MC74VHC240_11 Datasheet, PDF (4/7 Pages) ON Semiconductor – Octal Bus Buffer/Line Driver Inverting with 3-State Outputs

MC74VHC240
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ AC ELECTRICAL CHARACTERISTICS (Input t_r = t_f = 3.0ns)
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ _Symbol
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ t_PLH,
t_PHL
Parameter
Maximum Propagation Delay,
A to YA or B to YB
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ _tPZL,
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ t_PZH
Output Enable Time
OEA to YA or OEB to YB
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ _tPLZ,
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ _tPHZ
Output Disable Time
OEA to YA or OEB to YB
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ _tOSLH,
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ ^tOSHL
Output to Output Skew
Test Conditions
V_CC = 3.3 ± 0.3V C_L = 15pF
C_L = 50pF
V_CC = 5.0 ± 0.5V C_L = 15pF
C_L = 50pF
V_CC = 3.3 ± 0.3V C_L = 15pF
R_L = 1kΩ
C_L = 50pF
V_CC = 5.0 ± 0.5V C_L = 15pF
R_L = 1kΩ
C_L = 50pF
V_CC = 3.3 ± 0.3V C_L = 50pF
R_L = 1kΩ
V_CC = 5.0 ± 0.5V C_L = 50pF
R_L = 1kΩ
V_CC = 3.3 ± 0.3V C_L = 50pF
(Note 1.)
V_CC = 5.0 ± 0.5V C_L = 50pF
(Note 1.)
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ _Cin
Maximum Input Capacitance
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ _{Cout Maximum Three−State Output}
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ _{Capacitance (Output in}
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ ^{High−Impedance State)}
T_A = 25°C
Min
Typ
Max
5.3
7.5
7.8
11.0
3.6
5.5
5.1
7.5
6.6
10.6
9.1
14.1
4.7
7.3
6.2
9.3
10.3
14.0
6.7
9.2
1.5
1.0
4
10
6
T_A = − 40 to 85°C
Min
Max Unit
1.0
9.0
ns
1.0
12.5
1.0
6.5
1.0
8.5
1.0
12.5 ns
1.0
16.0
1.0
8.5
1.0
10.5
1.0
16.0 ns
1.0
10.5
1.5
ns
1.0
10
pF
pF
Typical @ 25°C, V_CC = 5.0V
C_PD Power Dissipation Capacitance (Note 2.)
17
pF
1. Parameter guaranteed by design. t_OSLH = |t_PLHm − t_PLHn|, t_OSHL = |t_PHLm − t_PHLn|.
2. C_PD 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: I_CC(OPR) = C_PD  V_CC  f_in + I_CC / 8 (per bit). C_PD is used to determine the no−load
dynamic power consumption; P_D = C_PD  V_CC2  f_in + I_CC  V_CC.
NOISE CHARACTERISTICS (Input t_r = t_f = 3.0ns, C_L = 50pF, V_CC = 5.0V)
Symbol
V_OLP
V_OLV
V_IHD
V_ILD
Parameter
Quiet Output Maximum Dynamic V_OL
Quiet Output Minimum Dynamic V_OL
Minimum High Level Dynamic Input Voltage
Maximum Low Level Dynamic Input Voltage
T_A = 25°C
Typ
Max
Unit
0.6
0.9
V
− 0.6
− 0.9
V
3.5
V
1.5
V
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