AT27BV400
器件描述:4-Megabit 256K x 16 or 512K x 8 Unregulated Battery-Voltage High Speed OTP EPROM
文件大小:267.5KB,共11页
Sponsor by e络盟
器件资料摘要:
1
4-Megabit
(256K x 16 or
512K x 8)
Unregulated
Battery-Voltage
™
High Speed
OTP EPROM
AT27BV400
Preliminary
Features
• Fast Read Access Time - 120 ns
• Word-wide or Byte-wide Configurable
• Dual Voltage Range Operation
– Unregulated Battery Power Supply Range, 2.7V to 3.6V
or Standard 5V ± 10% Supply Range
• 4-Megabit Flash and Mask ROM Compatable
• Low Power CMOS Operation
–20 µA Maximum Standby
– 10 mA Max. Active at 5 MHz for V
CC
= 3.6V
• JEDEC Standard Packages
– 44-Lead PLCC
– 44-Lead SOIC (SOP)
– 48-Lead TSOP (12 mm x 20 mm)
• High Reliability CMOS Technology
– 2,000 ESD Protection
– 200 mA Latchup Immunity
• Rapid
™
Programming Algorithm - 50 µs/word (typical)
• CMOS and TTL Compatible Inputs and Outputs
– JEDEC Standard for LVTTL and LVBO
• Integrated Product Identification Code
• Commercial and Industrial Temperature Ranges
Description
The AT27BV400 is a high performance low-power, low-voltage 4,194,304-bit one time
programmable read only memory (OTP EPROM) organized as either 256K by 16 or
512K by 8 bits. It requires only one supply in the range of 2.7 to 3.6V in normal read
Rev. 0989A–03/98
Pin Configurations
Pin Name Function
A0 - A17 Addresses
O0 - O15 Outputs
O15/A-1 Output/Address
BYTE/V
PP
Byte Mode/
Program Supply
CE Chip Enable
OE Output Enable
NC No Connect
TSOP
Type 1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
A15
A14
A13
A12
A11
A10
A9
A8
NC
NC
NC
NC
NC
NC
NC
NC
A17
A7
A6
A5
A4
A3
A2
A1
A16
BYTE/VPP
GND
015/A-1
O7
O14
O6
O13
O5
O12
O4
VCC
O11
O3
O10
O2
O9
O1
O8
O0
OE
GND
CE
A0
SOIC (SOP)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
NC
NC
A17
A7
A6
A5
A4
A3
A2
A1
A0
CE
GND
OE
O0
O8
O1
O9
O2
O10
O3
O11
NC
NC
A8
A9
A10
A11
A12
A13
A14
A15
A16
BYTE/VPP
GND
015/A-1
O7
O14
O6
O13
O5
O12
O4
VCC
(continued)
AT27BV400
Preliminary
PLCC
7
8
9
10
11
12
13
14
15
16
17
39
38
37
36
35
34
33
32
31
30
29
A4
A3
A2
A1
A0
CE
GND
OE
O0
O8
O1
A12
A13
A14
A15
A16
BYTE/VPP
GND
O15/A-1
07
O14
O6
6 5 4 3 2 1
44 43 42 41 40
18 19 20 21 22 23 24 25 26 27 28
O9 O2
O10
O3
O11
NC
VCC
O4
O12
O5
O13
A5 A6 A7 A17 NC GND NC A8 A9 A10 A11