ltc1334csw-trpbf Linear Technology Corporation, ltc1334csw-trpbf Datasheet - Page 10

• Manufacturer Part Number: ltc1334csw-trpbf
• Description: Single 5v Rs232/rs485 Multiprotocol Transceiver
• Manufacturer: Linear Technology Corporation

SWITCHI G WAVEFOR S
LTC1334
10
U
A, B
B – A
Y, Z
R
R
D
Y, Z
Z, Y
V
–V
V
–V
DE
V
V
OH
OL
3V
0V
V
V
IH
IL
V
V
V
V
O
O
OD2
OD2
OH
0V
3V
0V
5V
OH
OL
OL
1.3V
1.5V
Figure 10. RS232 Receiver Propagation Delays
W
Figure 7. RS485 Driver Enable and Disable Times
t
1.5V
0V
t
PHL
PHL
Figure 9. RS232 Driver Propagation Delays
Figure 8. RS485 Receiver Propagation Delays
t
t
t
PLH
ZL
ZH
f = 1MHz: t
f = 1MHz: t
0V
0.8V
2.3V
2.3V
1.5V
r
r
10ns: t
OUTPUT NORMALLY HIGH
OUTPUT NORMALLY LOW
10ns: t
f
10ns
f
10ns
OUTPUT
INPUT
1.7V
1.5V
t
PLH
t
1.5V
0V
PLH
t
t
HZ
LZ
t
PHL
0V
2.4V
1.5V
0.5V
0.5V
LTC1334 • F10
LTC1334 • F09
LTC1334 • F07
LTC1334 • F08