NCN4555MNG ON Semiconductor, NCN4555MNG Datasheet - Page 3

• Manufacturer Part Number: NCN4555MNG
• Description: IC LEVEL SHIFTER SIM CARD 16-QFN
• Manufacturer: ON Semiconductor

Specifications of NCN4555MNG

• Logic Function: Level Shifter
• Input Type: Logic
• Output Type: Logic
• Differential - Input:output: No/No
• Voltage - Supply: 1.8 V ~ 5.5 V
• Operating Temperature: -25°C ~ 85°C
• Package / Case: 16-TFQFN Exposed Pad
• Supply Voltage: 1.8 V ~ 5.5 V
• Mounting Style: SMD/SMT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Number Of Channels: -
• Data Rate: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

PIN DESCRIPTIONS
PIN
10
12
13
14
15
16
11
1
2
3
4
5
6
7
8
9
MOD_V
SIM_RST
SIM_V
SIM_CLK
SIM_I/O
Name
STOP
GND
V
CLK
RST
V
NC
NC
NC
I/O
NC
BAT
DD
CC
CC
GROUND
OUTPUT
OUTPUT
OUTPUT
OUTPUT
POWER
POWER
POWER
INPUT/
INPUT/
INPUT
INPUT
INPUT
INPUT
Type
Power Down Mode pin:
STOP = Low ³ Low current shutdown mode activated
STOP = High ³ Normal Operation
A Low level on this pin resets the SIM interface, switching off the SIM_V
The signal present on this pin programs the SIM_V
MOD_V
MOD_V
This pin is connected to the system controller power supply. It configures the level shifter input
stage to accept the signals coming from the microprocessor. A 0.1 mF capacitor shall be used to
bypass the power supply voltage. When V
NCN4555 comes into a shutdown mode.
No Connect
DC−DC converter supply input. The input voltage ranges from 2.7V up to 5.5V. This pin has to be
bypass by a 0.1 mF capacitor.
No Connect
This pin is connected to the SIM card power supply pin. An internal LDO converter is
programmable by the external MPU to supply either 1.8 V or 3.0 V output voltage. An external
1.0 mF minimum ceramic capacitor recommended must be connected across SIM_V
During a normal operation, the SIM_V
can start directly to any of these two values.
This pin handles the connection to the serial I/O of the card connector. A bidirectional level
translator adapts the serial I/O signal between the card and the micro controller. A 14 kW (typical)
pullup resistor provides a High impedance state for the SIM card I/O link.
This pin is connected to the RESET pin of the card connector. A level translator adapts the
external Reset (RST) signal to the SIM card.
This pin is the GROUND reference for the integrated circuit and associated signals. Care must be
taken to avoid voltage spikes when the device operates in a normal operation.
This pin is connected to the CLOCK pin of the card connector. The CLOCK (CLK) signal comes
from the external clock generator, the internal level shifter being used to adapt the voltage defined
for the SIM_V
No Connect
The clock signal, coming from the external controller, must have a Duty Cycle within the Min/Max
values defined by the specification (typically 50%). The built−in level shifter translates the input
signal to the external SIM card CLK input.
The RESET signal present at this pin is connected to the SIM card through the internal level
shifter which translates the level according to the SIM_V
This pin is connected to an external microcontroller or cellular phone management unit. A
bidirectional level translator adapts the serial I/O signal between the smart card and the external
controller. A built−in constant 18 kW (typical) resistor provides a high impedance state when not
activated.
No Connect
CC
CC
= Low ³ SIM_V
= High ³ SIM_V
CC
.
http://onsemi.com
CC
CC
3
= 1.8 V
= 3 V
CC
voltage can be set to 1.8 V followed by a 3.0 V value, or
DD
Description
is below 1.1 V typical the SIM_V
CC
value:
CC
programmed value.
CC
.
CC
is disabled. The
CC
and GND.