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AM27C256-90PI Scheda tecnica(PDF) 2 Page - Advanced Micro Devices

Il numero della parte AM27C256-90PI
Spiegazioni elettronici  256 Kilobit (32 K x 8-Bit) CMOS EPRO
Download  12 Pages
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Produttore elettronici  AMD [Advanced Micro Devices]
Homepage  http://www.amd.com
Logo AMD - Advanced Micro Devices

AM27C256-90PI Scheda tecnica(HTML) 2 Page - Advanced Micro Devices

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Am27C256
PRODUCT SELECTOR GUIDE
CONNECTION DIAGRAMS
Top View
DIP
PLCC
Notes:
1. JEDEC nomenclature is in parenthesis.
2. Don’t use (DU) for PLCC.
PIN DESIGNATIONS
A0–A14
= Address Inputs
CE# (E#)
= Chip Enable Input
DQ0–DQ7
= Data Input/Outputs
OE# (G#)
= Output Enable Input
VCC
=VCC Supply Voltage
VPP
= Program Voltage Input
VSS
= Ground
NC
= No Internal Connection
LOGIC SYMBOL
Family Part Number
Am27C256
Speed Options
VCC = 5.0 V ± 5%
-255
VCC = 5.0 V ± 10%
-45
-55
-70
-90
-120
-150
-200
Max Access Time (ns)
45
55
70
90
120
150
200
250
CE# (E#) Access (ns)
45
55
70
90
120
150
200
250
OE# (G#) Access (ns)
30
35
40
40
50
50
50
50
3
4
5
2
1
9
10
11
12
13
23
22
21
20
19
7
8
18
17
6
28
27
16
14
26
25
24
15
A6
A5
A4
A3
A2
A1
A0
DQ0
A7
DQ1
DQ2
VSS
A8
A9
A11
OE# (G#)
A10
CE# (E#)
DQ7
VCC
A14
DQ6
A13
DQ5
DQ4
DQ3
VPP
A12
08007I-2
131 30
2
3
4
5
6
7
8
9
10
11
12
13
17 18 19 20
16
15
14
29
28
27
26
25
24
23
22
21
32
A6
A5
A4
A3
A2
A1
A0
NC
DQ0
A8
A9
A11
NC
OE# (G#)
A10
CE# (E#)
DQ7
DQ6
08007I-3
15
8
DQ0–DQ7
A0–A14
CE# (E#)
OE# (G#)
08007I-4


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