ASM692ACSA datasheet(10/13 Pages) ALSC

Part #	ASM692ACSA

Description	UP Power Supply Supervisor With Battery Backup Switch

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Manufacturer	ALSC [Alliance Semiconductor Corporation]

Direct Link	https://www.alliancememory.com

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Notice: The information in this document is subject to change without notice

ASM690A / 692A

ASM802L / 802M

ASM805L

µP Power Supply Supervisor With Battery Backup Switch

rev 1.0

October 2003

Reset Threshold

Hysteresis

40

mV

Reset Pulse Width

tRS

140

200

280

ms

Reset Output Volt-

age

ISOURCE = 800µA

VCC - 1.5

V

ISINK = 3.2mA

0.4

ASM69_AC, ASM802_C, VCC=1.0V,

ISINK=50µA

0.3

ASM69_AE, ASM802_E, VCC=1.2V,

ISINK=100µA

0.3

ASM805LC, ISOURCE=4µA, VCC = 1.1V

0.8

ASM805LE, ISOURCE=4µA, VCC = 1.2V

0.9

ASM805L, ISOURCE=800µA

VCC - 1.5

ASM805L, ISINK=3.2mA

0.4

Watchdog Timeout

tWD

1.00

1.60

2.25

sec

WDI Pulse Width

tWP

VIL = 0.4V, VIH = 0.8VCC

50

ns

WDI Input Current

WDI = VCC

50

150

µA

WDI = 0V

-150

-50

µA

WDI Input Thresh-

old

(Note 3)

VCC = 5V, Logic LOW

0.8

V

PFI Input Thresh-

old

ASM69_A,ASM805L, VCC = 5V

1.20

1.25

1.30

V

ASM802_C/E, VCC = 5V

1.225

1.250

1.275

PFI Input Current

-25

0.01

25

nA

PFO Output Volt-

age

ISOURCE = 800µA

VCC - 1.5

V

ISINK = 3.2mA

0.4

Parameter

Symbol

Conditions

Min

Typ

Max

Unit

Notes:

1. If VCC or VBATT is 0V, the other must be greater than 2.0V.

2. Battery charging-current is “-”. Battery discharge current is “+”.

3. WDI is guaranteed to be in an intermediate level state if WDI is floating and VCC is within the operating voltage range. WDI

input impedance is 50 k

Ω. WDI is biased to 0.3VCC.

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