QUAD 3-STATE BUFFERS
VCC 14 E 13 D 12 O 11 E 10 D 9 O 8
SN54/74LS125A SN54/74LS126A
QUAD 3-STATE BUFFERS
LOW POWER SCH...
QUAD 3-STATE BUFFERS
VCC 14 E 13 D 12 O 11 E 10 D 9 O 8
SN54/74LS125A SN54/74LS126A
QUAD 3-STATE BUFFERS
LOW POWER
SCHOTTKY
1 E
2 D
3 O
4 E
5 D
6 O
7 GND
LS125A
VCC 14 E 13 D 12 O 11 E 10 D 9 O 8
14 1
J SUFFIX CERAMIC CASE 632-08
14 1
N SUFFIX PLASTIC CASE 646-06
1 E
2 D
3 O
4 E
5 D
6 O
7 GND
14 1
LS126A
D SUFFIX SOIC CASE 751A-02
TRUTH TABLES LS125A
INPUTS E L L H D L H X OUTPUT L H (Z) INPUTS E H H L D L H X OUTPUT L H (Z)
LS126A ORDERING INFORMATION
SN54LSXXXJ SN74LSXXXN SN74LSXXXD Ceramic Plastic SOIC
L = LOW Voltage Level H = HIGH Voltage Level X = Don’t Care (Z) = High Impedance (off)
GUARANTEED OPERATING RANGES
Symbol VCC TA IOH IOL Supply Voltage Operating Ambient Temperature Range Output Current — High Output Current — Low Parameter 54 74 54 74 54 74 54 74 Min 4.5 4.75 – 55 0 Typ 5.0 5.0 25 25 Max 5.5 5.25 125 70 – 1.0 – 2.6 12 24 Unit V °C mA mA
FAST AND LS TTL DATA 5-207
SN54/74LS125A SN54/74LS126A
DC CHARACTERISTICS OVER OPERATING TEMPERATURE RANGE (unless otherwise specified)
Limits Symbol VIH VIL VIK VOH Parameter Input HIGH Voltage 54 Input LOW Voltage 74 Input Clamp Diode Voltage 54 Output HIGH Voltage 74 54, 74 VOL IOZH IOZL IIH IIL IOS ICC Output LOW Voltage 74 Output Off Current HIGH Output Off Current LOW Input HIGH Current 0.1 Input LOW Current Short Circuit Current (Note 1) LS125A Power Supply Current LS126A 22 – 40 – 0.4 –225 20 mA VCC = MAX 0.35 0.5 20 – 20 20 V µA µA µA mA mA mA 2.4 0.25 0.4 V V 2.4 – 0.65 0.8 – 1.5 V V M...