Philips 74F2244
The 74F2244 is an octal buffer that is ideal for driving dynamic DRAM with matching impedance. The outputs 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 3–state outputs.| Part No. | 74F2244 |
|---|---|
| Datasheet | 74F2244 Download |
| Manufacturer |  Philips |
| Description | Octal buffer |
| Buy | Stock & Price |
FEATURES
● Octal bus interface● 30Ω output termination ideal for driving DRAM
● 15mA source current
● SSOP Type II Package
DESCRIPTION
TYPICAL PROPAGATION DELAY 4.0ns TYPICAL SUPPLY CURRENT (TOTAL) 30mA TYPE 74F2244 ORDERING INFORMATION ORDER CODEDESCRIPTION
20-pin plastic DIP 20-pin plastic SOL 20-pin plastic SSOP Type II COMMERCIAL RANGE VCC = 5V ±10%, Tamb = 0°C to +70°C N74F2244N N74F2244D N74F2244DB DRAWING NUMBER SOT146-1 SOT163-1 SOT339-1 INPUT AND OUTPUT LOADING AND FAN OUT TABLE PINS Ian, Ibn OEa, OEb Data inputs Output enable inputs (active low)DESCRIPTION
74F (U.L.) HIGH/LOW 1.0/0.33 1.0/0.33 LOAD VALUE HIGH/LOW 20µA/0.2mA 20µA/0.2mA 15mA/5mA Yan, Ybn Data outputs 750/8.33 NOTE: One (1.0) FAST unit load is defined as: 20µA in the high state and 0.6mA in the low state. PIN CONFIGURATION OEa 1 Ia0 2 Yb0 3 Ia1 4 Yb1 5 Ia2 6 Yb2 7 Ia3 8 Yb3 9 GND 10 20 VCC 19 OEb 18 Ya0 17 Ib0 16 Ya1 15 Ib1 14 Ya2 13 Ib2 12 Ya3 11 Ib3 LOGIC SYMBOL 2 4 6 8 17 15 13 11 Ia0 1 19 OEa OEb Ia1 Ia2...
