參數(shù)資料
型號： DS1200
英文描述： Serial RAM Chip
中文描述： 串行RAM芯片
文件頁數(shù)： 1/7頁
文件大?。?/td> 228K
代理商： DS1200
1 of 7
092702
FEATURES
1024 Bits of Read/Write Memory
Low Data Retention Current for Battery
Backup Applications
Four Million Bits/Second Data Rate
Single-Byte or Multiple-Byte Data Transfer
Capability
No Restrictions on the Number of Write
Cycles
Low-Power CMOS Circuitry
APPLICATIONS
Software Authorization
Computer Identification
System Access Control
Secure Personnel Areas
Calibration
Automatic System Setup
Traveling Work Record
PIN ASSIGNMENT
PIN DESCRIPTION
V
CC
RST
DQ
CLK
GND
V
BAT
NC
- +5V
- Reset
- Data Input/Output
- Clock
- Ground
- Battery (+)
- No Connection
DESCRIPTION
The DS1200 serial RAM chip is a miniature read/write memory that can randomly access individual
8-bit strings (bytes) or sequentially access the entire 1024-bit contents (burst). Interface cost to a
microprocessor is minimized by on-chip circuitry, which permits data transfers with only three signals:
CLK, RST, and DQ.
Nonvolatility can be achieved by connecting a battery of 2V to 4V at the battery input V
BAT.
A load of
0.5
should be used to size the external battery for the required data retention time. If nonvolatility is
not required the V
BAT
pin should be grounded.
16-Pin SO (300mil)
See Mech. Drawings Section
DS1200
Serial RAM Chip
www.maxim-ic.com
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
DS-1200 制造商:UNITEQ CORPORAT 功能描述:200MHz 2-Channel USB Digital Storage Oscilloscope 制造商:UNITEQ CORPORAT 功能描述:SCOPE,200MHz,2 CHANNEL,COLOR, 1GS/s,DIGITAL,USB,RS232C,1MB
DS1200_09 制造商:EMERSON-NETWORKPOWER 制造商全稱:Emerson Network Power 功能描述:1200 Watts Distributed Power System
DS1-20-0001 功能描述:固定電感器 DS Storage choke 0.63A RoHS:否 制造商:AVX 電感:10 uH 容差:20 % 最大直流電流:1 A 最大直流電阻:0.075 Ohms 工作溫度范圍:- 40 C to + 85 C 自諧振頻率:38 MHz Q 最小值:40 尺寸:4.45 mm W x 6.6 mm L x 2.92 mm H 屏蔽:Shielded 端接類型:SMD/SMT 封裝 / 箱體:6.6 mm x 4.45 mm
DS1-20-0002 功能描述:固定電感器 DS Storage choke 1.4A RoHS:否 制造商:AVX 電感:10 uH 容差:20 % 最大直流電流:1 A 最大直流電阻:0.075 Ohms 工作溫度范圍:- 40 C to + 85 C 自諧振頻率:38 MHz Q 最小值:40 尺寸:4.45 mm W x 6.6 mm L x 2.92 mm H 屏蔽:Shielded 端接類型:SMD/SMT 封裝 / 箱體:6.6 mm x 4.45 mm
DS1-20-0003 功能描述:固定電感器 DS Storage choke 3.15A RoHS:否 制造商:AVX 電感:10 uH 容差:20 % 最大直流電流:1 A 最大直流電阻:0.075 Ohms 工作溫度范圍:- 40 C to + 85 C 自諧振頻率:38 MHz Q 最小值:40 尺寸:4.45 mm W x 6.6 mm L x 2.92 mm H 屏蔽:Shielded 端接類型:SMD/SMT 封裝 / 箱體:6.6 mm x 4.45 mm
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