器件名称: MC74AC125
功能描述: QUAD BUFFER WITH 3-STATE OUTPUTS
文件大小: 145.93KB 共5页
简 介:MC74AC125 MC74ACT125 Quad Buffer With 3State Outputs
Outputs Source/Sink ′ACT125 Has TTL Compatible Inputs PIN ASSIGNMENTS
VCC 14 A2 13 B2 12 O2 11 A3 10 B3 9 O3 8
14 1
QUAD BUFFER WITH 3-STATE OUTPUTS
PIN NAMES
An, Bn On 1 A0 2 B0 3 O0 4 A1 5 B1 6 O1 7 GND Inputs Outputs
N SUFFIX CASE 646-06 PLASTIC
FUNCTION TABLE
Inputs An L L H Bn L H X Output On L H Z
D SUFFIX CASE 751A-03 SOIC
H = High Voltage Level L = Low Voltage Level Z = High Impedance X = Immaterial
MAXIMUM RATINGS*
Symbol VCC Vin Vout Iin Iout ICC Tstg 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 VCC or GND Current per Output Pin Storage Temperature Value –0.5 to +7.0 –0.5 to VCC + 0.5 –0.5 to VCC + 0.5 ± 20 ± 50 ± 50 –65 to +150 Unit V V V mA mA mA °C
* Maximum Ratings are those values beyond which damage to the device may occur. Functional operation should be restricted to the Recommended Operating Conditions.
FACT DATA 5-1
MC74AC125 MC74ACT125
RECOMMENDED OPERATING CONDITIONS
Symbol VCC Vin, Vout Supply Voltage DC Input Voltage, Output Voltage (Ref. to GND) VCC @ 3.0 V tr, tf Input Rise and Fall Time (Note 1) ′AC Devices except Schmitt Inputs Junction Temperature (PDIP) Operating Ambient Temperature Range Output Current — HIGH Output Current — LOW –40 25 VCC @ 4.5 V VCC @ 5.5 V TJ TA IOH IOL Parameter ′AC ′ACT Min 2.0 4.5 0 150 40 25 140 85 –24 24 °C °C mA……
