Features: Common features:`Low input and output leakage £1mA (max.)`CMOS power levels`True TTL input and output compatibility`VOH = 3.3V (typ.)`VOL = 0.3V (typ.)`Meets or exceeds JEDEC standard 18 specifications`Product available in Radiation Tolerant and Radiation Enhanced versions`Military...
74FCT543T: Features: Common features:`Low input and output leakage £1mA (max.)`CMOS power levels`True TTL input and output compatibility`VOH = 3.3V (typ.)`VOL = 0.3V (typ.)`Meets or exceeds JEDEC standar...
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Features: Std., A and C speed gradesLow input and output leakage ?1A (max.)CMOS power levelsTrue T...
Features: Std., A and C speed gradesLow input and output leakage ?1A (max.)CMOS power levelsTrue T...
Common features:
`Low input and output leakage £1mA (max.)
`CMOS power levels
`True TTL input and output compatibility
`VOH = 3.3V (typ.)
`VOL = 0.3V (typ.)
`Meets or exceeds JEDEC standard 18 specifications
`Product available in Radiation Tolerant and Radiation Enhanced versions
`Military product compliant to MIL-STD-883, Class B and DESC listed (dual marked)
`Available in DIP, SOIC, SSOP, QSOP, CERPACK and LCC packages
Symbol | Rating | Commercial | Military | Unit |
VTERM(2) | Terminal Voltage with Respect to GND |
0.5 to +7.0 | 0.5 to +7.0 | V |
VTERM(3) | Terminal Voltage with Respect to GND |
0.5 to VCC +0.5 |
0.5 to VCC +0.5 |
V |
TA | Operating Temperature |
0 to +70 | 55 to +125 | |
TBIAS | Temperature Under Bias |
55 to +125 | 65 to +135 | |
TSTG | Storage Temperature |
55 to +125 | 65 to +150 | |
PT | Power Dissipation | 0.5 | 0.5 | W |
IOUT | DC Output Current |
60 to +120 | 60 to +120 | mA |
The 74FCT543T is a non-inverting octal transceiver built using an advanced dual metal CMOS technology. This device contains two sets of eight D-type latches with separate input and output controls for each set. For data flow from A to B, for example, the A-to-B Enable (CEAB) input must be LOW in order to enter data from A0A7 or to take data from B0B7, as indicated in the Function Table. With CEAB LOW, a LOW signal on the A-to-B Latch Enable (LEAB) input makes the A-to-B latches transparent; a subsequent LOW-to-HIGH transition of the LEAB signal puts the A latches in the storage mode and their outputs no longer change with the A inputs. With CEAB and OEAB both LOW, the 3-state B output buffers of the 74FCT543T are active and reflect the data present at the output of the A latches. Control of data from B to A is similar, but uses the CEBA, LEBA and OEBA inputs.
The 74FCT543T has balanced output drive with current limiting resistors. This offers low ground bounce, minimal undershoot and controlled output fall times-reducing the need for external series terminating resistors. FCT2xxxT parts are plug-in replacements for FCTxxxT parts.