MAX14502AETL+ Maxim Integrated Products, MAX14502AETL+ Datasheet - Page 14

• Manufacturer Part Number: MAX14502AETL+
• Description: IC CARD READER USB-SD 40-TQFN
• Manufacturer: Maxim Integrated Products
• Type: Smart Card Interface ICr

Specifications of MAX14502AETL+

• Applications: USB
• Interface: I²C
• Voltage - Supply: 1.8 V ~ 3.3 V
• Package / Case: 40-TQFN Exposed Pad
• Mounting Type: Surface Mount
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Hi-Speed USB-to-SD Card
Readers with Bypass
Figure 3. Typical Application Circuit for I
14
V
V
CC
SD
______________________________________________________________________________________
CONNECTOR
USB
GND
VBUS
D+
D-
4
4
2
C Control Mode with Two SD Cards
CCLK2
CCMD2
CCRD_PRST
V
V
CLDO
RREF
KVBUS
CDAT2_[3:0]
CCLK1
CDAT1_[3:0]
CCMD1
CD-
CD+
SD
CC
TRANCEIVER
USB
INTERFACE
SD CARD
I
2
C CONTROL
CARD READER
USB HS
SD PORT 2 SWITCHES
USB SWITCHES
SD PORT 1 SWITCHES
MAX14500–
MAX14503
HDAT2_[3:0]
HDAT1_[3:0]
HCRD_PRST
I2C_SEL
HCMD2
HCMD1
HCLK2
HCLK1
MODE
BUSY
FREF
HD+
ADD
SDA
SCL
V
HD-
V
INT
TM
IO
OPTIONAL
V
V
V
TM
IO
IO
4
4
PORT2
PORT1
SD
SD
HOST
PROCESSOR