PCF1171CU Philips Semiconductors, PCF1171CU Datasheet - Page 6

• Manufacturer Part Number: PCF1171CU
• Description: 4-digit LCD car clock
• Manufacturer: Philips Semiconductors

Philips Semiconductors
CHARACTERISTICS
V
specified.
Notes
1. The current I
2. For correct operation of the oscillator: V
1997 Apr 16
Supply
V
I
I
r
Oscillator (pins 1 and 2) (see note 2)
t
R
C
C
Switches S1, S2 and S3 (pins 18, 3 and 4) and test inputs, TS, TR (pins 38 and 39)
I
t
R
R
f
V
SYMBOL
DD
REG
DD
osc
i
d
BP
o
f/f
DD
offset(DC)
4-digit LCD car clock
fb
i
o
S
BP
osc
= 5 V; V
SS
supply voltage
regulation current with
internal regulation
current consumption
differential internal impedance I
start time
frequency stability
feedback resistance
input capacitance
output capacitance
input current
debounce time
segment driver output
resistance
backplane driver output
resistance
backplane driver output
frequency
LCD DC offset voltage
external regulation
internal regulation
= 0 V; T
EXT
= I
PARAMETER
amb
REG
= 40 to +85 C; crystal: f = 4.194304 MHz; R
+ I
DD
+ 2
I
i
(+ LCD current).
DD
I
all switches open; without LCD;
internal regulation
disconnected; note 1
with inputs connected to V
I
I
R
REG
REG
L
L
V
L
= 50 A
= 250 A
DD
= 200 k ; C
3 V.
= 1 mA
= 1 mA
= 100 mV
CONDITIONS
6
L
= 1 nF
SS
s
= 50 ; C
3
4
0.2
50
0.1
19
50
32
MIN.
L
= 12 pF; unless otherwise
5
400
0.2
24
150
1
0.2
64
TYP.
10
6
Product specification
6
6
5
700
150
200
1
1
9
29
500
150
2.5
0.5
PCF1171C
50
MAX.
10
6
V
V
mA
ms
M
pF
pF
ms
k
k
Hz
mV
UNIT
A
A