Texas Instruments SNJ54ALS563BJ
Part Number:
- SNJ54ALS563BJ
Manufacturer:
- Texas Instruments
Ventron No:
- 6405888-SNJ54ALS563BJ
Description:
- Octal D-type Transparent Latches With 3-State Outputs
Datasheet:
- sn54als563b
Payment:
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Specifications
Texas Instruments SNJ54ALS563BJ technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments SNJ54ALS563BJ.
- Number of channels8
- Technology familyALS
- Supply voltage (min) (V)4.5
- Supply voltage (max) (V)5.5
- Input typeBipolar
- Output type3-State
- Clock frequency (max) (MHz)75
- IOL (max) (mA)12
- IOH (max) (mA)-1
- Supply current (max) (μA)29000
- FeaturesFlow-through pinout
- Operating temperature range (°C)-55 to 125
- RatingMilitary
Description
These 8-bit D-type transparent latches feature 3-state outputs designed specifically for driving highly capacitive or relatively low-impedance loads. They are particularly suitable for implementing buffer registers, I/O ports, bidirectional bus drivers, and working registers.
While the latch-enable (LE) input is high, the Q outputs follow the complements of data (D) inputs. When LE is taken low, the outputs are latched at the inverses of the levels set up at the D inputs.
A buffered output-enable (OE)\ input places the eight outputs in either a normal logic state (high or low logic levels) or a high-impedance state. In the high-impedance state, the outputs neither load nor drive the bus lines significantly. The high-impedance state and increased high logic level provide the capability to drive bus lines without interface or pullup components.
OE\ does not affect internal operations of the latches. Old data can be retained or new data can be entered while the outputs are in the high-impedance state.
Certification
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