参数资料
型号: SN75173
厂商: Texas Instruments, Inc.
英文描述: Quadruple Differential Line Receiver
中文描述: 四路差动线路接收器
文件页数: 5/9页
文件大小: 198K
代理商: SN75173
SN55173, SN65173, SN75173
QUADRUPLE DIFFERENTIAL LINE RECEIVERS
SLLS144B – OCTOBER 1980 – REVISED MAY 1995
2–5
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
switching characteristics, VCC = 5 V, TA = 25°C
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
tPLH
Propagation delay time, low-to-high-level output
VID = – 1.5 V to 1.5 V, CL = 15 pF,
SFi
1
20
35
ns
tPHL
Propagation delay time, high-to-low-level output
ID
L
p
See Figure 1
22
35
ns
tPZH
Output enable time to high level
CL = 15 pF,
See Figure 2
17
22
ns
tPZL
Output enable time to low level
CL = 15 pF,
See Figure 3
20
25
ns
tPHZ
Output disable time from high level
CL = 5 pF,
See Figure 2
21
30
ns
tPLZ
Output disable time from low level
CL = 5 pF,
See Figure 3
30
40
ns
PARAMETER MEASUREMENT INFORMATION
VOL
VOH
– 1.5 V
1.5 V
Output
Input
1.3 V
tPHL
tPLH
0 V
2 V
Generator
(see Note A)
Output
CL = 15 pF
(see Note B)
50
TEST CIRCUIT
VOLTAGE WAVEFORMS
[2.5 V]
[– 2.5 V]
Figure 1. tPLH, tPHL Test Circuit and Voltage Waveforms
See Note D
≈ 0 V
S1 Open
S1 Closed
1.3 V
tPHZ
tPZH
0.5 V
See Note C
VCC
2 k
S1
5 k
1.5 V
CL
(see Note B)
Output
Generator
(see Note A)
2 V
Input
Output
3 V
0 V
VOH
1.4 V
50
TEST CIRCUIT
VOLTAGE WAVEFORMS
[2.5 V]
1.3 V
Figure 2. tPHZ, tPZH Test Circuit and Voltage Waveforms
[ ] represent voltages on the SN55173 only.
NOTES: A. The input pulse is supplied by a generator having the following characteristics: PRR = 1 MHz, duty cycle = 50%, tr ≤ 6 ns, tf ≤ 6 ns,
ZO = 50 .
B. CL includes probe and jig capacitance.
C. All diodes are 1N916 or equivalent.
D. To test the active-low enable G, ground G and apply an inverted input waveform to G.
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