參數(shù)資料
型號(hào): M74HCT651RM13TR
廠商: STMICROELECTRONICS
元件分類: 總線收發(fā)器
英文描述: HCT SERIES, 8-BIT REGISTERED TRANSCEIVER, INVERTED OUTPUT, PDSO24
封裝: SOP-24
文件頁(yè)數(shù): 12/15頁(yè)
文件大?。?/td> 350K
代理商: M74HCT651RM13TR
M74HCT651
6/15
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
channel)
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
ns
tPLH tPHL Propagation Delay
Time (BUS - BUS)
4.5
50
20
30
38
ns
4.5
150
25
38
48
tPLH tPHL Propagation Delay
Time
(CLOCK - BUS)
4.5
50
29
44
55
ns
4.5
150
34
52
65
tPLH tPHL Propagation Delay
Time
(SELECT - BUS)
4.5
50
24
34
43
ns
4.5
150
29
42
53
tPZL tPZH High Impedance
Output Enable
Time
4.5
50
RL = 1 K
22
33
41
ns
4.5
150
RL = 1 K
27
41
51
tPLZ tPHZ High Impedance
Output Disable
Time
4.5
50
RL = 1 K
24
35
44
ns
fMAX
Maximum Clock
Frequency
4.5
50
31
55
25
MHz
tW(H)
tW(L)
Minimum Pulse
Width
4.5
50
8
15
19
ns
ts
Minimum Set-Up
Time
4.5
50
3
10
13
ns
th
Minimum Hold
Time
4.5
50
5
ns
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
510
10
pF
CI/O
Bus Terminal
Capacitance
13
pF
CPD
Power Dissipation
Capacitance (note
1)
38
pF
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