参数资料
型号: DS1250YP-70
厂商: MAXIM INTEGRATED PRODUCTS INC
元件分类: Static RAM
英文描述: 512K X 8 NON-VOLATILE SRAM MODULE, 70 ns, DMA34
封装: POWERCAP MODULE-34
文件页数: 1/12页
文件大小: 294K
代理商: DS1250YP-70
1 of 12
121907
FEATURES
10 years minimum data retention in the
absence of external power
Data is automatically protected during power
loss
Replaces 512k x 8 volatile static RAM,
EEPROM or Flash memory
Unlimited write cycles
Low-power CMOS
Read and write access times as fast as 70ns
Lithium energy source is electrically
disconnected to retain freshness until power is
applied for the first time
Full
±10% VCC operating range (DS1250Y)
Optional
±5% VCC operating range
(DS1250AB)
Optional industrial temperature range of
-40
°C to +85°C, designated IND
JEDEC standard 32-pin DIP package
PowerCap Module (PCM) package
-
Directly surface-mountable module
-
Replaceable snap-on PowerCap provides
lithium backup battery
-
Standardized pinout for all nonvolatile
SRAM products
-
Detachment feature on PCM allows easy
removal using a regular screwdriver
PIN ASSIGNMENT
PIN DESCRIPTION
A0 - A18
- Address Inputs
DQ0 - DQ7
- Data In/Data Out
CE
- Chip Enable
WE
- Write Enable
OE
- Output Enable
VCC
- Power (+5V)
GND
- Ground
NC
- No Connect
DS1250Y/AB
4096k Nonvolatile SRAM
www.maxim-ic.com
13
1
2
3
4
5
6
7
8
9
10
11
12
14
31
32-Pin ENCAPSULATED PACKAGE
740-mil EXTENDED
A14
A7
A5
A4
A3
A2
A1
A0
DQ1
DQ0
VCC
A15
A17
WE
A13
A8
A9
A11
OE
A10
CE
DQ7
DQ5
DQ6
32
30
29
28
27
26
25
24
23
22
21
19
20
A16
A12
A6
A18
DQ2
GND
15
16
18
17
DQ4
DQ3
1
NC
2
3
A15
A16
NC
VCC
WE
OE
CE
DQ7
DQ6
DQ5
DQ4
DQ3
DQ2
DQ1
DQ0
GND
4
5
6
7
8
9
10
11
12
13
14
15
16
17
A17
A14
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
A13
A12
A11
A10
A9
A8
A7
A6
A5
A4
A3
A2
A1
A0
34
A18
GND V
BAT
34-Pin POWERCAP MODULE (PCM)
(USES DS9034PC POWERCAP)
相关PDF资料
PDF描述
DS1250ABP-100 512K X 8 NON-VOLATILE SRAM MODULE, 100 ns, DMA34
DS1250AB-70 512K X 8 NON-VOLATILE SRAM MODULE, 70 ns, DMA32
DS1250YL-70-IND 512K X 8 NON-VOLATILE SRAM MODULE, 70 ns, DMA34
DS1254W 0 TIMER(S), REAL TIME CLOCK, PBGA168
DS1254Y 0 TIMER(S), REAL TIME CLOCK, PBGA168
相关代理商/技术参数
参数描述
DS1250YP-70+ 功能描述:NVRAM 4096K NV 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
DS1250YP-70IND 功能描述:NVRAM 4096K NV 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
DS1250YP-70-IND 制造商:DALLAS 制造商全称:Dallas Semiconductor 功能描述:4096k Nonvolatile SRAM
DS1250YP-70IND+ 功能描述:NVRAM 4096K NV 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
DS1251 制造商:DALLAS 制造商全称:Dallas Semiconductor 功能描述:4096k NV SRAM with Phantom Clock