參數(shù)資料
型號(hào)： LTC1338CG
廠商： LINEAR TECHNOLOGY CORP
元件分類： 通用總線功能
英文描述： 5V Low Power RS232 5-Driver/3-Receiver Transceiver
中文描述： LINE TRANSCEIVER, PDSO28
封裝： SSOP-28
文件頁(yè)數(shù)： 5/8頁(yè)
文件大?。?/td> 222K
代理商： LTC1338CG
5
LTC1338
PI FUU
DRIVER IN:
RS232 Driver Input Pins. Inputs are TTL/
CMOS compatible. Inputs should not be allowed to float.
Tie unused inputs to V
CC
.
DRIVER OUT:
Driver Outputs at RS232 Voltage Levels.
Outputs are in a high impedance state when in SHUT-
DOWN, RECEIVER ALIVE mode or V
CC
= 0V. The driver
outputs are protected against ESD to
±
10kV for human
body model discharges.
U
RX IN:
Receiver Inputs. These pins can be forced to
±
25V
without damage. The receiver inputs are protected against
ESD to
±
10kV for human body model discharges. Each
receiver provides 0.4V of hysteresis for noise immunity.
RX OUT:
Receiver Outputs with TTL/CMOS Voltage Lev-
els. Outputs are in a high impedance state when in SHUT-
DOWN or RECEIVER DISABLE mode to allow data line
sharing.
Table 1. Functional Description
MODE
SHUTDOWN
RX ENABLE
0
DR ENABLE
0
DRIVERS
All driver outputs are
high impedance.
All drivers alive.
RECEIVERS
All receiver outputs are
high impedance.
All receiver outputs are
high impedance.
All receivers alive.
I
CC
(
μ
A)(TYP)
0.2
Receiver Disable
0
1
500
RECEIVER ALIVE
1
0
All driver outputs are
high impedance.
All drivers alive.
50
Normal
1
1
All receivers alive.
500
TI
W
E WAVEFOR
S
UG
WITCHI
W
S
Figure 1. Driver Propagation Delay Timing
Figure 2. Receiver Propagation Delay Timing
1.4V
0V
V
CC
0V
V
+
V
–
0V
DRIVER
INPUT
DRIVER
OUTPUT
1.4V
HLD
LHD
LTC1338 F01
0.8V
V
CC
0V
2.4V
RX
INPUT
RX
OUTPUT
1.3V
HLR
1.7V
LHR
LTC1338 F02
V
CC
0V
相關(guān)PDF資料
PDF描述
LTC1338CN 5V Low Power RS232 5-Driver/3-Receiver Transceiver
LTC1338CS Octal D-Type Transparent Read-Back Latches With 3-State Outputs 24-PDIP 0 to 70
LTC1338I 5V Low Power RS232 5-Driver/3-Receiver Transceiver
LTC1338IN Octal D-Type Transparent Read-Back Latches With 3-State Outputs 24-SOIC 0 to 70
LTC1338IS 5V Low Power RS232 5-Driver/3-Receiver Transceiver
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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