Datasheet

5Maxim Integrated
DS2483
Single-Channel 1-Wire Master
with Adjustable Timing and Sleep Mode
Pin Configurations
Pin Description
PIN
NAME FUNCTION
TDFN-EP SOT23
1 3 SCL
I
2
C Serial-Clock Input. Must be connected to the I
2
C bus supply voltage through a pullup
resistor.
2 2 SDA
I
2
C Serial-Data Input/Output. Must be connected to the I
2
C bus supply voltage through a pul-
lup resistor.
3 1 SLPZ
Power Supply for I
2
C Port and Active-Low Control Input to Activate the Low-Power Sleep
Mode. This pin can be driven directly by a push-pull port or by an open-drain port with a
2.2kI pullup resistor to the I
2
C voltage (V
CI2C
) over the entire operating voltage range.
4, 5 — N.C. No Connection. Not internally connected.
6 6 V
CC
Power-Supply Input
7 5 IO Input/Output Driver for 1-Wire Line
8 4 GND Ground Reference
— — EP
Exposed Pad (TDFN Only). Solder evenly to the board’s ground plane for proper operation.
Refer to Application Note 3273: Exposed Pads: A Brief Introduction for additional information.
1
+
3
4
8
6
5
GND
V
CC
N.C.
2
7
IO
SLPZ
EP
N.C.
SDA
SCL
TDFN
(2mm x 3mm)
TOP VIEW
SOT23
TOP VIEW
“rr” = REVISION CODE
DS2483
SDA SCL
1
SLPZ
23
GND
6
V
CC
5
IO
+
4
DS2483
+
+
TOP MARK
TOP MARK
3Grr
2483
YMrr