參數(shù)資料
型號(hào): 74ACT163B
廠商: 意法半導(dǎo)體
元件分類: 通用總線功能
英文描述: SYNCHRONOUS PRESETTABLE 4-BIT COUNTER
中文描述: 同步預(yù)置4位計(jì)數(shù)器
文件頁(yè)數(shù): 5/11頁(yè)
文件大?。?/td> 97K
代理商: 74ACT163B
AC ELECTRICAL CHARACTERISTICS
(C
L
= 50 pF, R
L
= 500
, Input t
r
= t
f
=3 ns)
Symbol
Parameter
Test Condition
Value
Unit
V
CC
(V)
4.5
(*)
T
A
= 25
o
C
Min.
Typ.
1.5
-40 to 85
o
C
Min.
Max.
10.0
Max.
11.0
t
PLH
t
PHL
t
PLH
t
PHL
t
PLH
t
PHL
t
w
Propagation Delay Time
CKto Q
Propagation Delay Time
CKto CARRYOUT
Propagation Delay Time
PEto CARRYOUT
CKpulse Width (LOAD)
HIGHorLOW
CKpulse Width (COUNT)
HIGHorLOW
SetupTime HIGH orLOW
(INPUTto CK)
Hold TimeHIGH or LOW
(INPUTto CK)
SetupTime HIGH orLOW
(CLEAR to CK)
Hold TimeHIGH or LOW
(CLEAR to CK)
SetupTime HIGH orLOW
(LOAD to CK)
Hold TimeHIGH or LOW
(LOAD to CK)
SetupTime HIGH orLOW
(PE orTE to CK)
Hold TimeHIGH or LOW
(PE orTE to CK)
Maximum Clock Frequency
(*) Voltagerangeis3.3V
±
0.3V
(**) Voltagerange is 5V
±
0.5V
5.5
ns
4.5
(*)
1.5
5.5
11.0
13.0
ns
4.5
(*)
1.5
3.5
9.0
10.5
ns
4.5
(*)
2.0
3.5
3.5
ns
t
w
4.5
(*)
2.0
3.5
3.5
ns
t
s
4.5
(*)
2.0
4.0
5.0
ns
t
h
4.5
(*)
-0.7
0.5
1.0
ns
t
s
4.5
(*)
1.5
3.0
4.0
ns
t
h
4.5
(*)
-0.5
0.5
1.0
ns
t
s
4.5
(*)
3.0
6.0
8.0
ns
t
h
4.5
(*)
-1.5
0
0.5
ns
t
s
4.5
(*)
3.0
5.5
6.5
ns
t
h
4.5
(*)
-1.5
0
0.5
ns
f
MAX
4.5
(*)
120
200
105
MHz
CAPACITIVE CHARACTERISTICS
Symbol
Parameter
Test Conditions
Value
Unit
V
CC
(V)
T
A
= 25
o
C
Min.
Typ.
-40 to 85
o
C
Min.
Max.
Max.
C
IN
C
PD
Input Capacitance
Power Dissipation
Capacitance (note 1)
5.0
5.0
4.5
35
pF
pF
f
IN
= 10 MHz
1)C
PD
isdefined as thevalue oftheIC’sinternal equivalent capacitance whichiscalculated fromtheoperatingcurrent consumption without load.(Referto
TestCircuit).Average opertingcurrent canbeobtained bythefollowingequation. I
CC
(opr)=C
PD
V
CC
f
IN
+I
CC
/n(per circuit)
74ACT163
5/11
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