ES5129
4-1/2 digit with LCD
Pin Assignment
DIP-40L
OSC1
OSC3
40
1
2
3
4
5
6
7
8
OSC2
DP1
DP2
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
ANNUNC
B1, C1, CONT
A1, G1, D1
F1, E1, DP1
B2, C2, LBAT
A2, G2, D2
F2, E2, DP2
B3, C3, MINUS
A3, G3, D3
F3, E3, DP3
B4, C4, BC5
A4, G4, D4
F4, E4, DP4
BP3
RANGE
DGND
REF_LO
REF_HI
IN_HI
IN_LO
BUFFER
CREF-
CREF+
COMMON
CONTINUITY
CINT
CAZ
V+
V-
HOLD
DP3/UR
9
10
11
12
13
14
15
16
17
18
19
20
BP2
BP1
VDISP
DP4/OR
Pin Description
DIP-40L
Pin No
Symbol
OSC1
Type
Description
1
2
3
4
5
6
7
8
I Input to first clock inverter.
OSC3
O Output of second clock inverter.
O Backplane squarewave output for driving annunctors.
ANNUNC
B1, C1, CONT O Output to LCD segment.
A1, G1, D1
F1, E1, DP1
B2, C2, LBAT
A2, G2 ,D2
O Output to LCD segment.
O Output to LCD segment.
O Output to LCD segment.
O Output to LCD segment.
2
07/03/01
CYRUSTEK [ Cyrustek corporation ]
