Datasheet


    
SLVS335C − DECEMBER 2000 − REVISED JANUARY 2007
4
timing diagram
t
t
t
V
(BOK)
V
(SWP)
V
(SWN)
V
(IT)
V
OUT
V
(SWN)
RESET
V
BAT
V
DD
V
BAT
V
DD
V
BAT
V
DD
V
BAT
NOTES: A. MSWITCH = 0, MR
= 1
Terminal Functions
TERMINAL
I/O
DESCRIPTION
NAME NO.
I/O
DESCRIPTION
GND 3 I Ground
MR 7 I Manual reset input
MSWITCH 4 I Manual switch to force device into battery-backup mode
PFI 5 I Power-fail comparator input
PFO 6 O Power-fail comparator output
RESET 9 O Active-low reset output
V
BAT
10 I Backup-battery input
V
DD
2 I Input supply voltage
V
OUT
1 O Supply output
WDI 8 I Watchdog timer input
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