参数资料
型号: M74HC7645TTR
厂商: STMICROELECTRONICS
元件分类: 总线收发器
英文描述: HC/UH SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, PDSO20
封装: TSSOP-20
文件页数: 5/10页
文件大小: 238K
代理商: M74HC7645TTR
M74HC7645
4/10
AC ELECTRICAL CHARACTERISTICS (CL = 50 pF, Input tr = tf = 6ns)
CAPACITIVE CHARACTERISTICS
1) CPD is defined as the value of the IC’s internal equivalent capacitance which is calculated from the operating current consumption without
load. (Refer to Test Circuit). Average operating current can be obtained by the following equation. ICC(opr) = CPD x VCC x fIN + ICC/8 (per circuit)
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.
tTLH tTHL Output Transition
Time
2.0
25
60
75
90
ns
4.5
7
121518
6.0
6
101315
tPLH tPHL Propagation Delay
Time
2.0
61
125
156
190
ns
4.5
15
25
31
38
6.0
13
21
27
32
tPZL tPZH High Impedance
Output Enable
Time
2.0
RL = 1 K
77
150
188
225
ns
4.5
19
30
38
45
6.0
16
26
32
38
tPLZ tPHZ High Impedance
Output Disable
Time
2.0
RL = 1 K
84
150
188
225
ns
4.5
21
30
38
45
6.0
18
26
32
38
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.
CIN
Input Capacitance
5.0
5
101010
pF
COUT
Output
Capacitance
5.0
13
pF
CPD
Power Dissipation
Capacitance (note
1)
5.0
41
pF
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