MC74HCT244A データシートの表示（PDF） - Motorola => Freescale
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MC74HCT244A
Motorola => Freescale
MC74HCT244A Datasheet PDF : 7 Pages
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MC54/74HCT244A
DC ELECTRICAL CHARACTERISTICS (Voltages Referenced to GND)
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Symbol
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ IOZ
Parameter
Maximum Three–State
Leakage Current
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ ICC
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ ∆ICC
Maximum Quiescent Supply
Current (per Package)
Additional Quiescent Supply
Current
Test Conditions
Output in High–Impedance State
Vin = VIL or VIH
Vout = VCC or GND
Vin = VCC or GND
Iout = 0 µA
Vin = 2.4 V, Any One Input
Vin = VCC or GND, Other Inputs
lout = 0 µA
VCC
V
5.5
5.5
5.5
Guaranteed Limit
– 55 to
25_C
v v 85_C
125_C
Unit
± 0.5
± 5.0
± 10
µA
4
40
160
µA
≥ –55_C
2.9
25_C to 125_C
2.4
mA
NOTES:
1. Information on typical parametric values along with frequency or heavy load considerations can be found in Chapter 2 of the Motorola High–
Speed CMOS Data Book (DL129/D).
2. Total Supply Current = ICC + Σ∆ICC.
AC ELECTRICAL CHARACTERISTICS (VCC = 5.0 V ± 10%, CL = 50 pF, Input tr = tf = 6 ns)
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Guaranteed Limit
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Symbol
Parameter
– 55 to
25_C
v v 85_C
125_C Unit
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ tPLH,
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ tPHL
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ tPLZ,
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ tPHZ
Maximum Propagation Delay, A to YA or B to YB
(Figures 1 and 3)
Maximum Propagation Delay, Output Enable to YA or YB
(Figures 2 and 4)
20
25
30
ns
26
33
39
ns
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ tPZL,
tPZH
Maximum Propagation Delay, Output Enable to YA or YB
(Figures 2 and 4)
22
28
33
ns
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ tTLH,
tTHL
Maximum Output Transition Time, Any Output
(Figures 1 and 3)
12
15
18
ns
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Cin
Maximum Input Capacitance
10
10
10
pF
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Cout
Maximum Three–State Output Capacitance (Output in High–Impedance
15
15
15
pF
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ State)
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ NOTE: For propagation delays with loads other than 50 pF, and information on typical parametric values, see Chapter 2 of the Motorola High–
Speed CMOS Data Book (DL129/D).
Typical @ 25°C, VCC = 5.0 V
CPD
Power Dissipation Capacitance (Per Enabled Output)*
55
pF
* Used to determine the no–load dynamic power consumption: PD = CPD VCC2f + ICC VCC. For load considerations, see Chapter 2 of the
Motorola High–Speed CMOS Data Book (DL129/D).
SWITCHING WAVEFORMS
tr
INPUT
A OR B
tPLH
OUTPUT
YA OR YB
2.7 V
1.3 V
0.3 V
90%
1.3 V
10%
tTLH
Figure 1.
tf
3V
GND
tPHL
tTHL
ENABLE
A OR B
OUTPUT Y
OUTPUT Y
1.3 V
tPZL tPLZ
1.3 V
tPZH tPHZ
1.3 V
Figure 2.
3V
GND
HIGH
IMPEDANCE
10% VOL
90% VOH
HIGH
IMPEDANCE
High–Speed CMOS Logic Data
3
DL129 — Rev 6
MOTOROLA
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