SN54AC244 - Texas Instruments

SN54AC244 OCTAL BUFFERS/DRIVERS

ordering information These octal buffers and line drivers are designed specifically to improve the performance and density of 3-state memory address drivers, clock drivers, and bus-oriented receivers and transmitters. The ’AC244 devices are organized as two 4-bit buffers/drivers with separate output-enable (OE) inputs. When OE is low, the device passes nonin.

Features

2 4 2Y3 5 1A3 6 2Y2 7 1A4 8 2Y1 9 GND 10 20 VCC 19 2OE 18 1Y1 17 2A4 16 1Y2 15 2A3 14 1Y3 13 2A2 12 1Y4 11 2A1 SN54AC244 . . . FK PACKAGE (TOP VIEW) 2Y4 1A1 1OE VCC 2OE 3 2 1 20 19 1A2 4 18 1Y1 2Y3 5 17 2A4 1A3 6 16 1Y2 2Y2 7 15 2A3 1A4 8 14 1Y3 9 10 11 12 13 2Y1 GND 2A1 1Y4 2A2 ORDERING INFORMATION TA PACKAGE† ORDERABLE PART NUMBER TOP-SIDE MARKING PDIP − N Tube SN74AC244N SN74AC244N SOIC − DW Tube Tape and reel SN74AC244DW SN74AC244DWR AC244 −40°C to 85°C SOP − NS SSOP − DB Tape and reel Tape and reel SN74AC244NSR SN74AC244DBR AC244 AC244 TSSOP − PW CDIP − .