PRODUCT SELECTOR GUIDE
Family Part Number
Am27C64
V
V
= 5.0 V ± 5%
= 5.0 V ± 10%
-255
CC
Speed Options
-45
45
45
30
-55
55
55
35
-70
70
70
40
-90
-120
120
120
50
-150
150
150
50
-200
200
200
50
CC
Max Access Time (ns)
CE# (E#) Access (ns)
OE# (G#) Access (ns)
90
90
40
250
250
50
CONNECTION DIAGRAMS
Top View
DIP
PLCC
1
28
27
26
25
24
23
22
21
20
19
18
17
16
15
VCC
VPP
A12
A7
2
PGM# (P#)
NC
3
4
3 2 1 32 31 30
A8
A6
4
A6
5
6
A8
A9
29
28
A5
A9
5
A5
A4
A11
6
A4
A3
7
A11
27
26
25
24
23
22
21
8
NC
A3
OE# (G#)
A10
7
A2
9
OE# (G#)
A10
A2
8
A1
10
11
12
13
A1
CE# (E#)
DQ7
9
A0
CE# (E#)
DQ7
A0
10
11
12
13
14
NC
DQ0
DQ0
DQ6
DQ6
DQ1
DQ2
VSS
DQ5
DQ4
DQ3
16 17
19 20
18
15
14
11419E-3
11419E-2
Notes:
1. JEDEC nomenclature is in parenthesis.
2. Don’t use (DU) for PLCC.
PIN DESIGNATIONS
LOGIC SYMBOL
A0–A12
= Address Inputs
CE# (E#)
= Chip Enable Input
13
DQ0–DQ7 = Data Input/Outputs
OE# (G#) = Output Enable Input
PGM# (P#) = Program Enable Input
8
A0–A12
DQ0–DQ7
CE# (E#)
VCC
VPP
VSS
NC
= VCC Supply Voltage
= Program Voltage Input
= Ground
PMG# (P#)
OE# (G#)
11419E-4
= No Internal Connection
2
Am27C64