74HC20 Philips, 74HC20 Datasheet - Page 2

• Manufacturer Part Number: 74HC20
• Description: Dual 4-input NAND gate
• Manufacturer: Philips

Philips Semiconductors
FEATURES
GENERAL DESCRIPTION
The 74HC/HCT20 are high-speed Si-gate CMOS devices and are pin compatible with low power Schottky TTL (LSTTL).
They are specified in compliance with JEDEC standard no. 7A. The 74HC/HCT20 provide the 4-input NAND function.
QUICK REFERENCE DATA
GND = 0 V; T
Notes
1. C
2. For HC the condition is V
ORDERING INFORMATION
See
December 1990
t
C
C
PHL
SYMBOL
Output capability: standard
I
Dual 4-input NAND gate
I
PD
CC
f
f
C
V
For HCT the condition is V
i
o
“74HC/HCT/HCU/HCMOS Logic Package Information”
/ t
CC
PD
L
category: SSI
(C
PLH
P
= input frequency in MHz
= output frequency in MHz
= output load capacitance in pF
= supply voltage in V
is used to determine the dynamic power dissipation (P
L
D
= C
V
amb
CC
PD
propagation delay nA, nB, nC, nD to nY
input capacitance
power dissipation capacitance per package
2
= 25 C; t
V
f
o
CC
) = sum of outputs
2
f
r
i
= t
+
PARAMETER
I
I
f
= GND to V
= GND to V
= 6 ns
(C
L
V
CC
2
CC
CC
f
o
) where:
1.5 V
2
.
C
notes 1 and 2
L
D
= 15 pF; V
in W):
CONDITIONS
CC
= 5 V
8
3.5
22
HC
TYPICAL
Product specification
74HC/HCT20
13
3.5
17
HCT
ns
pF
pF
UNIT