Features: • TTL/NMOS Compatible Input Levels• Outputs Directly Interface to CMOS, NMOS, and TTL• Operating Voltage Range: 4.5 to 5.5 V• Low Input Current: 1.0 A; 0.1 A @ 25• Outputs Source/Sink 24 mAPinoutSpecifications Symbol Parameter Value Unit V...
KK74ACT245: Features: • TTL/NMOS Compatible Input Levels• Outputs Directly Interface to CMOS, NMOS, and TTL• Operating Voltage Range: 4.5 to 5.5 V• Low Input Current: 1.0 A; 0.1 A @ 25...
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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 +1.5 |
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 Supply Current, VCC and GND Pins |
±50 |
mA |
PD |
Power Dissipation in Still Air, Plastic DIP+ SOIC Package+ |
750 500 |
mW |
Tstg |
Storage Temperature |
-65 to +150 |
|
TL |
Lead Temperature, 1 mm from Case for 10 Seconds (Plastic DIP or SOIC Package) |
260 |
*Maximum Ratings are those values beyond which damage to the device may occur.
Functional operation should be restricted to the Recommended Operating Conditions.
+Derating - Plastic DIP: - 10 mW/ from 65° to 125 SOIC Package: : - 7 mW/from 65° to 125
The KK74ACT245 is identical in pinout to the LS/ALS245, HC/HCT245. The KK74ACT245 may be used as a level converter for interfacing TTL or NMOS outputs to High Speed CMOS inputs.
The KK74ACT245 is a 3-state noninverting transceiver that is used for 2-way asynchronous communication between data buses. The device has an active-low Output Enable pin, which is used to place the I/O ports into high-impedance states. The Direction control determines whether data flows from A to B or from B to A.