參數(shù)資料
型號(hào): MC74LCX74
廠商: ON SEMICONDUCTOR
英文描述: Low-Voltage CMOS Dual D-Type Flip-Flop(低壓CMOS雙D型觸發(fā)器)
中文描述: 低電壓CMOS雙D型觸發(fā)器(低壓的CMOS雙?型觸發(fā)器)
文件頁數(shù): 5/8頁
文件大?。?/td> 83K
代理商: MC74LCX74
MC74LCX74
http://onsemi.com
5
DYNAMIC SWITCHING CHARACTERISTICS
T
A
= +25
°
C
Typ
Symbol
Characteristic
Condition
Min
Max
Unit
V
OLP
Dynamic LOW Peak Voltage
(Note 4)
V
CC
= 3.3 V, C
L
= 50 pF, V
IH
= 3.3 V, V
IL
= 0 V
V
CC
= 2.5 V, C
L
= 30 pF, V
IH
= 2.5 V, V
IL
= 0 V
0.8
0.6
V
V
V
OLV
Dynamic LOW Valley Voltage
(Note 4)
4. Number of outputs defined as “n”. Measured with “n1” outputs switching from HIGHtoLOW or LOWtoHIGH. The remaining output is
measured in the LOW state.
V
CC
= 3.3 V, C
L
= 50 pF, V
IH
= 3.3 V, V
IL
= 0 V
V
CC
= 2.5 V, C
L
= 30 pF, V
IH
= 2.5 V, V
IL
= 0 V
0.8
0.6
V
V
CAPACITIVE CHARACTERISTICS
Symbol
Parameter
Condition
Typical
Unit
C
IN
C
OUT
Input Capacitance
V
CC
= 3.3 V, V
I
= 0 V or V
CC
V
CC
= 3.3 V, V
I
= 0 V or V
CC
7
pF
Output Capacitance
8
pF
C
PD
Power Dissipation Capacitance
10 MHz, V
CC
= 3.3 V, V
I
= 0 V or V
CC
25
pF
Figure 3. AC Waveforms
WAVEFORM 2 PROPAGATION DELAYS
t
R
= t
F
= 2.5 ns, 10% to 90%; f = 1 MHz; t
W
= 500 ns
Vcc
0 V
SDn
CDn
1.5 V
On
Vcc
0 V
V
OH
Vmo
On
V
OL
Vmo
Vmo
Vmo
t
PLH
t
PHL
t
PHL
t
PLH
WAVEFORM 1 PROPAGATION DELAYS, SETUP AND HOLD TIMES
t
R
= t
F
= 2.5 ns, 10% to 90%; f = 1 MHz; t
W
= 500 ns
Vcc
0 V
Dn
CPn
Vmi
On,
On
Vcc
0 V
V
OH
V
OL
t
PLH
, t
PHL
t
h
t
s
Vmi
Vmo
f
max
t
w
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