参数资料
型号: DS1245Y-85
厂商: MAXIM INTEGRATED PRODUCTS INC
元件分类: Static RAM
英文描述: 128K X 8 NON-VOLATILE SRAM MODULE, 85 ns, DMA32
封装: 0.740 INCH, EXTENDED MODULE, DIP-32
文件页数: 1/13页
文件大小: 279K
代理商: DS1245Y-85
1 of 13
121907
DS1245Y/AB
1024k Nonvolatile SRAM
www.maxim-ic.com
FEATURES
10 years minimum data retention in the
absence of external power
Data is automatically protected during power
loss
Replaces 128k x 8 volatile static RAM,
EEPROM or Flash memory
Unlimited write cycles
Low-power CMOS
Read and write access times as fast as 70 ns
Lithium energy source is electrically
disconnected to retain freshness until power is
applied for the first time
Full
10% V
CC operating range (DS1245Y)
Optional
5% V
CC operating range
(DS1245AB)
Optional industrial temperature range of
-40
C to +85C, 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 PowerCap allows
easy removal using a regular screwdriver
PIN ASSIGNMENT
PIN DESCRIPTION
A0 - A16
- 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
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
NC
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
NC
A12
A6
DQ2
15
16
18
DQ4
17
DQ3
GND
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
NC
33
34
A14
32
31
A13
30
A12
29
28
27
26
25
24
23
22
21
20
19
18
A11
A10
A9
A8
A7
A6
A5
A4
GND
VBAT
A3
A2
A1
A0
34-PIN POWERCAP MODULE (PCM)
(USES DS9034PC POWERCAP)
相关PDF资料
PDF描述
DS1245Y-70 128K X 8 NON-VOLATILE SRAM MODULE, 70 ns, DMA32
DS1245AB-120 128K X 8 NON-VOLATILE SRAM MODULE, 120 ns, DMA32
DS1245YP-100 128K X 8 NON-VOLATILE SRAM MODULE, 100 ns, DMA34
DS1245ABP-100 128K X 8 NON-VOLATILE SRAM MODULE, 100 ns, DMA34
DS1245W-150 128K X 8 NON-VOLATILE SRAM MODULE, 150 ns, DMA32
相关代理商/技术参数
参数描述
DS1245Y-85+ 功能描述:NVRAM 1024K SRAM Nonvolatile 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
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DS1245Y-EMC 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
DS1245Y-FIR 制造商:Maxim Integrated Products 功能描述: