PCF1178CT NXP Semiconductors, PCF1178CT Datasheet - Page 10
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PCF1178CT
Manufacturer Part Number
PCF1178CT
Description
Manufacturer
NXP Semiconductors
Datasheet
1.PCF1178CT.pdf
(20 pages)
Specifications of PCF1178CT
Operating Supply Voltage (typ)
3.3/5V
Number Of Digits
4
Operating Temperature (min)
-40C
Operating Temperature (max)
85C
Operating Temperature Classification
Industrial
Package Type
SO
Pin Count
28
Mounting
Surface Mount
Operating Supply Voltage (min)
3V
Operating Supply Voltage (max)
6V
Lead Free Status / Rohs Status
Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
PCF1178CT
Manufacturer:
PHILIPS/飞利浦
Quantity:
20 000
Philips Semiconductors
CHARACTERISTICS
V
frequency tolerance = 30
Note
1. A suitable resistor (R) must be selected (example):
1997 Apr 16
Supply
V
TC
I
C
Oscillator
t
R
C
C
Inputs
R
R
I
t
V
I
Backplane (high and low levels)
R
Segment
R
LCD
V
SYMBOL
DD
DD
osc
IL
d
O2
V
f/f
f/f
DD
PP
offset(DC)
4-digit duplex LCD car clock
EXT
fb
i
o
O
O
BP
SEG
DD
a) V
b) V
c) I
= 3 to 6 V; V
programming voltage
DD
DD
DD
must not exceed 3 mA.
= 5 V; R max. (12 V
= 5 V; R typ. (12 V
supply voltage
supply voltage variation
supply voltage variation due
to temperature
supply current
capacitance
start time
frequency deviation
frequency stability
feedback resistance
input capacitance
output capacitance
pull-up resistance
pull-up/pull-down resistance
leakage current
debounce time
output current
output resistance
output resistance
DC offset voltage
SS
= 0 V; T
PARAMETER
amb
10
= 40 to +85 C; crystal: f = 4.194304 MHz; R
6
5 V)/900 A = 7.8 k (more reserve).
; unless otherwise specified.
5 V)/700 A = 10 k .
voltage regulator programmed
to 4.5 V at T
S1 or S2 closed
V
note 1
external capacitor
nominal n = 0
S1, S2, TS, SEL and DATA
MODE
ENABLE, FLASH
S1 and S2 only
V
during programming
200 k /1 nF
100 A
100 A
V
DD
PP
DD
= V
= 4.5 V
= 100 mV
DD
CONDITIONS
amb
5 V
10
= 25 C
s
3
700
47
0
300
45
100
30
70
MIN.
= 50 ; C
950
60
1000
16
27
90
300
65
500
0.35
16
L
TYP.
= 12 pF; maximum
10
6
Product specification
6
50
200
110
1
3000
180
1000
2
100
700
3
5
50
PCF1178C
MAX.
10
10
6
6
V
mV
%/K
mV/K
ms
k
pF
pF
k
k
ms
k
k
mV
UNIT
A
F
A
A
A