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AT28C64B 데이터시트(HTML) 1 Page - ATMEL Corporation

부품명 AT28C64B
상세내용  64K (8K x 8) Parallel EEPROM with Page Write and Software Data Protection
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제조사  ATMEL [ATMEL Corporation]
홈페이지  http://www.atmel.com
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AT28C64B 데이터시트(HTML) 1 Page - ATMEL Corporation

 
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1
Features
Fast Read Access Time – 150 ns
Automatic Page Write Operation
– Internal Address and Data Latches for 64 Bytes
Fast Write Cycle Times
– Page Write Cycle Time: 10 ms Maximum
– 1 to 64-byte Page Write Operation
Low Power Dissipation
– 40 mA Active Current
– 100 µA CMOS Standby Current
Hardware and Software Data Protection
DATA Polling and Toggle Bit for End of Write Detection
High Reliability CMOS Technology
– Endurance: 100,000 Cycles
– Data Retention: 10 Years
Single 5V
± 10% Supply
CMOS and TTL Compatible Inputs and Outputs
JEDEC Approved Byte-wide Pinout
Commercial and Industrial Temperature Ranges
Description
The AT28C64B is a high-performance electrically-erasable and programmable read
only memory (EEPROM). Its 64K of memory is organized as 8,192 words by 8 bits.
Manufactured with Atmel’s advanced nonvolatile CMOS technology, the device offers
access times to 150 ns with power dissipation of just 220 mW. When the device is
deselected, the CMOS standby current is less than 100 µA.
64K (8K x 8)
Parallel
EEPROM with
Page Write and
Software Data
Protection
AT28C64B
Rev. 0270H–12/99
Pin Configurations
Pin Name
Function
A0 - A12
Addresses
CE
Chip Enable
OE
Output Enable
WE
Write Enable
I/O0 - I/O7
Data Inputs/Outputs
NC
No Connect
DC
Don’t Connect
PDIP, SOIC
Top View
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
NC
A12
A7
A6
A5
A4
A3
A2
A1
A0
I/O0
I/O1
I/O2
GND
VCC
WE
NC
A8
A9
A11
OE
A10
CE
I/O7
I/O6
I/O5
I/O4
I/O3
TSOP
Top View
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
OE
A11
A9
A8
NC
WE
VCC
NC
A12
A7
A6
A5
A4
A3
A10
CE
I/O7
I/O6
I/O5
I/O4
I/O3
GND
I/O2
I/O1
I/O0
A0
A1
A2
PLCC
Top View
Note:
PLCC package pins 1 and 17 are
DON’T CONNECT.
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
I/O0
A8
A9
A11
NC
OE
A10
CE
I/O7
I/O6
(continued)


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