Features: • Common Parallel I/O for Reduced Pin Count• Additional Serial Inputs and Outputs for Expansion• Four Operating Modes: Shift Left, Shift Right, Load and Store• 3-State Outputs for Bus-Oriented Applications• Outputs Source/Sink 24 mA• 'ACT299 Has TTL Co...
MC74AC299: Features: • Common Parallel I/O for Reduced Pin Count• Additional Serial Inputs and Outputs for Expansion• Four Operating Modes: Shift Left, Shift Right, Load and Store• 3-St...
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Features: Operating range: 38 to 47 Gb/s (min.) (note)Signal regeneration with full-rate clock sig...
Symbol |
Parameter |
Value |
Unit |
VCC |
DC Supply Voltage (Referenced to GND) |
0.5 to +7.0 |
V |
Vin |
DC Input Voltage (Referenced to GND) |
0.5 to VCC +0.5 |
V |
Vout |
DC Output Voltage (Referenced to GND) |
0.5 to VCC +0.5 |
V |
Iin |
DC Input Current, per Pin |
±20 |
mA |
Iout |
DC Output Sink/Source Current, per Pin |
±50 |
mA |
ICC |
DC VCC or GND Current per Output Pin |
±50 |
mA |
Tstg |
Storage Temperature |
65 to +150 |
The MC74AC299/74ACT299 is an 8-bit universal shift/storage register with 3-state outputs. Four modes of operation are possible: hold (store), shift left, shift right and load data. The parallel load inputs of MC74AC299 and flip-flop outputs are multiplexed to reduce the total number of package pins. Additional outputs are provided for flip-flops Q0, Q7 to allow easy serial cascading. A separate active LOW Master Reset is used to reset the register.