PRODUCT SELECTOR GUIDE
Family Part Number
Am27C020
V
V
= 5.0 V ± 5%
= 5.0 V ± 10%
-55
55
55
55
35
-75
-70
70
-255
CC
Speed Options
-90
90
90
40
-120
120
120
50
-150
150
150
65
-200
200
200
75
CC
Max Access Time (ns)
CE# (E#) Access (ns)
OE# (G#) Access (ns)
250
250
100
70
40
CONNECTION DIAGRAMS
Top View
DIP
PLCC
1
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
VCC
VPP
A16
A15
A12
A7
2
PGM# (P#)
A17
3
4
3
2
1 32 31 30
4
A14
A7
A6
5
6
A14
29
5
A13
A13
28
A6
6
A8
A5
A4
A3
A2
A1
A0
7
A8
27
26
25
24
23
22
21
A5
7
A9
8
A9
A4
8
A11
9
A11
A3
9
OE# (G#)
A10
10
11
12
13
OE# (G#)
A10
A2
10
11
12
13
14
15
16
A1
CE# (E#)
DQ7
CE# (E#)
DQ7
A0
DQ0
DQ0
DQ6
16 17
19 20
18
15
14
DQ1
DQ2
VSS
DQ5
DQ4
DQ3
11507H-3
11507H-2
Notes:
1. JEDEC nomenclature is in parenthesis.
2. The 32-pin DIP to 32-pin PLCC configuration varies from the JEDEC 28-pin DIP to 32-pin PLCC configuration.
PIN DESIGNATIONS
LOGIC SYMBOL
A0–A17
= Address Inputs
CE# (E#)
= Chip Enable Input
18
DQ0–DQ7 = Data Input/Outputs
OE# (G#) = Output Enable Input
PGM# (P#) = Program Enable Input
8
A0–A17
DQ0–DQ7
CE# (E#)
PGM# (P#)
OE# (G#)
VCC
VPP
VSS
= VCC Supply Voltage
= Program Voltage Input
= Ground
11507H-4
2
Am27C020