參數(shù)資料
型號(hào)： 935001490118
廠商： NXP SEMICONDUCTORS
元件分類： 時(shí)鐘及定時(shí)
英文描述： LCD CLOCK, PDSO40
封裝： PLASTIC, SOT-158-2, VSOP-40
文件頁(yè)數(shù)： 12/18頁(yè)
文件大?。?/td> 134K
代理商： 935001490118
1997 Apr 16
3
Philips Semiconductors
Product specication
31/2-digit LCD car clock
PCF1172C
PINNING
SYMBOL
PIN
DESCRIPTION
OSC OUT
1
oscillator output
OSC IN
2
oscillator input
S1
3
set hour
S3
4
±2 minute correction
BP
5
64 Hz backplane driver
(common of LCD)
PM
6
segment output for PM annunciator
AM
7
segment output for AM annunciator
E2
8
segment driver
D2
9
segment driver
C2
10
segment driver
E3
11
segment driver
D3
12
segment driver
C3
13
segment driver
E4
14
segment driver
D4
15
segment driver
C4
16
segment driver
B4
17
segment driver
S2
18
set minutes
S4
19
internal voltage regulation
VSS
20
negative supply
S6
21
selectable correction mode
n.c.
22
not connected
VDD
23
positive supply
A4
24
segment driver
F4
25
segment driver
G4
26
segment driver
B3
27
segment driver
A3
28
segment driver
F3
29
segment driver
G3
30
segment driver
P1, P2
31
colon ashing
P3, P4
32
colon static
B2
33
segment driver
A2
34
segment driver
F2
35
segment driver
G2
36
segment driver
B1, C1
37
segment driver
TR
38
test reset; connect to (VDD)
TS
39
test speed-up; connect to (VDD)
(VDD)
40
positive supply for test and oscillator
inputs
SYMBOL
PIN
DESCRIPTION
Fig.1 Pin configuration, PCF1172CT, (VSO40).
1
2
3
4
5
6
7
8
9
10
11
12
13
40
39
38
37
36
35
34
33
32
31
30
29
28
27
14
15
16
17
18
19
20
21
22
23
24
25
26
PCF1172CT
OSC OUT
OSC IN
S1
S3
BP
PM
AM
E2
D2
C2
E3
D3
C3
E4
D4
C4
B4
S2
S4
VSS
S6
n.c.
A4
F4
G4
B3
A3
F3
G3
P1, P2
P3, P4
B2
A2
F2
G2
B1, C1
TR
TS
VDD
DD
(V
)
MSA986
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