參數(shù)資料
型號(hào): MC74VHCT540AM
廠商: ON SEMICONDUCTOR
元件分類: 通用總線功能
英文描述: Octal Bus Buffer Inverting
中文描述: AHCT/VHCT SERIES, 8-BIT DRIVER, INVERTED OUTPUT, PDSO20
封裝: EIAJ, SOIC-20
文件頁數(shù): 3/8頁
文件大?。?/td> 172K
代理商: MC74VHCT540AM
MC74VHCT540A
VHC Data – Advanced CMOS Logic
DL203 — Rev 2
3
MOTOROLA
di i
tPHL
Delay, A to Y
tPZH
OEn to Y
(Figures 2 and 4)
RL = 1k
TA = 25
°
C
85
°
C
10.5
1.0
14.0
1.0
16.0
TA = – 40 to
TA
125
°
C
Min
Min
Max
Max
tPLZ,
OEn to Y
(Figures 2 and 4)
tOSHL
9.3
11.2
7.3
10.5
12.0
1.0
10
19.0
13.0
20.0
11.5
14.0
VCC = 5.0
±
0.5V
CL = 15pF
3.7
9.2
15.4
1.0
5.0
1.0
6.0
8.0
Output Disable Time,
Cin
Maximum Input
0.3V
6.2
1.0
12.5
15.0
ns
RL = 1k
1.5
ns
17.5
(Note 1.)
0.5V
(Note 1.)
1.0
10.0
in High Impedance State)
±
CL = 50pF
ns
4
10
10
pF
CPD
Power Dissipation Capacitance (Note 2.)
2 )
Typical @ 25
°
C, VCC = 5.0V
17
pF
1. Parameter guaranteed by design. tOSLH = |tPLHm – tPLHn|, tOSHL = |tPHLm – tPHLn|.
2. CPD is defined as the value of the internal equivalent capacitance which is calculated from the operating current consumption without load.
Average operating current can be obtained by the equation: ICC(OPR
)
= CPD VCC fin + ICC/8 (per bit). CPD is used to determine the no–load
dynamic power consumption; PD = CPD VCC2 fin + ICC VCC.
NOISE CHARACTERISTICS
(Input tr = tf = 3.0ns, CL = 50pF, VCC = 5.0V)
Symbol
b l
Parameter
TA = 25
°
C
Typ
U i
Unit
Max
VOLP
VOLV
VIHD
VILD
Quiet Output Maximum Dynamic VOL
Quiet Output Minimum Dynamic VOL
Minimum High Level Dynamic Input Voltage
0.9
1.2
V
– 0.9
– 1.2
V
3.5
V
Maximum Low Level Dynamic Input Voltage
1.5
V
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