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DM74LS243WMX, DM74LS244, DM74LS244AWM

Table of contents:
Info of DM74LS243WMX
Info of DM74LS244
Info of DM74LS244AWM

DM74LS243WMX, DM74LS244, DM74LS244AWM Selling Leads, Datasheet

MFG:NS Package Cooled:SOP20 D/C:9630+

DM74LS243WMX, DM74LS244, DM74LS244AWM Picture

DM74LS243WMX, DM74LS244, DM74LS244AWM Datasheet download

Five Points

Part Number: DM74LS243WMX

MFG: NS

Package Cooled: SOP20

D/C: 9630+

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DM74LS244 General Description

These buffers/line drivers are designed to improve both the performance and PC board density of TRI-STATE buffers/drivers employed as memory-address drivers, clock drivers, and bus-oriented transmitters/receivers. Featuring 400 mV of hysteresis at each low current PNP data line input, they provide improved noise rejection and high fanout outputs and can be used to drive terminated lines down to 133.

DM74LS244 Maximum Ratings

Supply Voltage .............................................7V
Input Voltage............................................... 7V
Operating Free Air Temperature Range
54LS..................................... -55 to +125
DM74LS........................................ 0 to 70
Storage Temperature Range ......-65 to 150

DM74LS244 Features

*TRI-STATE outputs drive bus lines directly
*PNP inputs reduce DC loading on bus lines
*Hysteresis at data inputs improves noise margins
*Typical I_OL (sink current)
   54LS    12 mA
   74LS    24 mA
*Typical I_OH (source current)
   54LS   b12 mA
   74LS    b15 mA
*Typical propagation delay times
   Inverting    10.5 ns
   Noninverting    12 ns
*Typical enable/disable time 18 ns
*Typical power dissipation (enabled)
   Inverting    130 mW
   Noninverting 135 mW

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