MC54/74F125 MC54/74F126 3-STATE QUAD BUFFERS
• High Impedance NPN Base Inputs for Reduced Loading QUAD BUFFERS, 3-STATE
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MC54/74F125 MC54/74F126 3-STATE QUAD BUFFERS
High Impedance
NPN Base Inputs for Reduced Loading QUAD BUFFERS, 3-STATE
MC54/74F125
VCC 14 4C 13 4A 12 4Y 11 3C 10 3A 9 3Y 8
FAST™ SHOTTKY TTL
J SUFFIX CERAMIC CASE 632-08
14
1 1C
2 1A
3 1Y
4 2C
5 2A
6 2Y
7 GND
1
MC54/74F126
VCC 14 4C 13 4A 12 4Y 11 3C 10 3A 9 3Y 8
14 1
N SUFFIX PLASTIC CASE 646-06
14 1
D SUFFIX SOIC CASE 751A-02
1 1C
2 1A
3 1Y
4 2C
5 2A
6 2Y
7 GND
ORDERING INFORMATION
MC54FXXXJ MC74FXXXN MC74FXXXD Ceramic Plastic SOIC
GUARANTEED OPERATING RANGES
Symbol VCC TA Supply Voltage Operating Ambient Temperature Range Parameter 54, 74 54 74 IOH IOL Output Current — High 54 74 Output Current — Low 54 74 Min 4.5 –55 0 Typ 5.0 25 25 Max 5.5 125 70 –12 –15 48 64 mA mA Unit V °C
FAST AND LS TTL DATA 4-83
MC54/74F125 MC54/74F126
Function Table MC54/74F125
Inputs C L L H A L H X Output Y L H Z
Function Table MC54/74F126
Inputs C H H L A L H X Output Y L H Z L = LOW Voltage Level H = HIGH Voltage Level X = Don’t Care Z = High Impedance (off)
DC CHARACTERISTICS OVER OPERATING TEMPERATURE RANGE (unless otherwise specified)
Limits Symbol VIH VIL VIK Parameter Input HIGH Voltage Input LOW Voltage Input Clamp Diode Voltage 54,74 74 VOH Output HIGH Voltage 54 74 54 VOL IOZH IOZL IIH Output LOW Voltage 74 Output Off Current HIGH Output Off Current LOW Input HIGH Current 0.55 50 –50 20 100 IIL IOS Input LOW Current Output Short Ciru‘cuit Current Note 2 ICCH F125 ICCL ICCZ ICC F126 ICCH ICCL ICCZ –100 –20 –...
