m62009fp Renesas Electronics Corporation., m62009fp Datasheet

m62009fp

Manufacturer Part Number

m62009fp

Description

Low Power 2 Output System Reset Ic With External Input

Manufacturer

Renesas Electronics Corporation.

Datasheet

1.M62009FP.pdf (7 pages)

Current page: 1 of 7
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M62009L/P/FP

Low Power 2 Output System Reset IC with External Input

Description

As applications for microcomputers are increasing, a desire has arisen for a RAM backup function. Let us introduce

Renesas new low power dissipation, high-performance system reset IC, which is suitable for such RAM backup.

The M62009, which is a low power dissipation 2-output microcomputer system reset IC, is a 2-output system reset IC

which provides for RAM backup in microcomputers, and reduces power dissipation by using the Bi-CMOS process.

The M62009 considerably reduces the number of components in the reset circuit.

The M62009 performs two-step detection of normal supply voltage and backup supply voltage required for backup

mode. When the supply voltage is switched from normal supply voltage to backup supply voltage the interruption

output, which is one of the two outputs, gives the interruption signal to a microcomputer, in this way, the

microcomputer reduces power dissipation and enters in the backup mode. If the backup supply voltage goes lower than

the voltage required for backup, the reset output (RESET output) which is different from the INT output gives the reset

signal (forced reset) to the microcomputer. The interruption signal from the INT output recovers the microcomputer

from the backup mode. To recover from reset, RESET output is canceled when the specified interval of time (delay

time) elapses after the signal is given from the INT output.

Features

• Bi-CMOS process realizes a configuration of low current dissipating circuits.

• Two-step detection of supply voltage

• Two outputs (open drain type)

• Three types of outline packages

• Output based on RAM backup mode (see the timing chart)

Application

• Prevention of errors in microcomputer system in electronic equipment that requires RAM backup, such as office,

Rev.1.00 Sep 14, 2005 page 1 of 6

Reset output (RESET): Forced reset signal output

Interruption output (INT): Output of the signal for interruption processing (output of the switching signal for

backup mode)

8-pin plastic SIP (single in-line package)

8-pin plastic DIP (dual in-line package)

8-pin plastic SOP (mini flat package)

industrial, and home-use equipment.

CC1

CC2

Free setup

(RESET):

S1-1

S1-2

(INT):

= 7 µA (Typ, normal mode, V

= 5 µA (Typ, backup mode, V

= 1 µA (Typ, backup mode, V

= 4.0 V (Typ, increase of V

= 2.0 V (Typ, decrease of V

CC1

)

= V

= 5.0 V)

= 2.5 V)

CC2

= 5.0 V)

REJ03D0782-0100

Sep 14, 2005

Rev.1.00

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m62009fp Summary of contents

Page 1

M62009L/P/FP Low Power 2 Output System Reset IC with External Input Description As applications for microcomputers are increasing, a desire has arisen for a RAM backup function. Let us introduce Renesas new low power dissipation, high-performance system reset IC, which ...

Page 2

... GND NC: No Connection INT Package: PRDP0008AA-A (8P4): P PRSP0008DA-A (8P2S-A CC2 V 1 CC1 7 V 4.0V (Typ) detection S1-1 V 2.0V (Typ) detection S1-2 Bias circuit + Delay circuit – – 1.28V (Typ GND M62009P M62009FP CC1 6 Cd RESET 5 (Top view) RESET INT ...

Page 3

M62009L/P/FP Absolute Maximum Ratings Item Symbol Supply voltage V CC Output sink current Isink Power dissipation Pd Thermal derating Kθ Operating temperature Topr Storage temperature Tstg Electrical Characteristics Item Symbol Detection voltage V S1-1 V S1-2 Reference voltage V S2 ...

Page 4

M62009L/P/FP Operating Description CC2 INT ( CC1 RESET t d (3) (1 (increase of V CC2 SH (2 (decrease of V CC2 SL (3): Delay time obtained from V ...

Page 5

M62009L/P/FP Package Dimensions 8P5 EIAJ Package Code JEDEC Code SIP8-P-340-2.54 — SEATING PLANE JEITA Package Code RENESAS Code P-DIP8-6.3x8.84-2.54 PRDP0008AA Rev.1.00 Sep 14, 2005 page 5 ...

Page 6

M62009L/P/FP JEITA Package Code RENESAS Code P-SOP8-4.4x5-1.27 PRSP0008DA Index mark * Rev.1.00 Sep 14, 2005 page Previous Code MASS[Typ.] 8P2S-A 0.07g NOTE) 1. DIMENSIONS "*1" AND ...

Page 7

Keep safety first in your circuit designs! 1. Renesas Technology Corp. puts the maximum effort into making semiconductor products better and more reliable, but there is always the possibility that trouble may occur with them. Trouble with semiconductors may lead ...

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