tc74vhc21f TOSHIBA Semiconductor CORPORATION, tc74vhc21f Datasheet - Page 4

• Manufacturer Part Number: tc74vhc21f
• Description: Dual 4-input And Gate
• Manufacturer: TOSHIBA Semiconductor CORPORATION

Input Equivalent Circuit
INPUT
AC Characteristics
Propagation delay
time
Input capacitance
Power dissipation
capacitance
Note: C
Characteristics
current consumption without load.
Average operating current can be obtained by the equation:
PD
I
is defined as the value of the internal equivalent capacitance which is calculated from the operating
CC (opr)
= C
PD
Symbol
(input: t
C
t
t
C
pLH
pHL
·V
PD
IN
CC
·f
IN
r
+ I
= t
CC
f
⎯
= 3 ns)
/2 (per gate)
Test Condition
3.3 ± 0.3
5.0 ± 0.5
V
⎯
CC
(V)
4
C
L
15
50
15
50
(Note)
(pF)
Min
⎯
⎯
⎯
⎯
⎯
⎯
Ta = 25°C
Typ.
4.8
7.3
3.3
4.8
20
4
TC74VHC21F/FN/FT
Max
10.5
7.0
5.0
7.0
10
⎯
Min
−40 to 85°C
1.0
1.0
1.0
1.0
⎯
⎯
Ta =
2007-10-01
12.0
Max
8.5
6.0
8.0
10
⎯
Unit
pF
pF
ns