R03DS0022EJ0300 Rev.3.00

Page 1 of 6

Jun 26, 2013

RNA53A27F

System Organizer IC for Dedicate Microcomputer

Description

RNA53A27F is reset function and reference voltage output for microcontroller has been installed.

Provide support for Renesas MCU operation.

Features

• Reset detection voltage: 2.745 V ± 1%

• Standard voltage: 3.050 V ± 0.8%

• Delay time: 50,100 ms (fine regulation by resistance is possible)

• Corresponds to manual reset

• Sleep mode is installed

Ordering Information

Part Name

Package Type

Package Code

Package

Abbreviation

Taping Abbreviation

(Quantity)

Surface

Treatment

RNA53A27FUSH1

SSOP-8

PVSP0008KA-A

US

H (3,000 pcs/reel)

1 (Sn/Bi)

Application

• Power supply voltage monitoring for microprocessors

• Computers and notebook computers

• Digital still camera, digital video camera, and PDA

Block Diagram

72

1

38

4

6

5

+

–

VDD

ROSC

R1

R2

I1

Vref

R4

50 ms

100 ms

R3

Comp1

+

–

OP1

S0

GND

VREFO

VOUT

MR

SLP

I2

I3

Delay

circuit

Oscillator

R

R

R03DS0022EJ0300

Rev.3.00

Jun 26, 2013