HD74LS244P

HD74LS244 Octal Buffers / Line Drivers / Line Receivers (non inverted three-state outputs) Features Ordering Information Part Name Package Type Package Code (Previous Code) Package Abbreviation HD74LS244P DILP-20 pin PRDP0020AC-B (DP-20NEV) P HD74LS244FPEL SOP-20 pin (JEITA) PRSP0020DD-B FP (FP-20DAV) HD74LS244RPEL SOP-20 pin (JEDEC) PRSP0020DC-A (FP-20DBV) RP Note: Please consult the sales office for the above package availability. Pin Arrangement 1G 1 1A1 2 2Y4 3 1A2 4 2Y3 5 1A3 6 2Y2 7 1A4 8 2Y1 9 GND 10 20 VCC 19 2G 18 1Y1 17 2A4 16 1Y2 15 2A3 14 1Y3 13 2A2 12 1Y4 11 2A1 (Top view) REJ03D0463–0200 Rev.2.00 Feb.18.2005 Taping Abbreviation (Quantity) — EL (2,000 pcs/reel) EL (1,000 pcs/reel) Rev.2.00, Feb.18.2005, page 1 of 5 HD74LS244 Function Table Note: Inputs G A H X L H L L H; high level, L; low level, X; irrelevant, Z; off (high-impedance) state of a 3-state output Output Y Z H L Block Diagram (1/2) A1 Y1 A2 Y2 A3 Y3 A4 Y4 G Absolute Maximum Ratings Item Symbol Ratings Unit Supply voltage VCC 7 V Input voltage VIN 7 V Power dissipation Storage temperature PT Tstg 400 mW –65 to +150 °C Note: Voltage value, unless otherwise noted, are with respect to network ground terminal. Recommended Operating Conditions Item Supply voltage Output current Operating temperature Symbol VCC IOH IOL Topr Min 4.75 — — –20 Typ 5.00 — — 25 Max 5.25 –15 24 75 Unit V mA mA °C Rev.2.00, Feb.18.2005, page 2 of 5 HD74...