KK74HCT14A
KK74HCT14A is Hex Schmitt-Trigger Inverter manufactured by Kodenshi AUK Group.
TECHNICAL DATA
Hex Schmitt-Trigger Inverter
High-Performance Silicon-Gate CMOS
The KK74HCT14A may be used as a level converter for interfacing TTL or NMOS outputs to high-speed CMOS inputs. The KK74HCT14A is identical in pinout to the LS/ALS14. The KK74HCT14A is useful to “square up” slow input rise and fall times. Due to the hysteresis voltage of the Schmitt trigger, the KK74HCT14A finds applications in noisy environments.
- TTL/NMOS-patible Input Levels.
- Outputs Directly Inferface to CMOS, NMOS and TTL.
- Operating Voltage Range: 4.5 to 5.5 V
- Low Input Current: 1.0 µA
ORDERING INFORMATION KK74HCT14AN Plastic KK74HCT14AD SOIC TA = -55° to 125° C for all packages
LOGIC DIAGRAM PIN ASSIGNMENT
FUNCTION TABLE
Inputs A L H Output Y H L
PIN 14 =VCC PIN 7 = GND
..net
MAXIMUM RATINGS-
Symbol VCC VIN VOUT IIN IOUT ICC PD Tstg TL
- Parameter DC Supply Voltage (Referenced to GND) DC Input Voltage (Referenced to GND) DC Output Voltage (Referenced to GND) DC Input Current, per Pin DC Output Current, per Pin DC Supply Current, VCC and GND Pins Power Dissipation in Still Air, Plastic DIP+ SOIC Package+ Storage Temperature Lead Temperature, 1 mm from Case for 10 Seconds (Plastic DIP or SOIC Package)
Value -0.5 to +7.0 -1.5 to VCC +1.5 -0.5 to VCC +0.5 ±20 ±25 ±50 750 500 -65 to +150 260
Unit V V V m A m A m A m W °C °C
Maximum Ratings are those values beyond which damage to the device may occur. Functional operation should be restricted to the Remended Operating Conditions. +Derating
- Plastic DIP:
- 10 m W/°C from 65° to 125°C SOIC Package: :
- 7 m W/°C from 65° to 125°C
REMENDED OPERATING CONDITIONS
Symbol VIN, VOUT TA tr, tf
- Parameter DC Supply Voltage (Referenced to GND) DC Input Voltage, Output Voltage (Referenced to GND) Operating Temperature, All Package Types Input Rise and Fall Time (Figure 1)
Min 4.5 0 -55 0
Max 5.5 VCC +125 No Limit-
Unit V V °C ns
When VIN ≈ 50% VCC ,ICC>1.0 m...
