N74F2244D

The N74F2244D is a kind of octal buffer that is ideal for driving dynamic DRAM with matching impedance. The outputs of N74F2244D are all capable of sinking 5mA and sourcing up to 15mA. The device features two output enables, OEa and OEb, each controlling four of the 3state outputs.

There are some features of N74F2244D as follows: (1)Octal bus interface; (2)30 output termination ideal for driving DRAM; (3)15mA source current; (4)SSOP Type II Package

Then is about the absolute maximum ratings of N74F2244D: (1)VCC, Supply voltage: 0.5 to +7.0 V; (2)VIN, Input voltage: 0.5 to +7.0 V; (3)IIN, Input current: 30 to +5 mA; (4)VOUT, Voltage applied to output in high output state: 0.5 to VCC V; (5)IOUT, Current applied to output in low output state: 10 mA; (6)Tamb, Operating free air temperature range: 0 to +70; (7)Tstg, Storage temperature range: 65 to +150.

The last one is about the recommended operating conditions of N74F2244D: (1)VCC, Supply voltage: 4.5 V min, 5.0 V typ and 5.5 V max; (2)IIK, Input clamp current: 18 mA max; (3)IOH, High-level output current: 15 mA max; (4)IOL, Low-level output current: 5 mA max; (5)VIH, high level input voltage: 2.0 V min; (6)VIL, low level input voltage: 0.8 V max; (5)Tamb, Operating free-air temperature range: 0 to +70.