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Hello. Welcome to Futurlec. The ELECTRONIC COMPONENTS Superstore. To find the component your looking for, either search by Part Number or visit the relative department.
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IC 7400 SERIES

7408 - Quad 2-Input AND Gate
Pin Layout
7408 pin layout
Features
Output Drive Capability - 10 LSTTL Loads
Outputs Directly Interface to CMOS, NMOS and TTL
Large Operating Voltage Range
Low Input Current
High Noise Immunity

Pin Description
Pin Number Description
1 A Input Gate 1
2 B Input Gate 1
3 Y Output Gate 1
4 A Input Gate 2
5 B Input Gate 2
6 Y Output Gate 2
7 Ground
8 Y Output Gate 3
9 B Input Gate 3
10 A Input Gate 3
11 Y Output Gate 4
12 B Input Gate 4
13 A Input Gate 4
14 Positive Supply
Dimension Drawing
IC Dimension Drawing

Technical Data
Absolute Maximum Ratings
Supply Voltage 7V
Input Voltage 5.5V
Operating Free Air Temperature 0oC to +70oC
Storage Temperature Range -65oC to +150oC

Recommended Operating Conditions
Symbol Parameter Min Nom Max Units
Vcc Supply Voltage 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 oC

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 uA
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=25oC
Symbol Parameter Conditions Min Max Units
tplh Propogation Delay Time LOW-to-HIGH Level Output Cl=15pF Rl=400R   22 nS
tphl Propogation Delay Time HIGH-to-LOW Level Output   15 nS



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