參數(shù)資料
型號(hào)： SN55138W
廠商： Texas Instruments, Inc.
元件分類(lèi)： 通用總線(xiàn)功能
英文描述： QUADRUPLE BUS TRANSCEIVERS
中文描述： 翻兩番總線(xiàn)收發(fā)器
文件頁(yè)數(shù)： 10/13頁(yè)
文件大?。?/td> 243K
代理商： SN55138W
SN55138, SN75138
QUADRUPLE BUS TRANSCEIVERS
SLLS079B – SEPTEMBER 1973 – REVISED MAY 1995
10
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
TYPICAL CHARACTERISTICS
Figure 15
Driver Loads = 1 k
to 5 V
VI(D) = 2 V
VI(S) = 0.8 V
TA = – 55
°
C
70
60
50
40
30
20
10
7
6
5
4
3
2
VCC – Supply Voltage – V
1
0
8
80
C
I
0
SUPPLY CURRENT
vs
SUPPLY VOLTAGE
(ALL DRIVER OUTPUTS LOW)
TA = 125
°
C
TA = 25
°
C
Figure 16
VCC – Supply Voltage – V
I
SUPPLY CURRENT
vs
SUPPLY VOLTAGE
R Output Open
0
80
8
0
1
2
3
4
6
7
10
20
30
40
50
60
70
TA = 25
°
C
VI(S) = 0.8 V
Driver Loads = 1 k
to 5 V
5
4 Driver Inputs at 0.8 V
4 Driver Inputs at 2 V
C
2 Driver Inputs at 2 V,
2 Driver Inputs at 0.8 V
Figure 17
P
tPLH(D-D)
Driver Load: CL = 50 pF, RL = 50
, See Figure 1
Receiver Load: CL = 15 pF, RL = 400
,
See Figure 2
VCC = 5 V
28
24
20
16
12
8
4
120
100
80
60
40
20
0
– 20
TA – Free-Air Temperature –
°
C
– 40
0
140
32
– 6
PROPAGATION DELAY TIMES
vs
FREE-AIR TEMPERATURE
tPLH(S-D)
tPHL(S-D)
tPHL(D-D)
tPLH(R-R)
tPHL(R-R)
Figure 18
P
tPLH(R-R)
tPHL(R-R)
tPHL(D-D)
tPLH(D-D)
tPLH(S-D)
40
20
15
10
5
5.4
5.3
5.2
5.1
5
4.9
4.8
4.7
4.6
0
5.5
30
4.5
VCC – Supply Voltage – V
PROPAGATION DELAY TIMES
vs
SUPPLY VOLTAGE
TA = 25
°
C
Driver Load: CL = 50 pF, RL = 50
, See Figure 1
Receiver Load: CL = 15 pF, RL = 400
,
See Figure 2
tPHL(S-D)
Data for temperatures below 0
°
C and above 70
°
C is applicable to SN55138 circuits only.
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