LTC690IS8#PBF Linear Technology, LTC690IS8#PBF Datasheet - Page 18

• Manufacturer Part Number: LTC690IS8#PBF
• Description: IC MPU SUPERVISORY CIRCUIT 8SOIC
• Manufacturer: Linear Technology
• Type: Simple Reset/Power-On Resetr

Specifications of LTC690IS8#PBF

• Number Of Voltages Monitored: 1
• Output: Open Drain or Open Collector
• Reset: Active Low
• Reset Timeout: 35 ms Minimum
• Voltage - Threshold: 4.65V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (3.9mm Width)
• Number Of Elements: 1
• Monitored Voltage 1 (typ): 4.65V
• Battery Backup Switching: Yes
• Watchdog Timer: Yes
• Chip Enable Signals: Yes
• Reset Active Time: 70ms
• Manual Reset: No
• Package Type: SOIC N
• Operating Supply Voltage (min): 4.75V
• Operating Supply Voltage (max): 5.5V
• Reset Threshold Voltage (max): 4.75V
• Reset Threshold Voltage (min): 4.5V
• Family Name: LTC690
• Power Dissipation: 500mW
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Power Fail Detection: Yes
• Mounting: Surface Mount
• Pin Count: 8
• Supply Current: 1.5mA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

LTC690/LTC691
LTC694/LTC695
TYPICAL APPLICATION
RELATED PARTS
PART NUMBER
LTC1326
LTC1536
18
R1
10k
R2
30k
1
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
Capacitor Back-Up with 74HC4016 Switch
74HC4016
7
10
DESCRIPTION
Micropower Precision Triple Supply Monitor
Micropower Triple Supply Monitor for PCI Applications
11
12
●
14
13
100μF
0.1μF
FAX: [phone]
5V
2
+
V
V
CC
BATT
LTC691
LTC695
GND
LOW⎯ LINE
●
www.linear.com
V
OUT
LTC690 TA03
0.1μF
0.1μF
5V
3V
COMMENTS
4.725V, 3.118V, 1V Thresholds (± 0.75%)
Meets PCI t
V
V
CC
BATT
FAIL
LTC691
LTC695
GND
Write Protect for Additional RAMs
LOW⎯ LINE
Timing Specifications
CE OUT
CE IN
V
OUT
CS⎯A
20ns PROPAGATION
DELAY
© LINEAR TECHNOLOGY CORPORATION 1992
+
10μF
OPTIONAL CONNECTION FOR
ADDITIONAL RAMs
CS⎯ B
CS⎯ C
LT 0410 REV E • PRINTED IN USA
0.1μF
0.1μF
0.1μF
CS
V
V
CS⎯ 1
CS2
V
CS⎯ 1
CS2
CC
RAM A
CC
RAM B
CC
62128
RAM C
62512
62128
690 TA04
690fe