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| 型号： | DS3070W-100# |
| 厂商： | Maxim Integrated |
| 文件页数： | 1/18页 |
| 文件大小： | 0K |
| 描述： | IC NVSRAM 16MBIT 100NS 256BGA |
| 标准包装： | 18 |
| 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 1; 10/06
3.3V Single-Piece 16Mb Nonvolatile SRAM
with Clock
General Description
The DS3070W consists of a static RAM, a nonvolatile
(NV) controller, a year 2000-compliant real-time clock
(RTC), and an internal rechargeable manganese lithium
(ML) battery. These components are encased in a sur-
face-mount module with a 256-ball BGA footprint.
Whenever V CC is applied to the module, it recharges
the ML battery, powers the clock and SRAM from the
external power source, and allows the contents of the
clock registers or SRAM to be modified. When V CC is
powered down or out-of-tolerance, the controller write-
protects the memory contents and powers the clock
and SRAM from the battery. The DS3070W also con-
tains a power-supply monitor output ( RST ), as well as a
user-programmable interrupt output ( IRQ /FT).
Applications
Features
o Single-Piece, Reflowable, 27mm x 27mm BGA
Package Footprint
o Internal Manganese Lithium Battery and Charger
o Integrated Real-Time Clock
o Unconditionally Write-Protects the Clock and
SRAM when V CC is Out-of-Tolerance
o Automatically Switches to Battery Supply when
V CC Power Failures Occur
o Reset Output can be Used as a CPU Supervisor
o Interrupt Output can be Used as a CPU Watchdog
RAID Systems and Servers
POS Terminals
Industrial Controllers
Data-Acquisition Systems
Gaming
Fire Alarms
PLCs
Routers/Switches
Timer
o Industrial Temperature Range (-40°C to +85°C)
o UL Recognized
Ordering Information
PART
DS3070W-100#
TEMP RANGE
-40°C to +85°C
PIN-PACKAGE
256-ball 27mm x 27mm BGA Module
SPEED
100ns
SUPPLY VOLTAGE
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
CS
CE
WE
OE
CS
OR DSP
MICROPROCESSOR
DATA
8 BITS
DQ0–7
DS3070W
2048k x 8
NV SRAM
AND RTC
ADDRESS
INT
INT
Pin Configuration appears at end of data sheet.
21 BITS
A0–20
IRQ/FT
RST
______________________________________________ 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 |
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|---|---|
| DS3070W-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 |
| DS-308 | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Three-Way Power Dividers 1300 MHz |
| DS-308 N | 制造商:M/A-COM Technology Solutions 功能描述:THREE-WAY PWR DIVIDER 10PIN FP-3 - Bulk |
| DS308BNC | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Industrial Control IC |
| DS-308BNC | 制造商:MA-COM 制造商全称:M/A-COM Technology Solutions, Inc. 功能描述:Three-Way Power Dividers 1 - 300 MHz |
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