Quad 3-State Buffer
TECHNICAL DATA
Quad 3-State Noninverting Buffers
High-Speed Silicon-Gate CMOS
IN74AC125
The IN74AC125 is identical in...
Description
TECHNICAL DATA
Quad 3-State Noninverting Buffers
High-Speed Silicon-Gate CMOS
IN74AC125
The IN74AC125 is identical in pinout to the LS/ALS125, HC/HCT125. The device inputs are compatible with standard CMOS outputs; with pullup resistors, they are compatible with LS/ALS outputs. The IN74AC125 noninverting buffers are designed to be used with 3-state memory address drivers, clock drivers, and other bus-oriented systems. The devices have four separate output enables that are active-low. Outputs Directly Interface to CMOS, NMOS, and TTL Operating Voltage Range: 2.0 to 6.0 V Low Input Current: 1.0 µA; 0.1 µA @ 25°C High Noise Immunity Characteristic of CMOS Devices Outputs Source/Sink 24 mA ORDERING INFORMATION IN74AC125N Plastic IN74AC125D SOIC TA = -40° to 85° C for all packages
LOGIC DIAGRAM PIN ASSIGNMENT
FUNCTION TABLE
Inputs A H L X OE L L H Output Y H L Z
w
w
w
.d
e e h s a t a
. u t4
m o c
PIN 14 =VCC PIN 7 = GND
X = don’t care Z = high impedance
1
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IN74AC125
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 Sink/Source 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 -0.5 to VCC...
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