XRT5683A Exar Corporation, XRT5683A Datasheet - Page 7

• Manufacturer Part Number: XRT5683A
• Description: PCM Line Interface Chip
• Manufacturer: Exar Corporation

Rev. 2.01
Figure 6. Transmitter Test Circuit and Switching Waveforms (Measured at 8.448Mbps)
Generator
Notes
8.448MHz
1
2
Pulse
Inputs that are not connected to pulse generator will be tied to V
C1 includes probe and jig capacitance.
Output From Pin 13
From Generator
Input Pulse
or Pin 15
Input
10%
Fall Time
90%
1.5V
Figure 5. Test Circuit
Pin 9 & 18
Pin 12,16,17
V
<5ns
90%
CC
XR-T5683A
= 5V
0.1 F
59ns
50%
15ns Typ.
7
10%
1
90%
Pulse Width
1.5V
CC
100
via 1K resistor.
Pin 13 & 15
Pin 7 & 14
0V
10%
10%
50%
<5ns
15ns Typ.
Rise Time
90%
XR-T5683A
0V
CI=15pF
3V
0V
+5V
Vol
Output
2