DS2406 Maxim, DS2406 Datasheet - Page 18

• Manufacturer Part Number: DS2406
• Description: The DS2406 Dual Addressable Switch Plus Memory offers a simple way to remotely control a pair of open drain transistors and to monitor the logic level at each transistor's output via the 1-Wire® bus for closed loop control
• Manufacturer: Maxim

DS2406 EQUIVALENT CIRCUIT Figure 11
BUS MASTER CIRCUIT Figure 12
The interface is reduced to the
The diode and programming circuit are not required if one does not intend to program the EPROM cells.
V
V
DS5000 OR 8051-
EQUIVALENT
DD
DD
5 µA
RX
TX
Typ.
DATA
1-Wire Interface
BUS MASTER
B) Standard TTL
BUS MASTER
A) Open Drain
Ground
TTL-Equivalent
Open Drain
Port Pins
Port Pin
RX
TX
MOSFET
100 Ω
5k Ω
PGM
RX
V PUP
TX
V PUP
pull-up resistor if one does not intend to program the EPROM cells.
5 k Ω
5 k Ω
S
2N7000
2N7000
5 k Ω
10 k Ω
(10 mA min.)
D
1-Wire DATA
12V
18 of 32
from PIO-
Control
D
S
PROGRAMMING PULSE
to PIO-
Control
2N7000
S
D
to data connection
of DS2406
10 k Ω
470 pF
Activity
12V
Latch
Flip-Flop
Capacitor added to reduce
coupling on data line due to
programming signal switching
Channel
D Q
Reset
D
Q
Q
S
R
PIO Channel
Q
D
VP0106N3
VP0300L
BSS110
"1"
OR
OR
to data connection
of DS2406
Detector
Edge
Ground
PIO
10 M Ω
Typ.