73K224BL
V.22bis, V.22, V.21, Bell 212A, 103
Single-Chip Modem w/ Integrated Hybrid
DATA SHEET
DC ELECTRICAL CHARACTERISTICS
(TA = -40°C to 85°C, VDD = recommended range unless otherwise noted.)
PARAMETER
CONDITION
MIN
NOM
MAX
UNIT
IDD, Supply Current
CLK = 11.0592 MHz
ISET Resistor = 2 MΩ
Operating with crystal oscillator,
< 5 pF capacitive load on CLK pin
IDD1, Active
20
5
27
7
mA
mA
IDD2, Idle
Digital Inputs
VIL, Input Low Voltage
VIH, Input High Voltage
All Inputs except Reset
XTL1, XTL2
0.8
V
V
2.0
3.0
VDD
Reset, XTL1, XTL2
IIH, Input High Current
IIL, Input Low Current
Reset Pull-down Current
Digital Outputs
VDD
100
V
VI = VDD
VI = 0V
µA
µA
µA
-200
2
Reset = VDD
50
VOH, Output High Voltage
IO = IOH Min
IOUT = -0.4 mA
2.4
-2
VDD
V
VOL, Output Low Voltage
IO = IOUT = 1.6 mA
RXD = GND
0.4
-50
V
RXD Tri-State Pull-up
Current.
µA
OH Output VOL
Capacitance
CLK
IOUT = 40 mA
TBA
V
Maximum permitted load
All digital inputs
25
10
pF
pF
Input Capacitance
TXA1
NOTE: Parameters expressed in dBm0 refer
to signals at the telephone line, i.e., across
R2 in Figure 1.
R1
600
Ω
The signals at TXA1 or TXA2 are each
RXA
≈ 8dB lower than at the line.
R2
600
The signal at RXA is ≈ 3 dB lower than at the
line.
Ω
C1
1:1
600
(NOMINAL TELEPHONE
LINE IMPEDANCE)
Ω
TXA2
FIGURE 1: ANALOG INTERFACE HYBRID LOADING
Page: 22 of 33
© 2005, 2008 TERIDIAN Semiconductor Corporation
Rev 7.1
TERIDIAN [ TERIDIAN SEMICONDUCTOR CORPORATION ]
