参数资料
型号: CAT28LV256GI25
厂商: ON Semiconductor
文件页数: 1/12页
文件大小: 0K
描述: IC EEPROM 256KBIT 250NS 32PLCC
产品变化通告: Product Obsolescence 08/Apr/2011
标准包装: 32
格式 - 存储器: EEPROMs - 并行
存储器类型: EEPROM
存储容量: 256K (32K x 8)
速度: 250ns
接口: 并联
电源电压: 3 V ~ 3.6 V
工作温度: -40°C ~ 85°C
封装/外壳: 32-LCC(J 形引线)
供应商设备封装: 32-PLCC(11.43x13.97)
包装: 托盘
其它名称: 28LV256GI-25
CAT28LV256GI-25
CAT28LV256GI-25-ND

CAT28LV256
256K-Bit CMOS PARALLEL EEPROM
FEATURES
s 3.0V to 3.6V Supply
s Read Access Times: 200/250/300 ns
s Low Power CMOS Dissipation:
– Active: 15 mA Max.
– Standby: 150 μ A Max.
s Simple Write Operation:
– On-Chip Address and Data Latches
– Self-Timed Write Cycle with Auto-Clear
s Fast Write Cycle Time:
– 10ms Max.
s Commercial, Industrial and Automotive
Temperature Ranges
DESCRIPTION
The CAT28LV256 is a fast, low power, low voltage
CMOS Parallel E 2 PROM organized as 32K x 8-bits. It
requires a simple interface for in-system programming.
On-chip address and data latches, self-timed write cycle
with auto-clear and V CC power up/down write protection
eliminate additional timing and protection hardware.
DATA Polling and Toggle status bits signal the start and
end of the self-timed write cycle. Additionally, the
CAT28LV256 features hardware and software write
protection.
BLOCK DIAGRAM
s CMOS and TTL Compatible I/O
s Automatic Page Write Operation:
– 1 to 64 Bytes in 10ms
– Page Load Timer
s End of Write Detection:
– Toggle Bit
– DATA Polling
s Hardware and Software Write Protection
s 100,000 Program/Erase Cycles
s 100 Year Data Retention
The CAT28LV256 is manufactured using Catalyst’s
advanced CMOS floating gate technology. It is designed
to endure 100,000 program/erase cycles and has a data
retention of 100 years. The device is available in JEDEC–
approved 28-pin DIP, 28-pin TSOP or 32-pin PLCC
packages.
A6–A14
VCC
ADDR. BUFFER
& LATCHES
INADVERTENT
WRITE
PROTECTION
ROW
DECODER
HIGH VOLTAGE
GENERATOR
32,768 x 8
E 2 PROM
ARRAY
64 BYTE PAGE
REGISTER
CE
OE
CONTROL
WE
A0–A5
LOGIC
TIMER
ADDR. BUFFER
& LATCHES
DATA POLLING
AND
TOGGLE BIT
COLUMN
DECODER
I/O BUFFERS
I/O0–I/O7
28LV256 F01
? 2009 SCILLC. All rights reserved.
Characteristics subject to change without notice
1
Doc. No. MD-1071, Rev. E
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相关代理商/技术参数
参数描述
CAT28LV256GI-25T 功能描述:电可擦除可编程只读存储器 256K-Bit Parallel 电可擦除可编程只读存储器 RoHS:否 制造商:Atmel 存储容量:2 Kbit 组织:256 B x 8 数据保留:100 yr 最大时钟频率:1000 KHz 最大工作电流:6 uA 工作电源电压:1.7 V to 5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8
CAT28LV256GI-30 功能描述:电可擦除可编程只读存储器 (32kx8) 256K 3V 300 RoHS:否 制造商:Atmel 存储容量:2 Kbit 组织:256 B x 8 数据保留:100 yr 最大时钟频率:1000 KHz 最大工作电流:6 uA 工作电源电压:1.7 V to 5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8
CAT28LV256GI-30T 功能描述:电可擦除可编程只读存储器 256K-Bit Parallel 电可擦除可编程只读存储器 RoHS:否 制造商:Atmel 存储容量:2 Kbit 组织:256 B x 8 数据保留:100 yr 最大时钟频率:1000 KHz 最大工作电流:6 uA 工作电源电压:1.7 V to 5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8
CAT28LV256H13-25 功能描述:电可擦除可编程只读存储器 (32kx8) 256K 3V 250 RoHS:否 制造商:Atmel 存储容量:2 Kbit 组织:256 B x 8 数据保留:100 yr 最大时钟频率:1000 KHz 最大工作电流:6 uA 工作电源电压:1.7 V to 5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8
CAT28LV256H13-30 功能描述:电可擦除可编程只读存储器 (32kx8) 256K 3V 300 RoHS:否 制造商:Atmel 存储容量:2 Kbit 组织:256 B x 8 数据保留:100 yr 最大时钟频率:1000 KHz 最大工作电流:6 uA 工作电源电压:1.7 V to 5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8