74LS21 Dual 4-input AND Gate IC (7421 IC) DIP-14 Package

Name: 74LS21 Dual 4-input AND Gate IC (7421 IC) DIP-14 Package
SKU: 16996
Price: 15.00 INR
Availability: InStock

₹ 15.00

74LS21 Dual 4-input AND Gate IC (7421 IC) DIP-14 Package quantity

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The 74LS21 contains two independent 4-input AND gates. The 74LS21 is characterized for operation from 0 °C to 70 °C. The 74LS21 features is a package Options include Plastic “small outline” packages, ceramic chips carriers and flat packages and plastic and ceramic DIPs.

Specifications:-

Parameter	Specification
Supply Voltage (VCC)	7 V
Input Voltage (VI)	7 V
Operating free-air temperature range	0°C to +70°C
Storage temperature range	–65°C to +150°C

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Parameter	Specification
Supply Voltage (VCC	− 0.5 to + 7.0V
Input Voltage (VIN)	−1.5V to VCC + 1.5V
Output Voltage (VOUT)	− 0.5 to VCC + 0.5V
Clamp Diode Current (IIK, IOK)	± 20 mA
DC Output Current, per pin (IOUT)	± 35 mA
DC VCC or GND Current, per pin (ICC)	± 70 mA
Storage Temperature Range (TSTG)	− 65°C to + 150°C
Power Dissipation (PD) (Note 4)	600 mW
S.O. Package only	500 mW
Lead Temperature (TL) (Soldering 10 seconds)	260°C

Parameter	Condition	Typical		Unit
Parameter	Condition	HC	HCT	Unit
Propagation delay (tPHL)	CL = 15 pF; VCC = 5 V
CP to Qn		19	21	ns
CP to TC		21	24	ns
MR to Qn		21	23	ns
MR to TC		21	26	ns
CET to TC		14	14	ns
propagation delay (tPLH)
CP to Qn		19	21	ns
CP to TC		21	20	ns
CET to TC		14	7	ns
maximum clock frequency (fmax)		61	31	MHz
input capacitance (C1)		3.5	3.5	pF
power dissipation capacitance per package (CPD)		3.9	34	pF

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