TLC7701, TLC7725, TLC7703, TLC7733, TLC7705
MICROPOWER SUPPLY VOLTAGE SUPERVISORS
SLVS087K – DECEMBER 1994 – REVISED JULY 1999
functional block diagram
8
CONTROL
1
50
µA
6
VDD
RESET
†
5
RESIN
2
RESET
†
SENSE
7
R1
‡
R2
‡
1 MΩ
1.1 V
3
CT
4
GND
† Outputs are totem-pole configuration. External pullup or pulldown resistors are not required.
‡ Nominal values:
R1 (Typ)
TLC7701
TLC7725
TLC7703
TLC7733
TLC7705
0
600 k
Ω
698 kΩ
750 k
Ω
910 k
Ω
R2 (Typ)
∞
600 k
Ω
502 kΩ
450 k
Ω
290 k
Ω
timing diagram
VDD and VI(SENSE)
VIT+
Threshold Voltages
VIT–
Vres
t
RESET
Output
Output
Undefined
VIT+
POST OFFICE BOX 655303
ÎÎ
ÎÎ
td
td
t
•
DALLAS, TEXAS 75265
3