Marantz ST440 - Page 9

• Pin Description
Pin No.
Na me
Functional Description
Remarks
2
ose
One-terminal oscillation-circuit input terminal
for digit signal output.
3
DATA
Receiving frequency data signal input.
CK-1
4,5
CK-2
Timing clock signal input.
Input circuit
6~ 12
A~G
Segment drive signal output.
Built-in high
pressure-resistant
13 ~ 17
T
1
~T
5
Digit signal output terminal.
transistor.
1, 18
Voo
Power supply GND.
GND
• Electrical Characteristics (Unless otherwise specified, V
00
=5V, Ta=25°C)
Characteristic
Symbol
Test
Circuit
Test Condition Min.
Typ. Max. Unit
Operating Supply Voltage
Voo
-
Ta=-30 ~ 75°C
4
5
6
v
Operating Supply Current
loo
-
No load
tose=50kHz
-
0.2 1.0
mA
"H" Level
ViH
-
DATA, CK-1, eK-2 4.0
-
5.3
v
Input Voltage
"L" Level
ViL
-
DATA, CK-1, CK-2 -0.3
-
1.0
v
"H" Level
IIH
-
DATA, CK-1, CK-2, ViW5V
- - ±1 p. A
Input Current
"L" Level
IlL
-
DATA, eK-1, CK-2, V1L=OV
-
-
±1 p. A
Timing Input Frequency
fopr
-
DATA, CK-1, CK-2
-
25 100
kHz
OSe Oscillation Frequency
tose
-
Rx=24KU, Cx=1200pF
-
50 -
kHz
T1 ~Ts. Vow3V
3
5
-
mA
Output Current
loH
1
A~G. VoH=3V 10
15
-
mA
Leak eurrent
loL
-
T
1
~ T5, A~ G, VoL =-27V
- -
±10
p. A
6