cx20493-35/app Conexant Systems, Inc., cx20493-35/app Datasheet - Page 53

• Manufacturer Part Number: cx20493-35/app
• Description: With Cx20493 Smartdaa?
• Manufacturer: Conexant Systems, Inc.

Table 3-5. CX81801 Modem I/O Type Definitions
Table 3-6. CX81801 Modem DC Electrical Characteristics
102247B
Idd/Odd
Ix/Ox
It/Ot2
Itk/Ot2
Itpu/Ot2
It/Ot8
Ithpd/Ot2
Ith/Ot2
Ith/Ot8
It
Itk
Itkpu
Itpu
Ithpu
Odpc
Ot2
PWR
PWRG
GND
NOTES:
1.
2.
Input Voltage Low
Input Voltage High
Input Hysteresis
Output Voltage Low
Output Voltage High
Pull-Up Resistance
Pull-Down Resistance
Test Conditions unless otherwise stated: VDD = +3.3 ± 0.3 VDC; TA = 0°C to 70°C; external load = 50 pF.
I/O Type
CX81801-7x/8x SmartV.XX Modem in 128-Pin LQFP with CX20493 in 32-Pin LQFP Data Sheet
See DC characteristics in Table 3-6.
I/O Type corresponds to the device Pad Type. The I/O column in signal interface tables refers to signal I/O direction used in
the application.
+5V tolerant
+5V tolerant hysteresis
+5V tolerant
+5V tolerant hysteresis
+3V hysteresis
+5V tolerant, hysteresis
Z INT = 120 Ω
Z INT = 50 Ω
Z INT = 120 Ω
Z INT = 50 Ω
Parameter
Digital input/output, DIB data transceiver
I/O, wire
Digital input, +5V tolerant/ Digital output, 2 mA, Z INT = 120 Ω
Digital input, +5V tolerant, keeper/ Digital output, 2 mA, Z INT = 120 Ω
Digital input, +5V tolerant, 75k Ω pull up/ Digital output, 2 mA, Z INT = 120 Ω
Digital input, +5V tolerant,/ Digital output, 8 mA, Z INT = 50 Ω
Digital input, +5V tolerant, hysteresis, 75k Ω pull down/ Digital output, 2 mA, Z INT = 120 Ω
Digital input, +5V tolerant, hysteresis/Digital output, 2 mA, Z INT = 120 Ω
Digital input, +5V tolerant, hysteresis/Digital output, 8 mA, Z INT = 50 Ω
Digital input, +5V tolerant
Digital input, +5V tolerant, keeper
Digital input, +5V tolerant, keeper, 75k Ω pull up
Digital input, +5V tolerant, 75k Ω pull up
Digital input, +5V tolerant, hysteresis, 75k Ω pull up
Digital output with adjustable drive, DIB clock and power
Digital output, three-state, 2 mA, Z INT = 120 Ω
VCC Power
VGG Power
Ground
Symbol
VOH
VOL
Rpu
Rpd
VIH
VIL
VH
0.7 * VDD
Min.
0.5
0.3
2.4
2.4
50
50
0
0
2
0
0
Conexant
Typ.
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
Description
0.3 * VGG
Max.
VDD
VDD
5.25
5.25
200
200
0.8
0.4
0.4
Units
kΩ
kΩ
V
V
V
V
V
V
V
V
V
V
V
V
V
IOL = 2 mA
IOL = 8 mA
IOL = -2 mA
IOL = -8 mA
Test Conditions
3-21