M51957BL#TF0J Renesas Electronics America, M51957BL#TF0J Datasheet - Page 9

• Manufacturer Part Number: M51957BL#TF0J
• Description: IC VOLTAGE DETECTOR 5-SIP
• Manufacturer: Renesas Electronics America
• Type: Simple Reset/Power-On Resetr

Specifications of M51957BL#TF0J

• Number Of Voltages Monitored: 1
• Output: Open Drain or Open Collector
• Reset: Active Low
• Reset Timeout: 1.6 ms Minimum
• Voltage - Threshold: 1.25V
• Operating Temperature: -30°C ~ 85°C
• Mounting Type: Through Hole
• Package / Case: 5-SIP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: Q4596265

M51957A,B/M51958A,B
Delay Waveform Generating Circuit
When M51957 and M51958 are used, a waveform with a large delay time can generate only by adding a small capacitor.
Operating Waveform
REJ03D0778-0300 Rev.3.00 Sep 18, 2007
Page 7 of 13
(a) M51957
Input
(V
pressure)
Output
CC
partial
td
Figure 3 Delay Waveform Generating Circuit
R
R
1
2
Input
Figure 4 Operating Waveform
M51957 or M51958
GND
td ≈ 0.34 × Cd(pF) µs
Power-supply
(b) M51958
Input
(V
pressure)
Output
CC
Cd
Delay capacitor
partial
Output
td