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參數(shù)資料
| 型號： | MC75174BP |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | 通用總線功能 |
| 英文描述： | QUAD EIA-485 LINE DRIVERS |
| 中文描述： | QUAD LINE DRIVER, PDIP16 |
| 封裝： | PLASTIC, DIP-16 |
| 文件頁數(shù)： | 3/12頁 |
| 文件大小： | 180K |
| 代理商： | MC75174BP |
MC75172B MC75174B
3
MOTOROLA ANALOG IC DEVICE DATA
ELECTRICAL CHARACTERISTICS
(–40
°
C
TA
85
°
C, 4.75 V
VCC
Symbol
5.25 V, unless otherwise noted.)
Characteristics
Min
Typ
Max
Unit
Inputs
Low Level Voltage (Pins 4 & 12, MC75174B only)
Low Level Voltage (All Other Pins)
High Level Voltage (All Inputs)
VIL(A)
VIL(B)
VIH
0
0
2.0
–
–
–
0.7
0.8
VCC
Vdc
Current @ Vin = 2.7 V (All Inputs)
Current @ Vin = 0.5 V (All Inputs)
IIH
IIL
–
–100
0.2
–15
20
–
μ
A
Clamp Voltage (All Inputs, Iin = –18 mA)
Thermal Shutdown Junction Temperature
VIK
Tjts
ICC
–1.5
–
–
Vdc
–
+150
–
°
C
Power Supply Current (Outputs Open, VCC = 5.25 V)
Outputs Enable
Outputs Disabled
–
–
60
30
70
40
mA
TIMING CHARACTERISTICS
(TA = 25
°
C, VCC = 5.0 V)
Characteristics
Symbol
Min
Typ
Max
Unit
Propagation Delay – Input to Single–ended Output (Figure 3)
Output Low–to–High
Output High–to–Low
tPLH
tPHL
–
–
23
18
30
30
ns
Propagation Delay – Input to Differential Output (Figure 4)
Input Low–to–High
Input High–to–Low
tPLH(D)
tPHL(D)
–
–
15
17
25
25
ns
Differential Output Transition Time (Figure 4)
tdr, tdf
–
19
25
ns
Skew Timing
tPLHD – tPHLD
for Each Driver
Max – Min tPLHD Within a Package
Max – Min tPHLD Within a Package
tSK1
tSK2
tSK3
–
–
–
0.2
1.5
1.5
–
–
–
ns
Enable Timing
Single–ended Outputs (Figure 5)
Enable to Active High Output
Enable to Active Low Output
Active High to Disable (using Enable)
Active Low to Disable (using Enable)
Enable to Active High Output (MC75172B only)
Enable to Active Low Output (MC75172B only)
Active High to Disable (using Enable, MC75172B only)
Active Low to Disable (using Enable, MC75172B only)
tPZH(E)
tPZL(E)
tPHZ(E)
tPLZ(E)
tPZH(E)
tPZL(E)
tPHZ(E)
tPLZ(E)
–
–
–
–
–
–
–
–
48
20
35
30
58
28
38
36
60
30
45
50
70
35
50
50
ns
Differential Outputs (Figure 6)
Enable to Active Output
Enable to Active Output (MC75172B only)
Enable to 3–State Output
Enable to 3–State Output (MC75172B only)
tPZD(E)
tPZD(E)
tPDZ(E)
tPDZ(E)
–
–
–
–
47
56
32
40
–
–
–
–
ns
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