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| 型号： | DS2070W-100# |
| 厂商： | Maxim Integrated |
| 文件页数： | 1/12页 |
| 文件大小： | 0K |
| 描述： | IC NVSRAM 16MBIT 100NS 256BGA |
| 标准包装： | 1 |
| 格式 - 存储器： | RAM |
| 存储器类型： | NVSRAM（非易失 SRAM） |
| 存储容量： | 16M（2M x 8） |
| 速度： | 100ns |
| 接口： | 并联 |
| 电源电压： | 3 V ~ 3.6 V |
| 工作温度： | -40°C ~ 85°C |
| 封装/外壳： | 256-BBGA |
| 供应商设备封装： | 256-BGA（27x27） |
| 包装： | 托盘 |
Rev 0; 8/06
3.3V Single-Piece 16Mb
Nonvolatile SRAM
General Description
Features
The DS2070W is a 16Mb reflowable nonvolatile (NV)
o Single-Piece, Reflowable,
(27mm) 2
PBGA Package
SRAM, which consists of a static RAM (SRAM), an NV
controller, and an internal rechargeable manganese
lithium (ML) battery. These components are encased in
a surface-mount module with a 256-ball BGA footprint.
Whenever V CC is applied to the module, it recharges the
ML battery, powers the SRAM from the external power
source, and allows the contents of the SRAM to be mod-
ified. When V CC is powered down or out-of-tolerance,
the controller write-protects the SRAM’s contents and
powers the SRAM from the battery. The DS2070W also
contains a power-supply monitor output, RST , which can
be used as a CPU supervisor for a microprocessor.
Applications
Footprint
o Internal ML Battery and Charger
o Unconditionally Write-Protects SRAM when V CC
is Out-of-Tolerance
o Automatically Switches to Battery Supply when
V CC Power Failures Occur
o Internal Power-Supply Monitor Detects Power Fail
Below Nominal V CC (3.3V)
o Reset Output can be Used as a CPU Supervisor
for a Microprocessor
o Industrial Temperature Range (-40 ° C to +85 ° C)
o UL Recognized
RAID Systems and Servers
Industrial Controllers
POS Terminals
Routers/Switches
Data-Acquisition Systems
Gaming
Fire Alarms
PLC
Pin Configuration appears at end of data sheet.
Ordering Information
PART
DS2070W-100#
TEMP RANGE
-40 ° C to +85 ° C
PIN-PACKAGE
256 Ball (27mm) 2 BGA Module
SPEED (ns)
100
SUPPLY TOLERANCE
3.3V ±0.3V
# Denotes a RoHS-compliant device that may include lead that is exempt under the RoHS requirements.
Typical Operating Circuit
(CE)
(WR)
(RD)
CE
WE
OE
DS2070W
MICROPROCESSOR
OR DSP
DATA
ADDRESS
(INT)
8 BITS
21 BITS
DQ0–DQ7
A0–A20
RST
2048k x 8
NV SRAM
______________________________________________ Maxim Integrated Products
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
1
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相关代理商/技术参数 |
参数描述 |
|---|---|
| DS2070W-100# | 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 |
| DS2-08A | 功能描述:二极管 - 通用，功率，开关 2 Amps 800V RoHS:否 制造商:STMicroelectronics 产品:Switching Diodes 峰值反向电压:600 V 正向连续电流:200 A 最大浪涌电流:800 A 配置: 恢复时间:2000 ns 正向电压下降:1.25 V 最大反向漏泄电流:300 uA 最大功率耗散: 工作温度范围: 安装风格:SMD/SMT 封装 / 箱体:ISOTOP 封装:Tube |
| DS2-08LA | 制造商:GW Instek 功能描述:LOGIC ANALYZER 8 CHANNEL GDS 制造商:GW Instek 功能描述:LOGIC ANALYZER, 8 CHANNEL, GDS-2000A SER 制造商:GW Instek 功能描述:LOGIC ANALYZER, 8 CHANNEL, GDS-2000A SERIES DSO; Plug Type:(Not Applicable); Accessory Type:Logic Analyzer Module; Features:8-Channel; For Use With:GDS-2000A Series Digital Storage Oscilloscopes ;RoHS Compliant: NA 制造商:GW Instek 功能描述:LOGIC ANALYZER, 8 CHANNEL, GDS-2000A SERIES DSO; Plug Type:-; Accessory Type:Logic Analyzer Module; Features:8-Channel; For Use With:GDS-2000A Series Digital Storage Oscilloscopes ;RoHS Compliant: NA |
| DS209 | 功能描述:烙铁 Weller Cleaner Set For DS2000 RoHS:否 制造商:Weller 产品:Soldering Stations 类型:Digital, Iron, Stand, Cleaner 瓦特:50 W 最大温度:+ 850 F 电缆类型:US Cord Included |
| DS2091-BA-KA-N | 制造商:Illinois Lock 功能描述:MINI SWITCH LOCK 1 KEY PULL |
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