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AT27BV040 Datasheet(PDF) 2 Page - ATMEL Corporation

Part No. AT27BV040
Description  4 Megabit 512K x 8 Unregulated Battery-Voltage High Speed OTP CMOS EPROM
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Maker  ATMEL [ATMEL Corporation]
Homepage  http://www.atmel.com
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AT27BV040 Datasheet(HTML) 2 Page - ATMEL Corporation

   
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2
0346G–EPROM–12/07
AT27BV040
Atmel’s AT27BV040 has additional features to ensure high quality and efficient production use.
The Rapid Programming Algorithm reduces the time required to program the part and guaran-
tees reliable programming. Programming time is typically only 100 µs/byte. The Integrated
Product Identification Code electronically identifies the device and manufacturer. This feature is
used by industry-standard programming equipment to select the proper programming algorithms
and voltages. The AT27BV040 programs exactly the same way as a standard 5V AT27C040
and uses the same programming equipment.
2.
Pin Configurations
2.1
32-lead PLCC Top View
2.2
32-lead TSOP, VSOP Top View – Type 1
Pin Name
Function
A0 - A18
Addresses
O0 - O7
Outputs
CE
Chip Enable
OE
Output Enable
5
6
7
8
9
10
11
12
13
29
28
27
26
25
24
23
22
21
A7
A6
A5
A4
A3
A2
A1
A0
O0
A14
A13
A8
A9
A11
OE
A10
CE
O7
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
A11
A9
A8
A13
A14
A17
A18
VCC
VPP
A16
A15
A12
A7
A6
A5
A4
OE
A10
CE
O7
O6
O5
O4
O3
GND
O2
O1
O0
A0
A1
A2
A3


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