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Numéro de référence | KK74HCT21A | ||
Description | Dual 4-Input AND Gate | ||
Fabricant | KODENSHI KOREA | ||
Logo | |||
Dual 4-Input AND Gate
TECHNICAL DATA
KK74HCT21A
The KK74HCT21A is high-speed Si-gate CMOS device and is pin
compatible with low power Schottky TTL (LSTTL) . The device provide
the Dual 4-input AND function.
• Outputs Directly Interface to CMOS, NMOS, and TTL
• Operating Voltage Range: 4.5 to 5.5 V
• Low Input Current: 1.0 µA
• High Noise Immunity Characteristic of CMOS Devices
ORDERING INFORMATION
KK74HCT21AN Plastic
KK74HCT21AD SOIC
TA = -55° to 125° C for all packages
LOGIC DIAGRAM
A1
B1
C1
A2
B2
C2
D2
PIN 14 =VCC
PIN 7 = GND
PIN ASSIGNMENT
A1 1
14 V CC
Y1
B1 2
13 D2
3 12 C2
C1 4
11
D1 5
10 B2
Y1 6
9 A2
GND 7
8 Y2
Y2
FUNCTION TABLE
Inputs
ABС
LXX
XLX
XXL
XXX
HHH
X = don’t care
Output
DY
XL
XL
XL
LL
HH
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Pages | Pages 5 | ||
Télécharger | [ KK74HCT21A ] |
No | Description détaillée | Fabricant |
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