H-4
8
DQ0–DQ7
08007H-5
2-34
Am27C256