PCF1171C View Datasheet(PDF) - Philips Electronics
Part Name
Description
MFG CO.
'PCF1171C' PDF : 16 Pages View PDF
Philips Semiconductors
4-digit LCD car clock
APPLICATION INFORMATION
Product specification
PCF1171C
battery
R = 4.7 kΩ to 8.2 kΩ
I EXT
C T = 5 pF to 25 pF 4.19 MHz
S6
selectable
correction mode
S5
12/24 hour mode
VDD
VSS
VDD
VSS
S3
2 minutes correction
S2
set minutes
S1
set hour
S6
S5
S3
S2
S1
VDD TR TS
23 38 39
21
OSC
(VDD ) IN
40
2
OSC
OUT
1
I REG
22
I DD 2 Ii
SHUNT
VOLTAGE
REGULATOR
4
18
PCF1171C
3
19
S4
internal voltage S4
regulation
20
VSS
(1) Only required if internal regulation is disconnected.
From pin 2 (OSC IN) to any other pin the stray capacitance should not exceed 2 pF.
Fig.5 Typical application diagram.
33 µF to
100 µF
(1)
segment
drivers
to LCD
MSA982
1997 Apr 16
9
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