參數(shù)資料
型號： AT25256C1-10CI-1.8
廠商： ATMEL CORP
元件分類： DRAM
英文描述： SPI Serial EEPROMs
中文描述： 32K X 8 SPI BUS SERIAL EEPROM, CDSO8
封裝： 0.300 INCH, LAP-8
文件頁數(shù)： 1/17頁
文件大?。?/td> 230K
代理商： AT25256C1-10CI-1.8
1
8-Pin SOIC
CS
SCK
SI
SO
WP
GND
HOLD
VCC
1
2
3
4
8
7
6
5
Features
Serial Peripheral Interface (SPI) Compatible
Supports SPI Modes 0 (0,0) and 3 (1,1)
Low Voltage and Standard Voltage Operation
– 5.0 (V
CC
= 4.5V to 5.5V)
– 2.7 (V
CC
= 2.7V to 5.5V)
– 1.8 (V
CC
= 1.8V to 3.6V)
3 MHz Clock Rate
64-Byte Page Mode and Byte Write Operation
Block Write Protection
– Protect 1/4, 1/2, or Entire Array
Write Protect (WP) Pin and Write Disable Instructions for
Both Hardware and Software Data Protection
Self-Timed Write Cycle (5 ms Typical)
High Reliability
– Endurance: 100,000 Write Cycles
– Data Retention: >200 Years
– ESD Protection: >4000V
Automotive Grade and Extended Temperature Devices Available
8-Pin PDIP, 8-Pin EIAJ SOIC, 8-Pin and 16-Pin JEDEC SOIC, 14-Pin and 20-Pin TSSOP,
and 8-Pin Leadless Array Packages
Description
The AT25128/256 provides 131,072/262,144 bits of serial electrically erasable pro-
grammable read only memory (EEPROM) organized as 16,384/32,768 words of 8 bits
each. The device is optimized for use in many industrial and commercial applications
where low power and low voltage operation are essential. The devices are available in
Pin Configurations
14-Lead TSSOP
Rev. 0872E–08/98
*Note: Pins 3, 4 and 17, 18 are internally connected for 14-lead TSSOP socket compatibility.
SPI Serial
EEPROMs
128K (16,384 x 8)
256K (32,768 x 8)
AT25128
AT25256
Pin Name
Function
CS
Chip Select
SCK
Serial Data Clock
SI
Serial Data Input
SO
Serial Data Output
GND
Ground
VCC
Power Supply
WP
Write Protect
HOLD
Suspends Serial Input
NC
No Connect
DC
Don't Connect
(continued)
20-Lead TSSOP*
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
NC
CS
SO
SO
NC
NC
WP
GND
DC
NC
NC
VCC
HOLD
HOLD
NC
NC
SCK
SI
DC
NC
8-Pin PDIP
CS
SCK
SI
SO
WP
GND
HOLD
VCC
1
2
3
4
8
7
6
5
16-Pin SOIC
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
CS
SO
NC
NC
NC
NC
WP
GND
VCC
HOLD
NC
NC
NC
NC
SCK
SI
1
2
3
4
5
6
7
14
13
12
11
10
9
8
CS
SO
NC
NC
NC
WP
GND
VCC
HOLD
NC
NC
NC
SCK
SI
8-Pin Leadless Array
Bottom View
1
2
3
4
8
7
6
5
VCC
HOLD
SCK
SI
CS
SO
WP
GND
相關(guān)PDF資料
PDF描述
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