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27C040 PDF预览

27C040

更新时间: 2022-12-09 08:49:38
品牌 Logo 应用领域
爱特美尔 - ATMEL 可编程只读存储器电动程控只读存储器
页数 文件大小 规格书
13页 190K
描述
4-Megabit 512K x 8 OTP EPROM

27C040 数据手册

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Features  
Fast Read Access Time – 70 ns  
Low Power CMOS Operation  
– 100 µA Max Standby  
– 30 mA Max Active at 5 MHz  
JEDEC Standard Packages  
– 32-lead, 600-mil PDIP  
– 32-lead PLCC  
– 32-lead TSOP  
5V ±10% Supply  
High Reliability CMOS Technology  
4-Megabit  
(512K x 8)  
OTP EPROM  
– 2000V ESD Protection  
– 200 mA Latchup Immunity  
Rapid™ Programming Algorithm – 100 µs/Byte (Typical)  
CMOS and TTL Compatible Inputs and Outputs  
Integrated Product Identification Code  
Commercial and Industrial Temperature Ranges  
AT27C040  
Description  
The AT27C040 chip is a low-power, high-performance, 4,194,304-bit one-time pro-  
grammable read-only memory (OTP EPROM) organized as 512K by 8 bits. The  
AT27C040 requires only one 5V power supply in normal read mode operation. Any  
byte can be accessed in less than 70 ns, eliminating the need for speed reducing  
WAIT states on high-performance microprocessor systems.  
TSOP Top View  
Pin Configurations  
A11  
A9  
1
32  
31  
30  
29  
28  
27  
26  
25  
24  
23  
22  
21  
20  
19  
18  
17  
OE  
A10  
CE  
07  
Pin Name  
A0 - A18  
O0 - O7  
CE  
Function  
2
A8  
3
Addresses  
Outputs  
A13  
A14  
A17  
A18  
VCC  
VPP  
A16  
A15  
A12  
A7  
4
5
06  
6
05  
7
04  
Chip Enable  
Output Enable  
8
03  
9
GND  
02  
OE  
10  
11  
12  
13  
14  
15  
16  
01  
O0  
A0  
A1  
A2  
A3  
A6  
PDIP Top View  
A5  
A4  
VPP  
1
2
3
4
5
6
7
8
9
32 VCC  
A16  
A15  
A12  
A7  
31 A18  
30 A17  
29 A14  
28 A13  
27 A8  
26 A9  
25 A11  
24 OE  
23 A10  
22 CE  
21 07  
20 06  
19 05  
18 04  
17 03  
PLCC Top View  
A6  
A5  
A4  
A3  
A7  
A6  
A5  
A4  
A3  
5
6
7
8
9
29 A14  
28 A13  
27 A8  
26 A9  
25 A11  
24 OE  
23 A10  
22 CE  
21 07  
A2 10  
A1 11  
A0 12  
O0 13  
O1 14  
O2 15  
GND 16  
A2 10  
A1 11  
A0 12  
O0 13  
0189F–EPROM–4/03  

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