EEPROM Memory | CAT25256
概览
CAT25256 是一款 EEPROM 串行 256-Kb SPI 器件，内部组织为 32kx8 位。它具有 64 字节页写入缓存，支持串行外围接口 (SPI) 协议。该器件通过芯片选择 (CS) 输入启用。另外，所需总线信号为时钟输入 (SCK)、数据输入 (SI) 和数据输出 (SO) 线路。保持输入可用于暂停与 CAT25256 器件的任何串行通信。该器件具有软件和硬件写保护，包括部分和完整阵列保护。片上 ECC（错误修正代码）使得该器件适用于高可靠性应用。可用于新产品（修订版E）。
- Automotive Systems
- Communications Systems
- Computer Systems
- Consumer Systems
- Industrial Systems
- 20 MHz (5 V) SPI Compatible
- 1.8 V to 5.5 V Supply Voltage Range
- SPI Modes (0,0) & (1,1)
- 64-byte Page Write Buffer
- Additional Identification Page with Permanent Write Protection (New Product)
- Self-timed Write Cycle
- Hardware and Software Protection
- 100 Year Data Retention
- 1,000,000 Program/Erase Cycles
- Low Power CMOS Technology
- Block Write Protection
- Protect 1/4, 1/2 or Entire EEPROM Array - Industrial Temperature Range
- 8-lead SOIC, TSSOP and 8-pad UDFN Packages
- This Device is Pb-Free, Halogen Free/BFR Free, and RoHS Compliant
Buy/Parametrics Table
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CAT25256HU4I-GT3
Active
Pb
A
H
P
UDFN-8
1
260
REEL
3000
N
Serial
256 kb
32k x 8
SPI
10000
40
1.8
5.5
-
3
2
-40
125
-
-
$0.4351
More Details
CAT25256VI-GT3
Active
Pb
A
H
P
SOIC-8
1
260
REEL
3000
N
Serial
256 kb
32k x 8
SPI
10000
40
1.8
5.5
-
2
2
-40
85
-
-
$0.4093
More Details
CAT25256XE-T2
Active
Pb
A
H
P
SOIC-8
3
260
REEL
2000
N
Serial
256 kb
32k x 8
SPI
10000
40
1.8
5.5
-
3
2
-40
125
-
-
$1.692
More Details
CAT25256XI-T2
Active
Pb
A
H
P
SOIC-8
3
260
REEL
2000
N
Serial
256 kb
32k x 8
SPI
10000
40
1.8
5.5
-
2
2
-40
85
-
-
$0.5671
More Details
CAT25256YI-GT3
Active
Pb
A
H
P
TSSOP-8
1
260
REEL
3000
N
Serial
256 kb
32k x 8
SPI
10000
40
1.8
5.5
-
2
2
-40
85
-
-
$0.5049
More Details
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