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AT25256-10UI-1.8 Datasheet

  • AT25256-10UI-1.8

  • SPI Serial EEPROM

  • 21頁

  • ETC

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Features
鈥?/div>
Serial Peripheral Interface (SPI) Compatible
鈥?/div>
Supports SPI Modes 0 (0,0) and 3 (1,1)
鈥?/div>
Low-voltage and Standard-voltage Operation
鈥?5.0 (V
CC
= 4.5V to 5.5V)
鈥?2.7 (V
CC
= 2.7V to 5.5V)
鈥?1.8 (V
CC
= 1.8V to 3.6V)
3 MHz Clock Rate
64-byte Page Mode and Byte Write Operation
Block Write Protection
鈥?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
鈥?Endurance: 100,000 Write Cycles
鈥?Data Retention: >200 Years
鈥?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,
8-pin Leadless Array, and 8-ball dBGA
鈩?/div>
Packages
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
SPI Serial
EEPROMs
128K (16,384 x 8)
256K (32,768 x 8)
鈥?/div>
鈥?/div>
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
(continued)
AT25128
AT25256
Pin Configurations
Pin Name
CS
SCK
SI
SO
GND
VCC
WP
HOLD
NC
DC
Function
Chip Select
Serial Data Clock
Serial Data Input
Serial Data Output
Ground
Power Supply
Write Protect
Suspends Serial Input
No Connect
Don't Connect
CS
SO
NC
NC
NC
WP
GND
14-lead TSSOP
1
2
3
4
5
6
7
14
13
12
11
10
9
8
VCC
HOLD
NC
NC
NC
SCK
SI
20-lead TSSOP*
NC
CS
SO
SO
NC
NC
WP
GND
DC
NC
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
NC
VCC
HOLD
HOLD
NC
NC
SCK
SI
DC
NC
8-ball dBGA
VCC
HOLD
SCK
SI
8
7
6
5
1
2
3
4
8-pin Leadless Array
VCC
HOLD
SCK
SI
8
7
6
5
1
2
3
4
CS
SO
WP
GND
CS
SO
WP
GND
16-pin SOIC
CS
SO
NC
NC
NC
NC
WP
GND
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
VCC
HOLD
NC
NC
NC
NC
SCK
SI
Bottom View
8-pin PDIP
CS
SO
WP
GND
1
2
3
4
8
7
6
5
VCC
HOLD
SCK
SI
CS
SO
WP
GND
Bottom View
8-pin SOIC
1
2
3
4
8
7
6
5
VCC
HOLD
SCK
SI
*Note: Pins 3, 4 and 17, 18 are internally connected for 14-lead TSSOP socket compatibility.
Rev. 0872G鈥?1/01
1

AT25256-10UI-1.8 產(chǎn)品屬性

  • 100

  • 集成電路 (IC)

  • 存儲(chǔ)器

  • -

  • EEPROMs - 串行

  • EEPROM

  • 256K (32K x 8)

  • 500kHz，2.1MHz

  • SPI 3 線串行

  • 1.8 V ~ 3.6 V

  • -40°C ~ 85°C

  • 8-VFBGA

  • 8-dBGA（4.07x2.47）

  • 托盤

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