STB4395 Datasheet, PDF (13/16 Pages) STMicroelectronics – CT2 RECEIVER/TRANSMITTER

STB4395
8 - TRANSCEIVER SECTION (continued)
8.4 - System Clock Input
Symbol
Description
fREF (*1)
VS
I_IH
IIL
Reference Frequency
Input Voltage Swing, AC Coupled, referenced to VP
Input Current-High (with respect to V_N)
Input Current-low (with respect to VN)
(*1) limits according to ETSI specification
8.5 - RF/NRF Receive/Transmit Pins
Symbol
Description
ZIN
VSWR
Input Impedance (balanced, RX)
VSWR
V_{IN DC Max.}
PIN AC Max.
Z_OUT
DC Input Voltage
AC Input Power
Output Impedance (balanced, TX)
Min.
0.4
-40
Typ.
14.4
Max.
0.8
40
Unit
MHz
V
µA
µA
Min.
Typ.
300Ω // 3.5pF
300Ω // 3pF
Max.
1.5:1
0
0
Unit
-
-
V
dBm
-
8.6 - Digital Input Buffers NTXEN, PRGD, NPRGEN, PRGCLK, FN
Symbol
Description
Min. Typ. Max. Unit
VIH
Upper Level Input Voltage
V_IL
Lower Level Input Voltage
I_IH
Input Current High
IIL
Input Current Low
Tt
Input Edge Transition
VP -1
V_N -0.4
-10
0.1
VP +0.4
V_N + 1
40
1
V
V
µA
µA
µs/V
8.7 - Digital Output Buffers xLOCK, DO
Symbol
Description
VOH
Upper Level Output Voltage
V_OL
Lower Level Output Voltage
t_R
Rise Time (load of 5pF)
tF
Fall Time (load of 5pF)
Min.
VP -0.3
V_N
Typ.
0.3
0.4
Max.
VP
V_N + 1
Unit
V
V
µs/V
µs/V
8.8 - Receiver - FSH Tri State Input
Symbol
Description
V_IH
Upper Level Input Voltage
VIL
Lower Level Input Voltage
I_TR
Tri State Current
I_IH
Input Current High
IIL
Input Current Low
T_t
Input Edge Transition
Min .
V_P -0.3
VN-0.4
-10
-100
0.1
Typ.
Max.
V_P +0.4
VN + 1
10
100
1
Units
V
V
µA
µA
µA
µs/V
13/16