MAX14502AETL+ Maxim Integrated Products, MAX14502AETL+ Datasheet - Page 4

• 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

ELECTRICAL CHARACTERISTICS (continued)
(V
noted. Typical values are at V
Hi-Speed USB-to-SD Card
Readers with Bypass
4
Input High Voltage
Input Low Voltage
USB INTERFACE
On-Resistance
On-Resistance Flatness
On-Capacitance
Off-Capacitance
AC CHARACTERISTICS (Note 6)
SD CARD CLOCK TIMING (CCLK_), DEFAULT SPEED (Figure 5a)
Clock Low Time
Clock High Time
Clock Rise Time
Clock Fall Time
SD CARD CLOCK TIMING (CCLK_), HI-SPEED (Figure 5b)
Clock Low Time
Clock High Time
Clock Rise Time
Clock Fall Time
SD CARD COMMAND TIMING (CCMD1, CCMD2) (Figure 5b)
Input Setup Time
Input Hold Time
Output Delay Time During Data
Transfer Mode
Output Hold Time
I
SCL Clock Frequency
SDA, SCL Capacitance
SDA Output Fall Time
Hold Time After Repeated START
2
CC
C CHARACTERISTICS
_______________________________________________________________________________________
= +2.4V to +3.6V, V
PARAMETER
SD
= +2.4V to +3.6V, V
CC
= +3.3V, V
C
SYMBOL
C
R
C
t
t
OFF_USB
HD,STA
ONFLAT
ON_USB
OF_I2C
t
R
ODLY
IO_I2C
t
t
t
t
f
t
t
t
t
t
t
V
V
TLH
THL
TLH
THL
SCL
WH
WH
ISU
t
WL
WL
OH
ON
IH
IH
IL
IO
= +2.5V, V
IO
V
V
V
V
V
V
Switch closed, measured from CD+ and
CD-
Switch open, measured from CD+, CD-,
HD+, HD-
C
C
C
C
C
C
C
C
= +1.5V to +3.6V, V
SD
SD
SD
SD
CD_
CD_
L
L
L
L
L
L
L
L
= 10pF
= 10pF
= 10pF
= 10pF
= 40pF
= 40pF
= 40pF
= 40pF
< 2.4V
≥ 2.4V
< 2.4V
≥ 2.4V
= 0 or V
= 0 to 3.3V, V
SD
= +2.5V, V
TM
CONDITIONS
, switch closed
TM
TM
TM
= +3.3V
= +3.3V, T
= +2.91V to +3.4V, T
A
= +25°C.) (Note 2)
A
0.625 x
0.8 x
= -40°C to +85°C, unless otherwise
MIN
V
V
2.5
0.6
19
19
SD
SD
7
7
5
2
TYP
12
5
2
6
5
0.25 x
MAX
0.2 x
V
V
400
250
10
10
14
SD
SD
3
3
UNITS
kHz
pF
pF
pF
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
µs
Ω
Ω
V
V