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| 型号： | LTC694IS8#PBF |
| 厂商： | Linear Technology |
| 文件页数： | 20/20页 |
| 文件大小： | 0K |
| 描述： | IC MPU SUPERVISORY CIRCUIT 8SOIC |
| 标准包装： | 100 |
| 类型： | 简单复位/加电复位 |
| 监视电压数目： | 1 |
| 输出： | 开路漏极或开路集电极 |
| 复位： | 高有效/低有效 |
| 复位超时： | 最小为 140 ms |
| 电压 - 阀值： | 4.65V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 8-SOIC |
| 包装： | 管件 |
LTC690/LTC691
LTC694/LTC695
TYPICAL APPLICATION
Capacitor Back-Up with 74HC4016 Switch
Write Protect for Additional RAMs
74HC4016
R1
10k
R2
30k
1
5V
0.1μF
10 11 12 14
2
7 13
100μF
+
V CC
V BATT
V OUT
LTC691
LTC695
LOW?LINE
GND
0.1μF
5V
0.1μF
3V
V CC
V BATT
V OUT
LTC691
LTC695
CE OUT
CE IN
LOW?LINE
GND
+
10μF
20ns PROPAGATION
DELAY
CS?A
0.1μF
V CC
62512
RAM A
CS
LTC690 TA03
CS?B
0.1μF
V CC
62128
RAM B
CS?1
CS2
CS?C
0.1μF
V CC
62128
RAM C
CS?1
CS2
OPTIONAL CONNECTION FOR
ADDITIONAL RAMs
690 TA04
RELATED PARTS
PART NUMBER DESCRIPTION
COMMENTS
Microprocessor Supervisory Circuit
Microprocessor Supervisory Circuit
Microprocessor Supervisory Circuit
Micropower Precision Triple-Supply Monitor
Micropower Triple-Supply Monitor for PCI
Applications
Single UV/OV Voltage Monitor
Voltage Supervisor with 27 Selectable Thresholds
Voltage Supervisor with 9 Selectable Thresholds
Voltage Supervisor with 27 Selectable Thresholds
and Watchdog Timer
4.65V Threshold, Watchdog Timer
4.62V, 4.37V Thresholds, Watchdog Timer, Manual Reset
4.65V Threshold, Watchdog Timer, Power-Fail Warning, Manual Reset,
RAM Protect
4.725V, 3.118V, 1V Thresholds (±0.75%)
Meets PCI t FAIL Timing Specifications
Resistor Programmable Thresholds, UV/OV Outputs, Shunt Regulator
9 Pin-Selectable Thresholds, 3 Tolerances, 1.5V to 5.5V Supply
9 Pin-Selectable Thresholds, 1.5V to 5.5V Supply, Manual Reset
9 Pin-Selectable Thresholds, 3 Tolerances, 1.5V to 5.5V Supply,
Adjustable Watchdog Timer
Voltage Supervisor with 9 Selectable Thresholds and 9 Pin-Selectable Thresholds, 1.5V to 5.5V Supply, Manual Reset,
Watchdog Timer Adjustable Watchdog Timer
Ultralow Power Adjustable Supervisor with
Power-Fail Output
Ultralow Power Adjustable Supervisor with
Power-Fail Output
Resistor Programmable Thresholds, 500nA Quiescent Current, 1.6V to 5.5V
Supply, Power-Fail Warning, Manual Reset
8 Pin-Selectable Thresholds, 500nA Quiescent Current, Power-Fail Warning,
Manual Reset
690ff
1630 McCarthy Blvd., Milpitas, CA 95035-7417 Formore(408)432-1900 ● FAX:(408)434-0507 www.linear.com/690 ●
20 Linear Technology Corporation information www.linear.com/690
LT 0313 REV F ? PRINTED IN USA
? LINEAR TECHNOLOGY CORPORATION 1992
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