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AT27C256R-70RA Datasheet(PDF) 2 Page - ATMEL Corporation

Part # AT27C256R-70RA
Description  256K (32K x 8) OTP EPROM
Download  15 Pages
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Manufacturer  ATMEL [ATMEL Corporation]
Direct Link  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

AT27C256R-70RA Datasheet(HTML) 2 Page - ATMEL Corporation

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2
0014M–EPROM–12/07
AT27C256R
2.1
28-lead PDIP/SOIC Top View
2.2
32-lead PLCC Top View
Note:
PLCC Package Pins 1 and 17 are Don’t Connect.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28
27
26
25
24
23
22
21
20
19
18
17
16
15
VPP
A12
A7
A6
A5
A4
A3
A2
A1
A0
O0
O1
O2
GND
VCC
A14
A13
A8
A9
A11
OE
A10
CE
O7
O6
O5
O4
O3
5
6
7
8
9
10
11
12
13
29
28
27
26
25
24
23
22
21
A6
A5
A4
A3
A2
A1
A0
NC
O0
A8
A9
A11
NC
OE
A10
CE
O7
O6
2.3
28-lead TSOP Top View – Type 1
8
9
10
11
12
13
14
28
27
26
25
24
23
22
21
20
19
18
17
16
15
VPP
A12
A7
A6
A5
A4
A3
A10
CE
O7
O6
O5
O4
O3
GND
O2
O1
O0
A0
A1
A2
OE
A11
A9
A8
A13
A14
VCC
1
2
3
4
5
6
7
2.
Pin Configurations
Pin Name
Function
A0 - A14
Addresses
O0 - O7
Outputs
CE
Chip Enable
OE
Output Enable
NC
No Connect


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