NCN4557
Features
- Supports 1.8 V or 3.0 V Operating SIM/SAM/Smart Cards
- The LDOs are able to Supply more than 50 m A Under 1.8 V and
3.0 V
- Built- in Active and Passive Pullup Resistor for I/O and
CRD_IOA/B Pins in Both Directions
- All Pins are Fully ESD Protected According to ISO- 7816
Specifications
- ESD Protection on Card Pins in Excess of 8.0 k V (JEDEC HBM)
- Built- in Sequencer for Activation and Deactivation
- Supports up to more than 5.0 MHz Clock
- Very pact Low- Profile 3x3 QFN- 16 Package
- These are Pb- Free Devices-
Applications
- SIM Card Interface Circuit for 2G, 2.5G and 3G Mobile Phones
- Wireless PC/Laptop Cards (PCMCIA Cards)
- POS Terminals (SAM Card Interfaces)
- Smart Card Readers http://onsemi.
MARKING
DIAGRAM
ÇÇÇÇÇÇ QFN16
MT SUFFIX
16 1
CASE 488AK
ALYWG
A L Y W G or G
= Assembly Location = Wafer Lot = Year = Work Week = Pb- Free Package
ORDERING INFORMATION
See detailed ordering and shipping information in the package dimensions section on page 11...