參數(shù)資料
型號(hào)： M54HCT245D1
廠商： STMICROELECTRONICS
元件分類(lèi)： 總線(xiàn)收發(fā)器
英文描述： HCT SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, CDIP20
封裝： CERAMIC, DIP-20
文件頁(yè)數(shù)： 5/10頁(yè)
文件大?。?/td> 235K
代理商： M54HCT245D1
M54HCT245
4/10
Table 5: DC Specifications
Table 6: AC Electrical Characteristics (CL = 50 pF, Input tr =tf = 6ns)
Symbol
Parameter
Test Condition
Value
Unit
VCC
(V)
TA = 25°C
-40 to 85°C
-55 to 125°C
Min.
Typ.
Max.
Min.
Max.
Min.
Max.
VIH
High Level Input
Voltage
4.5
to
5.5
2.0
V
VIL
Low Level Input
Voltage
4.5
to
5.5
0.8
V
VOH
High Level Output
Voltage
4.5
IO=-20 A
4.4
4.5
4.4
V
IO=-6.0 mA
4.18
4.31
4.13
4.10
VOL
Low Level Output
Voltage
4.5
IO=20 A
0.0
0.1
V
IO=6.0 mA
0.17
0.26
0.33
0.40
II
Input Leakage
Current
5.5
VI =VCC or GND
± 0.1
± 1
A
IOZ
High Impedance
Output Leakage
Current
5.5
VI =VIH or VIL
VO =VCC or GND
± 0.5
± 5
± 10
A
ICC
Quiescent Supply
Current
5.5
VI =VCC or GND
440
80
A
I
CC
Additional Worst
Case Supply
Current
5.5
Per Input pin
VI =0.5Vor
VI =2.4V
Other Inputs at
VCC or GND
IO =0
2.0
2.9
3.0
mA
Symbol
Parameter
Test Condition
Value
Unit
VCC
(V)
CL
(pF)
TA = 25°C
-40 to 85°C
-55 to 125°C
Min.
Typ.
Max.
Min.
Max.
Min.
Max.
tTLH tTHL Output Transition
Time
4.5
50
7
12
15
18
ns
tPLH tPHL Propagation Delay
Time
4.5
50
13
22
28
33
ns
150
18
30
38
45
tPZL tPZH High Impedance
Output Enable
Time
4.5
50
RL =1 K
19
30
38
45
ns
150
RL =1 K
24
38
48
57
tPLZ tPHZ High Impedance
Output Disable
Time
4.5
50
RL =1 K
17
30
38
45
ns
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