Product Summary
The MC74HC245AN is an octal 3-state noninverting bus transcier. The MC74HC245AN inputs are compatible with standard CMOS outputs; with pull-up resistors, they are compatible with LSTTL outputs. The MC74HC245AN has an active-low Output Enable pin, which is used to place the I/O ports into high-impedance states.
Parametrics
MC74HC245AN absolute maximum ratings: (1) DC Supply Voltage VCC: -0.5V to +7.0V; (2) DC Input Voltage VIN: -0.5V to Vcc to +0.5V; (3) DC Output Voltage VOUT: -0.5V to Vcc to +0.5V; (4) DC Input Diode Current IIK: ±20mA; (5) DC Output Diode Current IOK: ±35mA; (6) DC Output Sink Current IOUT: ±35mA: (7) DC Supply Current per Supply Pin ICC: ±75mA: (8) DC Ground Current per Ground Pin IGND: ±75mA; (9) Storage Temperature Range TSTG: -65 to 150°C; (10) Lead Temperature, 1 mm from Case for 10 Seconds TL: 260°C; (11) Junction Temperature Under Bias Tj: +150°C; (12) Thermal Resistance: 67°C/W; (13) Power Dissipation in Still Air at 85°C: 750mW; (14) Moisture Sensitivity MSL: level 1; (15) Flammability Rating FR: Oxygen Index: 30% to 35% (UL 94V-0@0.125 in) ; (16) ESD Withstand Voltage Human Body Model: >2000, Machine Model: >200, Charged Device Model>1000; (17) Latchup Performance Above Vcc and Below GND at 85°C: ±300mA.
Features
MC74HC245AN features: (1) Output Drive Capability: 15 LSTTL Loads; (2) Outputs Directly Interface to CMOS, NMOS, and TTL; (3) Operating Voltage Range: 2.0 to 6.0V; (4) Low Input Current: 1μA; (5) High Noise Immunity Characteristic of CMOS Devices; (6) In Compliance with the Requirements Defined by JEDEC Standard No. 7A; (7) Moisture Sensitivity: MSL1 for All Packages; (8) Chip Complexity: 308 FETs or 77 Equivalent Gates; (9) Pb-Free Packages are Available.
Diagrams

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![]() MC74HC245AN |
![]() ON Semiconductor |
![]() Bus Transceivers 2-6V Octal 3-State |
![]() Data Sheet |
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![]() MC74HC245ANG |
![]() ON Semiconductor |
![]() Bus Transceivers 2-6V Octal 3-State Non-Inverting Bus |
![]() Data Sheet |
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