Product Summary

The SN74LS244N is an octal buffer and line driver. It is designed specifically to improve both the performance and density of three-state memory address drivers, clock drivers, and bus-oriented receivers and transmitters. The SN74LS244N features high fan-out, improved fan-in, and 400-mV noise margin. The device can be used to drive terminated lines down to 133Ω.

Parametrics

SN74LS244N absolute maximum ratings: (1)Supply voltage, VCC: 7V; (2)Input voltage, VI: 7V; (3)Off-state output voltage: 5.5V; (4)Package thermal impedance, θJA: DB package: 70℃/W; DW package: 58℃/W; N package: 69℃/W; NS package: 60℃/W; (5)Storage temperature range, Tstg: -65℃ to 150℃.

Features

SN74LS244N features: (1)3-State Outputs Drive Bus Lines or Buffer Memory Address Registers; (2)PNP Inputs Reduce DC Loading; (3)Hysteresis at Inputs Improves Noise Margins.

Diagrams

SN74LS244N block diagram

Image Part No Mfg Description Data Sheet Download Pricing
(USD)		 Quantity
SN74LS244N
SN74LS244N
Texas Instruments
Buffers & Line Drivers Tri-State Octal
Data Sheet
0-1: $0.49
1-25: $0.44
25-100: $0.39
100-250: $0.34
SN74LS244NE4
SN74LS244NE4
Texas Instruments
Buffers & Line Drivers Octal Buff/Line Drvr W/3-State Otpt
Data Sheet
0-1: $0.49
1-25: $0.44
25-100: $0.39
100-250: $0.34
SN74LS244NSRG4
SN74LS244NSRG4
Texas Instruments
Buffers & Line Drivers Octal Buff/Line Drvr W/3-State Otpt
Data Sheet
0-1: $0.49
1-25: $0.40
25-100: $0.36
100-250: $0.32
SN74LS244NSR
SN74LS244NSR
Texas Instruments
Buffers & Line Drivers Octal Buff/Line Drvr W/3-State Otpt
Data Sheet
0-1: $0.49
1-25: $0.44
25-100: $0.39
100-250: $0.34
SN74LS244NSRE4
SN74LS244NSRE4
Texas Instruments
Buffers & Line Drivers Octal Buff/Line Drvr W/3-State Otpt
Data Sheet
0-1400: $0.23
1400-2000: $0.21
2000-5000: $0.21
5000-10000: $0.20