U637H256中文资料PDF规格书
U637H256规格书详情
Description
The U637H256 has two separate modes of operation: SRAM mode and nonvolatile mode. In SRAM mode, the memory operates as an ordinary static RAM. In nonvolatile operation, data is transferred in parallel from SRAM to EEPROM or from EEPROM to SRAM. In this mode SRAM functions are disabled.
Features
□ High-performance CMOS nonvolatile static RAM 32768 x 8 bits
□ 25 ns Access Time
□ 10 ns Output Enable Access Time
□ ICC = 15 mA typ. at 200 ns Cycle Time
□ Unlimited Read and Write Cycles to SRAM
□ Automatic STORE to EEPROM on Power Down using charge stored in an integrated capacitor
□ Software initiated STORE
□ Automatic STORE Timing
□ 106 STORE cycles to EEPROM
□ 100 years data retention in EEPROM
□ Automatic RECALL on Power Up
□ Software RECALL Initiation
□ Unlimited RECALL cycles from EEPROM
□ Single 5 V ± 10 Operation
□ Operating temperature range:
0 to 70 °C
-40 to 85°C
□ QS 9000 Quality Standard (MIL STD 883C M3015.7)
□ RoHS compliance and Pb- free Package: PDIP28 (600 mil)
产品属性
- 型号:
U637H256
- 制造商:
SIMTEK
- 制造商全称:
Simtek Corporation
- 功能描述:
CapStore 32K x 8 nvSRAM
供应商 | 型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
---|---|---|---|---|---|---|---|
TEMIC |
22+ |
DIP8 |
5000 |
全新进口原装!现货热卖中 |
询价 | ||
TFK |
18+ |
DIP8 |
12500 |
全新原装正品,本司专业配单,大单小单都配 |
询价 | ||
ATMEL |
21+ |
DIP-8 |
6000 |
绝对原裝现货 |
询价 | ||
ZMD |
23+ |
SOP |
3698 |
全新原装现货 |
询价 | ||
TFK/T |
00+ |
DIP8 |
4080 |
特价销售欢迎来电!! |
询价 | ||
TEXAS |
20+ |
SOP8 |
2960 |
诚信交易大量库存现货 |
询价 | ||
TFK |
95+ |
DIP |
59 |
特价热销现货库存100%原装正品欢迎来电订购! |
询价 | ||
TEMIC |
2020+ |
原厂封装 |
350000 |
100%进口原装正品公司现货库存 |
询价 | ||
TFK |
2021+ |
DIP8 |
6430 |
原装现货/欢迎来电咨询 |
询价 | ||
TFK |
2016+ |
DIP8 |
12656 |
只做原装,假一罚十,公司可开17%增值税发票! |
询价 |