Pioneer PDP-506PG - M62334 FP (HD DIGITAL ASSY: IC3157) - 8-bit 4 ch I2 C Bus D-A Converter with Buffer Amplifier; TC74 VHC123 AFTS1 (HD DIGITAL ASSY: IC3160) - Dual Monostable Multivibrator;AFN;AFT Retriggerble

PDP-506PE
90
1234
1234
C
D
F
A
B
E
VCC SCL SDA GND
AO4AO3AO2AO1
POWER ON
RESET
8bit Latch
8bit Upper
Segment R-2R
CHANNEL
DECODER
I2C BUS TRANSCEIVER
1
8
M62334FP (HD DIGITAL ASSY : IC3157)
• 8-bit 4ch I2C Bus D-A Converter with Buffer Amplifier
Pin Arrangement (Top view)
TC74VHC123AFTS1 (HD DIGITAL ASSY : IC3160)
• Dual Monostable Multivibrator/AFN/AFT Retriggerble
Pin Arrangement (Top view)
Truth Table
Block Diagram
Pin Function
AO1
1
AO2
2
AO3
3
AO4
GND
SDA
SCL
VCC
4
8
7
6
5
1A
1
Vcc
16
1B
2
1Rx/Cx
15
1CLR
3
1Cx
14
1Q
4
1Q
13
2Q
5
2Q
12
2Cx
6
2CLR
11
2Rx/Cx
7
2B
10
GND
8
2A
9
8
8bit Latch
8bit Upper
Segment R-2R
2
8bit Latch
8bit Upper
Segment R-2R
3
7 6
8bit Latch
8bit Upper
Segment R-2R
4
5
No. Pin Name Pin Function
1 AO1
8-bit resolution D-A converter output
2 AO2
3 AO3
4 AO4
5 GND Ground
6 SDA Serial data input
7 SCL Serial clock input
8 VCC Power supply
Inputs Outputs
Note
ABCLR Q Q
HH Output enable
X LHLHInhibit
HXHLHInhibit
LH Output enable
LH Output enable
XXLLHReset
X: Don't care