DS3900K# Maxim Integrated Products, DS3900K# Datasheet - Page 2

• Manufacturer Part Number: DS3900K#
• Description: Power Management Modules & Development Tools 2-WIRE BUS INTERFACE NTERFACE EV KIT ROHS
• Manufacturer: Maxim Integrated Products

Specifications of DS3900K#

• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

RECOMMENDED OPERATING CHARACTERISTICS
(V
Serial Communications Module
For Evaluation Kits
Note 1: All voltages listed are with respect to ground.
Note 2: Devices are only functionally tested; all of the DC parametric values listed are designed parameters.
2
Supply Voltage
Input Logic 0
Input Logic 1
Supply Current
RS232 Baud Rate
CC
_____________________________________________________________________
= 3.0V to 5.5V, T
P1, P2, P4 TO P9
RESET (N.C.)
P3/PULSE
PARAMETER
GND
V
PIN
P10
P11
CC
A
= +25°C.)
General-purpose bit I/O with tristate I/O pin (input, totem-pole output driver)
Pulse or general-purpose bit I/O with open-drain I/O pin (input, open-drain output driver)
SCL (open-drain output when used as SCL) or general-purpose bit I/O with tristate I/O pin (input,
totem-pole output driver)
SDA (open-drain output or input when used as SDA) or general-purpose bit I/O with tristate I/O pin
(input, totem-pole output driver)
Do not connect (reset for microprocessor). This pin is controlled by application software through the
serial port’s DTR signal.
Ground Terminals. All three ground terminals must be connected to ground for operation.
Power Supply Terminal
SYMBOL
V
V
I
V
CC
CC
IH
IL
(Note 1)
(Note 2)
(Note 2)
V
CC
= 5V
CONDITION
FUNCTION
0.8 x
+3.0
MIN
V
CC
0
Pin Description
57600
TYP
5.0
0.15 x
V
MAX
CC
+5.5
V
CC
UNITS
bps
mA
V
V
V