RNA51943A_15 Datasheet, PDF (1/7 Pages) Renesas Technology Corp – Voltage Detecting, System Resetting IC Series

Preliminary Datasheet
RNA51943A, B
Voltage Detecting, System Resetting IC Series
R03DS0024EJ0400
Rev.4.00
Jul 03, 2012
Description
RNA51943A,B are semiconductor integrated circuits designed for detecting supply voltage and resetting all types of
logic circuits such as CPUs.
They fined extensive applications, including battery checking circuit, level detecting circuit and waveform shaping
circuit.
Features
 Few external parts
 Wide supply voltage range: 2 V to 17 V
 Wide application range
 Ordering Information
Part Name
Package Type Package Code
RNA51943AUPH1
RNA51943BUPH1
UPAK
UPAK
PLZZ0004CA-A
PLZZ0004CA-A
Package
Abbreviation
UP
UP
Taping Abbreviation
(Quantity)
H (1,000 pcs / Reel)
H (1,000 pcs / Reel)
Surface
Treatment
1 (Sn-Bi)
1 (Sn-Bi)
Application
 Reset circuit of Pch, Nch, CMOS, microcomputer, CPU and MCU, Reset of logic circuit, Battery check circuit,
switching circuit back-up voltage, level detecting circuit, waveform shaping circuit, delay waveform generating
circuit, DC/DC converter, over voltage protection circuit
Recommended Operating Condition
 Supply voltage range: 2 V to 17 V
Outline and Article Indication
• RNA51943A, B
43A
43B
Part No.
UPAK
Y MW
Y MW
W: Week Code
M: Month Code
Y: Year Code
R03DS0024EJ0400 Rev.4.00
Jul 03, 2012
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