MC145426 Motorola, MC145426 Datasheet - Page 5

• Manufacturer Part Number: MC145426
• Description: (MC145422 / MC145426) UNIVERSAL DIGITAL-LOOP TRANSCEIVER(UDLT)
• Manufacturer: Motorola

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DataSheet
4
NOTE: The input level into the demodulator to reliably demodulate incoming bursts. Input referenced to V ref .
MOTOROLA
U
ANALOG CHARACTERISTICS
MC145422 SWITCHING CHARACTERISTICS
MC145426 SWITCHING CHARACTERISTICS
Modulation Differential Amplitude (R L = 440 )
Modulation Differential DC Offset
Demodulator Input Amplitude (See Note)
Demodulator Input lmpedance
Input Rise Time
Input Fall Time
Pulse Width
CCI Duty Cycle
Data Clock Frequency
Propagation Delay Time
MSI to TDC/RDC Setup Time
TE1/RE1 to TDC/RDC Setup Time
Rx to TDC/RDC Setup Time
Rx to TDC/RDC Hold Time
SI1, SI2 to MSI Setup Time
SI1, SI2 to MSI Hold Time
Input Rise Time
Input Fall Time
Clock Output Pulse Width
Crystal Frequency
Propagation Delay Times
Rx to CLK Setup Time
Rx to CLK Hold Time
SI1, SI2 to TE1 Setup Time
SI1, SI2 to TE1 Hold Time
.com
Parameter
Parameter
MSI to SO1, SO2 VD (PD = V DD )
RE1 Falling to CLK (TE = V DD )
RE1 Falling to CLK (TE = V SS )
TE1 Rising to CLK (TE = V DD )
TE1 Rising to CLK (TE = V SS )
(V DD = 5 V, T A = 0 to 70 C)
Parameter
TDC/RDC, RE1, MSI
CLK to TE1 Falling
CLK to RE1 Rising
TE1 to SO1, SO2
All Digital Inputs
All Digital Inputs
All Digital Inputs
All Digital Inputs
(V DD = 5 V, T A = 25 C, C L = 50 pF)
(V DD = 5 V, T A = 25 C, C L = 50 pF)
TDC to Tx
TDC/RDC
CLK to Tx
CLK
Figure
Figure
No.
No.
—
—
1
1
1
1
2
3
4
4
5
5
6
6
1
1
1
7
7
7
8
8
8
9
9
5
5
6
6
t PLH , t PHL
LO1 to LO2
Symbol
Symbol
t w (H,L)
t w (H,L)
t w (H,L)
t su3
t su4
t su3
t su4
t su5
t su6
t su5
t su6
t DC
f X1
t h1
t h2
t p1
t p1
t p2
t p3
t p4
t p4
t p5
t p6
t h1
t h2
t r
t f
t r
t f
0.050
4.086
– 50
– 50
Min
Min
Min
438
438
4.5
3.8
50
90
45
64
90
40
90
40
60
60
60
60
60
60
60
60
—
—
—
—
—
—
—
—
—
—
0
MC145422 MC145426
2560
Max
Max
Max
300
150
538
538
6.0
2.5
4.0
4.1
55
90
90
50
40
40
50
90
90
—
—
—
—
—
—
—
—
—
—
—
—
—
4
4
4
4
V peak
V p–p
MHz
Unit
Unit
Unit
kHz
mV
k
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
%
s
s
s
s
s
5