tc74vhc20fk TOSHIBA Semiconductor CORPORATION, tc74vhc20fk Datasheet - Page 4

• Manufacturer Part Number: tc74vhc20fk
• Description: Dual 4-input Nand 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
Symbol
PD
(input: t
C
t
t
C
pLH
pHL
PD
·V
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
TC74VHC20F/FN/FT/FK
Typ.
4.6
7.1
3.3
4.8
19
4
Max
10.1
6.6
5.0
7.0
10
―
Min
−40 to 85°C
1.0
1.0
1.0
1.0
―
―
Ta =
2008-05-01
11.5
Max
8.0
6.0
8.0
10
―
Unit
pF
pF
ns