Texas Instruments 5962-8763101SA
- Part Number:
- 5962-8763101SA
- Manufacturer:
- Texas Instruments
- Ventron No:
- 6405728-5962-8763101SA
- Description:
- Octal D-type Edge-Triggered Flip-Flops With 3-State Outputs
- Datasheet:
- sn54act374
- Number of channels8
- Technology familyACT
- Supply voltage (min) (V)4.5
- Supply voltage (max) (V)5.5
- Input typeTTL-Compatible CMOS
- Output type3-State
- Clock frequency (max) (MHz)90
- IOL (max) (mA)24
- IOH (max) (mA)-24
- Supply current (max) (μA)40
- FeaturesBalanced outputs
- Operating temperature range (°C)-55 to 125
- RatingMilitary
These 8-bit flip-flops feature 3-state outputs designed specifically for driving highly capacitive or relatively low-impedance loads. The devices are particularly suitable for implementing buffer registers, I/O ports, bidirectional bus drivers, and working registers.
The eight flip-flops of the ACT374 devices are D-type edge-triggered flip-flops. On the positive transition of the clock (CLK) input, the Q outputs are set to the logic levels set up at the data (D) inputs.
A buffered output-enable (OE)\ input can be used to place the eight outputs in either a normal logic state (high or low logic levels) or the high-impedance state. In the high-impedance state, the outputs neither load nor drive the bus lines significantly. The high-impedance state and the increased drive provide the capability to drive bus lines in bus-organized systems without need for interface or pullup components.
OE\ does not affect internal operations of the flip-flop. Old data can be retained or new data can be entered while the outputs are in the high-impedance state.
To ensure the high-impedance state during power up or power down, OE\ should be tied to VCC through a pullup resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver.
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