SN54LV126A, SN74LV126A
QUADRUPLE BUS BUFFER GATES
WITH 3STATE OUTPUTS
SCES131H MARCH 1998 REVISED APRIL 2005
3
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
recommended operating conditions (see Note 4)
SN54LV126A
SN74LV126A
UNIT
MIN
MAX
MIN
MAX
UNIT
VCC
Supply voltage
2
5.5
2
5.5
V
VCC = 2 V
1.5
VIH
High-level input voltage
VCC = 2.3 V to 2.7 V
VCC × 0.7
V
VIH
High-level input voltage
VCC = 3 V to 3.6 V
VCC × 0.7
V
VCC = 4.5 V to 5.5 V
VCC × 0.7
VCC = 2 V
0.5
VIL
Low-level input voltage
VCC = 2.3 V to 2.7 V
VCC × 0.3
V
VIL
Low-level input voltage
VCC = 3 V to 3.6 V
VCC × 0.3
V
VCC = 4.5 V to 5.5 V
VCC × 0.3
VI
Input voltage
0
5.5
0
5.5
V
VO
Output voltage
High or low state
0
VCC
0
VCC
V
VO
Output voltage
3-state
0
5.5
0
5.5
V
VCC = 2 V
50
A
IOH
High-level output current
VCC = 2.3 V to 2.7 V
2
IOH
High-level output current
VCC = 3 V to 3.6 V
8
mA
VCC = 4.5 V to 5.5 V
16
mA
VCC = 2 V
50
A
IOL
Low-level output current
VCC = 2.3 V to 2.7 V
2
IOL
Low-level output current
VCC = 3 V to 3.6 V
8
mA
VCC = 4.5 V to 5.5 V
16
mA
VCC = 2.3 V to 2.7 V
200
t/v
Input transition rise or fall rate
VCC = 3 V to 3.6 V
100
ns/V
t/v
Input transition rise or fall rate
VCC = 4.5 V to 5.5 V
20
ns/V
TA
Operating free-air temperature
55
125
40
85
°C
NOTE 4: All unused inputs of the device must be held at VCC or GND to ensure proper device operation. Refer to the TI application report,
Implications of Slow or Floating CMOS Inputs, literature number SCBA004.
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
VCC
SN54LV126A
SN74LV126A
UNIT
PARAMETER
TEST CONDITIONS
VCC
MIN
TYP
MAX
MIN
TYP
MAX
UNIT
IOH = 50 A
2 V to 5.5 V
VCC0.1
VOH
IOH = 2 mA
2.3 V
2
V
VOH
IOH = 8 mA
3 V
2.48
V
IOH = 16 mA
4.5 V
3.8
IOL = 50 A
2 V to 5.5 V
0.1
VOL
IOL = 2 mA
2.3 V
0.4
V
VOL
IOL = 8 mA
3 V
0.44
V
IOL = 16 mA
4.5 V
0.55
II
VI = 5.5 V or GND
0 to 5.5 V
±1
A
IOZ
VO = VCC or GND
5.5 V
±5
A
ICC
VI = VCC or GND,
IO = 0
5.5 V
20
A
Ioff
VI or VO = 0 to 5.5 V
0
5
A
Ci
VI = VCC or GND
3.3 V
1.6
pF
PRODUCT PREVIEW information concerns products in the formative or
design phase of development. Characteristic data and other
specifications are design goals. Texas Instruments reserves the right to
change or discontinue these products without notice.