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參數(shù)資料
| 型號： | S-2864B |
| 廠商： | Seiko Instruments Inc. |
| 英文描述： | CMOS 64Kbit Parallel EEPROM(64K位CMOS并行EEPROM) |
| 中文描述： | 并行的CMOS 64Kbit的EEPROM（64K的位的CMOS并行EEPROM的） |
| 文件頁數(shù)： | 2/18頁 |
| 文件大?。?/td> | 103K |
| 代理商： | S-2864B |
Seiko Instruments Inc.
1
The S-2860B and the S-2864B are low power 8K
×
8-bit parallel
E
2
PROMs. The S-2860B features wide operating voltage range, and
the S-2864B features 5-V single power supply. Since provided with 32-
byte page write function, they can perform fast programming operation.
Features
Access time: 150 ns
(V
CC
=5 V
±
10%, Ta=0
°
C to 70
°
C).
Low power consumption.
Operating: 30 mA max. (V
CC
=5 V
±
10%)
Standby: 1
μ
A max. (VCC=5 V
±
10%)
Operating voltage range
S-2860B
Read:1.8 to 5.5 V
Write:2.7 to 5.5 V
S-2864B
5 V
±
10%
5 V
±
10%
Pin Assignment
Pin name
Function
A
0
to A
12
I/O
0
to I/O
7
CE
OE
WE
V
CC
GND
Address input
Data input / output
Chip Enable
Output Enable
Write Enable
Power supply voltage
Ground (0 V)
CMOS 64k-bit PARALLEL E
2
PROM
S-2860B/2864B
28
27
26
25
24
23
22
21
20
19
18
17
16
15
1
2
3
4
5
6
7
8
9
10
11
12
13
14
NC
A
12
A
7
A
6
A
5
A
4
A
3
A
2
A
1
A
0
I/O
0
I/O
1
I/O
2
GND
V
WE
NC
A
8
A
9
A
11
OE
A
10
CE
I/O
7
I/O
6
I/O
5
I/O
4
I/O
3
28-pin SOP
Top view
Figure 1
28-pin TSOP
Top view
OE
A
11
A
9
A
8
NC
WE
V
CC
NC
A
12
A
7
A
6
A
5
A
4
A
3
28
27
26
25
24
23
22
21
20
19
18
17
16
15
1
2
3
4
5
6
9
10
11
12
13
14
7
8
A
10
CE
I/O
7
I/O
6
I/O
5
I/O
4
I/O
3
GND
I/O
2
I/O
1
I/O
0
A
0
A
1
A
2
Write inhibition
S-2860B:2.1 V typ
S-2864B: 3.5 V typ
Data polling
Page write for 32 bytes
Rewritings : 10
5
times
Data retention: 10 years
Program noise immunity
Package: 28-pin SOP/TSOP
Supply in bare chip is also available
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