RNA51951A_15 Datasheet, PDF (1/10 Pages) Renesas Technology Corp – Voltage Detecting, System Resetting IC Series

Preliminary Datasheet
RNA51951A, B
Voltage Detecting, System Resetting IC Series
R03DS0003EJ0400
Rev.4.00
Jul 03, 2012
Description
RNA51951A,B are semiconductor integrated circuits designed for detecting supply voltage and resetting all types of
logic circuits such as CPUs.
They include a built-in delay circuit to provide a retardation time (200 s Typ).
They fined extensive applications, including battery checking circuit, level detecting circuit and waveform shaping
circuit.
Features
 Few external parts
 Low threshold operating voltage (Supply voltage to keep low-state at low supply voltage):
0.6 V (Typ) at RL = 22 k
 Wide supply voltage range: 2 V to 17 V
 Wide application range
 Ordering Information
Part Name
Package Type Package Code
Package Taping Abbreviation
Abbreviation
(Quantity)
RNA51951AFPH0
SOP-8 pin
PRSP0008DE-C
FP
H (2,500 pcs / Reel)
RNA51951APT0
DIP-8 pin
PRDP0008AF-B
P
T (1,000 pcs / Box)
RNA51951AUPH1
UPAK
PLZZ0004CA-A
UP
H (1,000 pcs / Reel)
RNA51951BFPH0
SOP-8 pin
PRSP0008DE-C
FP
H (2,500 pcs / Reel)
RNA51951BPT0
DIP-8 pin
PRDP0008AF-B
P
T (1,000 pcs / Box)
RNA51951BUPH1
UPAK
PLZZ0004CA-A
UP
H (1,000 pcs / Reel)
Surface
Treatment
0 (Ni/Pd/Au)
0 (Ni/Pd/Au)
1 (Sn-Bi)
0 (Ni/Pd/Au)
0 (Ni/Pd/Au)
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
R03DS0003EJ0400 Rev.4.00
Jul 03, 2012
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