M51954B RENESAS [Renesas Technology Corp], M51954B Datasheet - Page 2
M51954B
Manufacturer Part Number
M51954B
Description
Voltage Detecting, System Resetting IC Series
Manufacturer
RENESAS [Renesas Technology Corp]
Datasheet
1.M51954B.pdf
(11 pages)
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M51953A,B/M51954A,B
Block Diagram
Operating Waveform
REJ03D0776-0200 Rev.2.00 Aug 20, 2007
Page 2 of 10
R1
R2
4.25V
0.65V
H
L
Output
undefined
1.25V
Power-
supply
–
+
GND
M51953A, B
5µA
Typ
Delay capacitor
M51953A, B
td ≈ 0.34 × Cd(pF) µs
td
–
A: Built-in Load
B: Open Collector
25µA
Typ
td
Output
t
t
R1
R2
4.25V
1.25V
H
L
Power-
supply
–
+
GND
M51954A, B
5µA
Typ
Delay capacitor
M51952A, B
td ≈ 0.34 × Cd(pF) µs
td
A: Built-in Load
B: Open Collector
+
25µA
Typ
td
Output
t
t
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