Save -20% 7421 Dual 4-input AND Gate

7421 Dual 4-input AND Gate

Original price was: 25.00 EGP.Current price is: 20.00 EGP.
SKU IC_7421 SKU SYS Xb1718 Availability In stock
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Description

7421 – 7421 Dual 4-input AND Gate Datasheet

Photograph
7421 Dual 4-input AND Gate
Features

arrowTwo 4-Input AND Gates

arrowOutputs Directly Interface to CMOS, NMOS and TTL

arrowLarge Operating Voltage Range

arrowWide Operating Conditions

arrowNot Recommended for New Designs Use 74LS21

Pin Layout
Pin Description
Pin Number Description
1 A Input Gate 1
2 B Input Gate 1
3 Not Connected
4 C Input Gate 1
5 D Input Gate 1
6 Y Output Gate 1
7 Ground
8 Y Output Gate 2
9 A Input Gate 2
10 B Input Gate 2
11 Not Connected
12 C Input Gate 2
13 D Input Gate 2
14 Vcc – Positive Supply
Dimensional Drawing
DIP14 IC Dimensional Drawing
Technical Data

Absolute Maximum Ratings

Supply Voltage 7V
Input Voltage 5.5V
Operating Free Air Temperature 0°C to 70°C
Storage Temperature Range -65°C to 150°C

Recommended Operating Conditions

Symbol Parameter Min Typ Max Units
Vcc Supply Votage 4.75 5 5.25 V
Vih HIGH Level Input Voltage 2 V
Vil LOW Level Input Voltage 0.8 V
Ioh HIGH Level Output Current -0.4 mA
Iol LOW Level Output Current 16 mA
Ta Free Air Operating Temperature 0 70 °C

Electrical Characteristics

Symbol Parameter Conditions Min Typ Max Units
Vi Input Clamp Voltage Vcc=Min Ii=-12mA -1.5 V
Voh HIGH Level Output Voltage Vcc=Min Ioh=MAX Vil=MAX 2.4 3.4 V
Vol LOW Level Output Voltage Vcc=Min Iol=MAX Vih=MAX 0.2 0.4 V
Ii Input Current@MAX Input Voltage Vcc=Max Vi=5.5V 1 mA
Iih HIGH Level Input Current Vcc=Max Vi=2.4V 40 µA
Iil LOW Level Input Current Vcc=Max Vi=0.4V -1.6 mA
Ios Short Circuit Output Current Vcc=Max -18 -55 mA
Icch Supply Current with Outputs HIGH Vcc=Max 4 8 mA
Iccl Supply Current with Outputs LOW Vcc=Max 12 22 mA

Switching Characteristics at Vcc=5V,Ta=25°C

Symbol Parameter Conditions Min Typ Max Units
tplh Propagation Delay Time LOW-to-HIGH Level Output Cl=15pF Rl=400R 22 nS
tphl Propagation Delay Time HIGH-to-LOW Level Output Cl=15pF Rl=400R 15 nS

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