參數(shù)資料
型號: SN751177NS
廠商: Texas Instruments, Inc.
英文描述: DUAL DIFFERENTIAL DRIVERS AND RECEIVERS
中文描述: 雙差分驅(qū)動器和接收
文件頁數(shù): 8/11頁
文件大小: 155K
代理商: SN751177NS
SN751177, SN751178
DUAL DIFFERENTIAL DRIVERS AND RECEIVERS
SLLS059D – FEBRUARY 1990 – REVISED MAY 1999
8
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
switching characteristics at V
CC
= 5 V, C
L
= 15 pF, T
A
= 25
°
C
PARAMETER
TEST CONDITIONS
MIN
TYP
20
MAX
UNIT
ns
tPLH
tPHL
tPZH
tPZL
tPHZ
tPLZ
Propagation delay time, low- to high-level output
Propagation delay time, high- to low-level output
VID= 1 5 V to 1 5 V
VID = –1.5 V to 1.5 V,
See Figure 7
35
22
35
ns
Output enable time to high level
17
25
ns
Output enable time to low level
SN751177
See Figure 8
20
27
ns
Output disable time from high level
Output disable time from low level
25
30
40
40
ns
ns
PARAMETER MEASUREMENT INFORMATION
VOC
VOD2
R
L
2
R
L
2
Figure 1. Driver Test Circuit, V
OD
and V
OC
VOL
VOH
–IOH
+IOL
VID
Figure 2. Receiver Test Circuit, V
OH
and V
OL
TEST CIRCUIT
50
3 V
Output
RL = 54
Generator
(see Note B)
CL = 50 pF
(see Note A)
VOLTAGE WAVEFORMS
Output
Input
td(OD)
td(OD)
tt(OD)
tt(OD)
2.5 V
0 V
3 V
–2.5 V
NOTES: A. CL includes probe and jig capacitance.
B. The pulse generator has the following characteristics: PRR
1 MHz, 50% duty cycle, ZO = 50
, tr
6 ns, tf
6 ns.
1.5 V
1.5 V
90%
90%
50%
10%
50%
10%
Figure 3. Driver Differential Output-Delay and Transition-Time Test Circuit and Voltage Waveforms
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