MC74HCT245AN

Number of Channels per Chip : 8
Output Type : 3-State
Packaging : Tube
Logic Type : CMOS
Supply Voltage - Max : 5.5 V
Maximum Operating Temperature : + 125 C
Supply Voltage - Min : 4.5 V
Output Level : CMOS
Input Level : TTL
Package / Case : PDIP-20
Propagation Delay Time : 22 ns
High Level Output Current : - 6 mA
Low Level Output Current : 6 mA
Logic Family : HCT


Features:

• Output Drive Capability: 15 LSTTL Loads
• 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 mA
• In Compliance with the Requirements Defined by JEDEC Standard No. 7A
• Chip Complexity: 304 FETs or 76 Equivalent Gates


Pinout




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
LIN	DC Input Current, per Pin	±20	mA
IOUT	DC Onput Current, per Pin	±35	mA
ICC	DC Supply Current Per Supply Pin	±75	mA
PD	Power dissipation in still air piastic DIP SOIC package	750 500	mW
TSTG	Storage Temperature	65 to +150	°C
TL	Lead Temperature, 1 mm from Case for 10 Seconds (Plastic DIP or SOIC Package)	260	°C

*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/
C from 65
to 125
C
SOIC Package: 7 mW/
C from 65
to 125
C
For high frequency or heavy load considerations, see Chapter 2 of the Motorola HighSpeed CMOS Data Book (DL129/D).


Description

The MC74HCT245A is identical in pinout to the LS245. This device may be used as a level converter for interfacing TTL or NMOS outputs to High Speed CMOS inputs.

The MC74HCT245A is a 3state noninverting transceiver that is used for 2way asynchronous communication between data buses. The device has an activelow Output Enable pin, which is used to place the I/O ports into highimpedance states. The Direction control determines whether data flows from A to B or from B to A.