參數(shù)資料
型號: 74AC273PC
廠商: FAIRCHILD SEMICONDUCTOR CORP
元件分類: 通用總線功能
英文描述: Octal D-Type Flip-Flop
中文描述: AC SERIES, OCTAL POSITIVE EDGE TRIGGERED D FLIP-FLOP, TRUE OUTPUT, PDIP20
封裝: 0.300 INCH, LEAD FREE, PLASTIC, MS-001, DIP-20
文件頁數(shù): 5/10頁
文件大小: 70K
代理商: 74AC273PC
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)
3.3
(*)
5.0
(*)
3.3
(*)
5.0
(**)
3.3
(*)
5.0
(**)
3.3
(*)
5.0
(**)
3.3
(*)
5.0
(**)
3.3
(*)
5.0
(**)
3.3
(*)
5.0
(**)
3.3
(*)
5.0
(**)
T
A
= 25
o
C
Min.
Typ.
4.0
3.0
4.0
3.0
5.5
4.0
5.5
4.0
5.5
4.0
1.5
1.5
4.0
3.0
90
140
-40 to 85
o
C
Min.
3.0
2.5
3.0
2.5
6.0
4.5
6.0
4.5
6.0
4.5
1.5
1.5
4.5
3.0
75
125
Max.
12.5
9.0
13.0
10.0
Max.
14.0
10.0
14.0
11.0
t
PLH
t
PHL
Propagation Delay Time
CLOCK to Q
8.0
5.5
8.5
6.5
ns
t
PHL
Propagation Delay Time
CLEAR to Q
ns
t
w
CLEAR pulse Width
ns
t
w
CLOCK pulse Width
ns
t
s
Setup Time D to CK
HIGH or LOW
ns
t
h
Hold Time D to CK
HIGH or LOW
ns
t
REM
Recovery Time CLEAR
to CLOCK
ns
f
MAX
Maximum Clock
Frequency
MHz
190
*) Voltagerange is3.3V
±
0.3V
(**) Voltagerange is 5V
±
0.5V
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
pF
pF
f
IN
= 10 MHz
TBD
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)
74AC273
5/10
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