收藏本站
19-5603; Rev 10/10
NOT RECOMMENDED FOR NEW DESIGNS
DS1225Y
64k Nonvolatile SRAM
www.maxim-ic.com
FEATURES
PIN ASSIGNMENT
?
?
?
?
?
?
?
?
?
10 years minimum data retention in the
absence of external power
Data is automatically protected during power
loss
Directly replaces 2k x 8 volatile static RAM
or EEPROM
Unlimited write cycles
Low-power CMOS
JEDEC standard 28-pin DIP package
Read and write access times of 150 ns
Full ±10% operating range
Optional industrial temperature range of
NC
A12
A7
A6
A5
A4
A3
A2
A1
A0
DQ0
DQ1
DQ2
GND
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28
27
26
25
24
23
22
21
20
19
18
17
16
15
VCC
WE
NC
A8
A9
A11
OE
A10
CE
DQ7
DQ6
DQ5
DQ4
DQ3
-40°C to +85°C, designated IND
24-Pin ENCAPSULATED PACKAGE
720-mil EXTENDED
PIN DESCRIPTION
A0-A12
DQ0-DQ7
CE
W E
OE
V CC
GND
- Address Inputs
- Data In/Data Out
- Chip Enable
- Write Enable
- Output Enable
- Power (+5V)
- Ground
DESCRIPTION
The DS1225Y 64k Nonvolatile SRAM is a 65,536-bit, fully static, nonvolatile RAM organized as 8192
words by 8 bits. Each NV SRAM has a self-contained lithium energy source and control circuitry which
constantly monitors V CC for an out-of-tolerance condition. When such a condition occurs, the lithium
energy source is automatically switched on and write protection is unconditionally enabled to prevent
data corruption. The NV SRAM can be used in place of existing 8k x 8 SRAMs directly conforming to
the popular bytewide 28-pin DIP standard. The DS1225Y also matches the pinout of the 2764 EPROM or
the 2864 EEPROM, allowing direct substitution while enhancing performance. There is no limit on the
number of write cycles that can be executed and no additional support circuitry is required for micro-
processor interfacing.
1 of 8
发布紧急采购，3分钟左右您将得到回复。

采购需求

(若只采购一条型号，填写一行即可)

发布成功！您可以继续发布采购。也可以进入我的后台，查看报价

发布成功！您可以继续发布采购。也可以进入我的后台，查看报价

*型号 *数量 厂商 批号 封装
添加更多采购

我的联系方式

*
*
*
相关PDF资料
DS1230WP-150+ IC NVSRAM 256KBIT 150NS 34PCM
DS1230YP-100+ IC NVSRAM 256KBIT 100NS 34PCM
DS1245AB-120IND+ IC SRAM NV 128KX8 5.25V 32-DIP
DS1245W-100IND+ IC NVSRAM 1MBIT 100NS 32DIP
DS1245Y-70IND+ IC NVSRAM 1MBIT 70NS 32DIP
DS1249AB-85IND# IC NVSRAM 2048KBIT 85NS 32DIP
DS1249W-100IND# IC NVSRAM 2MBIT 100NS 32DIP
DS1249Y-70IND# IC NVSRAM 2MBIT 70NS 32DIP
相关代理商/技术参数
DS1225Y-200IND 功能描述:NVRAM 64k Nonvolatile SRAM RoHS:否 制造商:Maxim Integrated 数据总线宽度:8 bit 存储容量:1024 Kbit 组织:128 K x 8 接口类型:Parallel 访问时间:70 ns 电源电压-最大:5.5 V 电源电压-最小:4.5 V 工作电流:85 mA 最大工作温度:+ 70 C 最小工作温度:0 C 封装 / 箱体:EDIP 封装:Tube
DS1225Y-200-IND 制造商:DALLAS 制造商全称:Dallas Semiconductor 功能描述:64K Nonvolatile SRAM
DS1225Y-200IND+ 功能描述:NVRAM RoHS:否 制造商:Maxim Integrated 数据总线宽度:8 bit 存储容量:1024 Kbit 组织:128 K x 8 接口类型:Parallel 访问时间:70 ns 电源电压-最大:5.5 V 电源电压-最小:4.5 V 工作电流:85 mA 最大工作温度:+ 70 C 最小工作温度:0 C 封装 / 箱体:EDIP 封装:Tube
DS1227 制造商:DALLAS 制造商全称:Dallas Semiconductor 功能描述:KickStarter Chip
DS1227S 制造商:DALLAS 制造商全称:Dallas Semiconductor 功能描述:KickStarter Chip
DS-1227ZJ 制造商:Hikvision USA 功能描述:Flush Mount Bracket - Wht27In X 3.33In 制造商:HIKVISION 功能描述:FLUSH MOUNT BRACKET - WHT 27IN X 3.33IN
DS1228 制造商:DALLAS 制造商全称:Dallas Semiconductor 功能描述:+5V Powered Dual RS-232 Transmitter/Receiver
DS-1229ZJ 制造商:Hikvision USA 功能描述:Camera Wall Mount Bracket9.88In X 3.94In X 7.17In 制造商:HIKVISION 功能描述:CAMERA WALL MOUNT BRACKET 9.88IN X 3.94IN X 7.17IN