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KK74ACT299

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°C• Outputs Source/Sink 24 mAPinoutSpecifications Symbol Parameter Value Unit VCC DC...

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SeekIC No. : 004385775 Detail

KK74ACT299: 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°C...

KK74ACT299 Data Sheet

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Part Number:
KK74ACT299
Supply Ability:
5000

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Product Details

Description



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°C
• Outputs Source/Sink 24 mA


Pinout

Connection Diagram


Specifications

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 V
IOUT DC Output Current, per Pin ±50 mA
ICC DC Supply Current, VCC and GND Pins ±50 mA
PD Power Dissipation in Still Air, Plastic DIP+ SO Package+ 750
500		 mW
Tstg Storage Temperature -65 to +150
TL Lead Temperature, 1 mm from Case for 10 Seconds (Plastic DIP or SO 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


Description

The KK74ACT299 is identical in pinout to the LS/ALS299, HC/HCT299. The KK74ACT299 may be used as a level converter for interfacing TTL or NMOS outputs to High Speed CMOS inputs.
The KK74ACT299 features a multiplexed parallel input/output data port to achieve full 8-bit handling in a 20 pin package. Due to the large output drive capability and the 3-state feature, this device is ideally suited for interface with bus lines in a bus-oriented system.
Two Mode-Select inputs and two Output Enable inputs are used to choose the mode of operation as listed in the Function Table. Synchronous parallel loading is accomplished by taking both Mode-Select lines, S1 and S2, high. This places the outputs in the high-impedance state, which permits data applied to the data port to be clocked into the register. Reading out of the register can be accomplished when the outputs are enabled. The active-low asynchronous Reset overrides all other inputs.




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