zt490erep ywyn Corporation, zt490erep Datasheet - Page 10

• Manufacturer Part Number: zt490erep
• Description: Low Power 5v 250kbps/10mbps 128-fanout Rs485 Transceivers
• Manufacturer: ywyn Corporation

Zywyn Corporation
Typical Test Circuits
Notes:
A. The test load capacitance includes probe and test jig capacitance, unless otherwise specified.
B. The signal generator had the following characteristics:
Figure 1. Driver Test Circuit, V
Common-Mode Loading
Figure 3. Driver Common-Mode Output Voltage (V
Figure 5. Driver Enable/Disable Test Circuit and Waveforms, High Output
Pulse rate = 1000 kHz, 50% duty cyle, Z
Figure 4. Driver Differential Output Voltage (V
Zywyn
OD
and V
OC
O
= 50Ω , t
Without
OD
) Switching Test Circuit and Waveforms
r
OC
& t
10
) Test Circuit and Waveforms
f
< 6ns, unless otherwise specified.
Figure 2. Driver Test Circuit, V
Mode Loading
Specifications subject to change without notice
OD
With Common-
February 2005
ZT4xxER
1.75V
3.25V
rev.1.2
++12V