参数资料
型号: DS1250YP-70IND
厂商: Maxim Integrated
文件页数: 1/10页
文件大小: 0K
描述: IC NVSRAM 4MBIT 70NS 34PCM
标准包装: 40
格式 - 存储器: RAM
存储器类型: NVSRAM(非易失 SRAM)
存储容量: 4M (512K x 8)
速度: 70ns
接口: 并联
电源电压: 4.5 V ~ 5.5 V
工作温度: -40°C ~ 85°C
封装/外壳: 34-PowerCap? 模块
供应商设备封装: 34-PowerCap 模块
包装: 管件
19-5647; Rev 12/10
DS1250Y/AB
4096k 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
Replaces 512k x 8 volatile static RAM,
EEPROM or Flash memory
Unlimited write cycles
Low-power CMOS
Read and write access times of 70ns
Lithium energy source is electrically
disconnected to retain freshness until power is
A18
A16
A14
A12
A7
A6
A5
A4
A3
A2
A1
A0
DQ0
1
2
3
4
5
6
7
8
9
10
11
12
13
32
31
30
29
28
27
26
25
24
23
22
21
20
V CC
A15
A17
WE
A13
A8
A9
A1 1
OE
A1 0
CE
DQ7
DQ6
?
?
?
applied for the first time
Full ± 10% V CC operating range (DS1250Y)
Optional ± 5% V CC operating range
(DS1250AB)
Optional industrial temperature range of
-40 ° C to +85 ° C, designated IND
DQ1 14 19 DQ5
DQ2 15 18 DQ4
GND 16 17 DQ3
32-Pin ENCAPSULATED PACKAGE
740-mil EXTENDED
?
?
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
NC
A15
A16
NC
V CC
WE
OE
CE
DQ7
DQ6
DQ5
DQ4
DQ3
DQ2
DQ1
DQ0
GND
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
GND V BAT
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
A18
A17
A14
A13
A12
A11
A10
A9
A8
A7
A6
A5
A4
A3
A2
A1
A0
34-Pin POWERCAP MODULE (PCM)
(Uese DS9034PC+ or DS9034PCI+ POWERCAP)
PIN DESCRIPTION
A0 - A18
DQ0 - DQ7
CE
W E
OE
V CC
GND
NC
1 of 10
- Address Inputs
- Data In/Data Out
- Chip Enable
- Write Enable
- Output Enable
- Power (+5V)
- Ground
- No Connect
相关PDF资料
PDF描述
T95R187M6R3HSAL CAP TANT 180UF 6.3V 20% 2824
R2D10-2409/P-R CONV DC/DC 2W +/-9VOUT SMD
GSC40DRYH-S93 CONN EDGECARD 80POS DIP .100 SLD
745187-7 CONN D-SUB RCPT STR 25POS PCB AU
T95R187K6R3HSAL CAP TANT 180UF 6.3V 10% 2824
相关代理商/技术参数
参数描述
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
DS1251P 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:4096K NV SRAM with Phantom Clock
DS1251W-120 功能描述:IC NVSRAM 4MBIT 120NS 32DIP RoHS:否 类别:集成电路 (IC) >> 时钟/计时 - 实时时钟 系列:- 产品培训模块:Obsolescence Mitigation Program 标准包装:1 系列:- 类型:时钟/日历 特点:警报器,闰年,SRAM 存储容量:- 时间格式:HH:MM:SS(12/24 小时) 数据格式:YY-MM-DD-dd 接口:SPI 电源电压:2 V ~ 5.5 V 电压 - 电源,电池:- 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:8-WDFN 裸露焊盘 供应商设备封装:8-TDFN EP 包装:管件