74F1240
FEATURES
74F1240, 74F1241-
Octal inverter buffer (3-State)
TYPICAL PROPAGATION DELAY 3.5ns 4.5ns TYPICAL SUPPLY CURRENT (TOTAL) 40m A 46m A
- High impedance NPN base inputs for reduced loading
(20µA in High and Low states)
TYPE 74F1240 74F1241
- Low power, light loading
- Functional pin-for-pin equivalent of 74F240 and 74F241
- 1/30th the bus loading of 74F240 and 74F241
- Provides ideal interface and increase fan-out of MOS microprocessors
ORDERING INFORMATION
DESCRIPTION
20-pin plastic DIP 20-pin plastic SOL MERCIAL RANGE VCC = 5V ±10%, Tamb = 0°C to +70°C N74F1240N N74F1240D DRAWING NUMBER SOT146-1 SOT163-1
- Octal bus interface
- 3-State buffer outputs sink 64m A
- 15m A source current
DESCRIPTION
The 74F1240 and 74F1241 are octal buffers that are ideal for driving bus lines or buffer memory address registers. The outputs are capable of sinking 64m A and sourcing up to 15m A, producing very good capacitive drive characteristics. The device features two Output Enables, OEa and OEb,...
