AM27C256-120DCB AMD [Advanced Micro Devices], AM27C256-120DCB Datasheet - Page 2

• Manufacturer Part Number: AM27C256-120DCB
• Description: 256 Kilobit (32 K x 8-Bit) CMOS EPRO
• Manufacturer: AMD [Advanced Micro Devices]

PRODUCT SELECTOR GUIDE
CONNECTION DIAGRAMS
Top View
Notes:
1. JEDEC nomenclature is in parenthesis.
2. Don’t use (DU) for PLCC.
PIN DESIGNATIONS
A0–A14
CE# (E#)
DQ0–DQ7
OE# (G#)
V
V
V
NC
2
Family Part Number
Speed Options
Max Access Time (ns)
CE# (E#) Access (ns)
OE# (G#) Access (ns)
CC
PP
SS
DQ0
DQ1
DQ2
A12
V
V
= Address Inputs
= Chip Enable Input
= Data Input/Outputs
= Output Enable Input
= V
= Program Voltage Input
= Ground
= No Internal Connection
A7
A6
A5
A4
A3
A2
A1
A0
SS
PP
CC
V
V
CC
CC
1
2
3
4
5
6
7
8
9
10
11
12
13
14
Supply Voltage
= 5.0 V
= 5.0 V
DIP
5%
10%
28
27
26
25
24
23
22
21
20
19
18
17
16
15
V
A14
A13
A8
A9
A11
OE# (G#)
A10
CE# (E#)
DQ7
DQ6
DQ5
DQ4
DQ3
CC
-45
45
45
30
08007I-2
-55
55
55
35
Am27C256
-70
70
70
40
LOGIC SYMBOL
DQ0
NC
A5
A3
A2
A1
A6
A4
A0
15
-90
90
90
40
Am27C256
5
6
8
9
10
7
11
12
13
A0–A14
CE# (E#)
OE# (G#)
14
4
-120
120
120
50
15
3
16
PLCC
2
17 18 19 20
1
-150
150
150
DQ0–DQ7
50
32
31 30
-200
200
200
50
28
26
25
24
29
27
23
22
21
8
A8
A9
A11
NC
OE# (G#)
A10
CE# (E#)
DQ7
DQ6
08007I-4
08007I-3
-255
250
250
50