HD74LV126A Datasheet PDF - Hitachi Semiconductor
| Part Number | HD74LV126A | |
| Description | Quad. Bus Buffer Gates with 3-state Outputs | |
| Manufacturers | Hitachi Semiconductor | |
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HD74LV126A
Quad. Bus Buffer Gates with 3-state Outputs
ADE-205-259 (Z)
1st Edition
March 1999
Description
The HD74LV126A features independent line drivers with three state outputs. Each output is disabled when
the associated output enable (OE) input is low. To ensure the high impedance state during power up or
power down, OE should be connected to GND through a pull-down resistor; the minimum value of the
resistor is determined by the current souring capability of the driver. Low-voltage and high-speed operation
is suitable for the battery-powered products (e.g., notebook computers), and the low-power consumption
extends the battery life.
Features
• VCC = 2.0 V to 5.5 V operation
• All inputs VIH (Max.) = 5.5 V (@VCC = 0 V to 5.5 V)
• All outputs VO (Max.) = 5.5 V (@VCC = 0 V)
• Typical VOL ground bounce < 0.8 V (@VCC = 3.3 V, Ta = 25°C)
• Typical VOH undershoot > 2.3 V (@VCC = 3.3 V, Ta = 25°C)
• Output current ±8 mA (@VCC = 3.0 V to 3.6 V), ±16 mA (@VCC = 4.5 V to 5.5 V)
Function Table
Inputs
OE
H
H
L
Note:
H: High level
L: Low level
X: Immaterial
Z: High impedance
A
H
L
X
Output Y
H
L
Z
|
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HD74LV126A
DC Electrical Characteristics
• Ta = –40 to 85°C
Item
Symbol
Input voltage
VIH
VIL
Output voltage VOH
VCC (V)*
2.0
2.3 to 2.7
3.0 to 3.6
4.5 to 5.5
2.0
2.3 to 2.7
3.0 to 3.6
4.5 to 5.5
Min to
Max
Min
1.5
VCC × 0.7
VCC × 0.7
VCC × 0.7
—
—
—
—
VCC – 0.1
Typ
—
—
—
—
—
—
—
—
—
Max
—
—
—
—
0.5
VCC × 0.3
VCC × 0.3
VCC × 0.3
—
Unit Test Conditions
V
V IOH = –50 µA
2.3 2.0
—
3.0 2.48 —
4.5 3.8
—
VOL
Min to
—
Max
—
—
—
—
0.1
IOH = –2 mA
IOH = –8 mA
IOH = –16 mA
IOL = 50 µA
Input current
Off-state
output current
IIN
IOZ
2.3
3.0
4.5
0 to 5.5
5.5
—
—
—
—
—
— 0.4
IOL = 2 mA
— 0.44
IOL = 8 mA
— 0.55
IOL = 16 mA
— ±1
µA VI = 5.5 V or GND
— ±5
µA VO = VCC or GND
Quiescent
supply current
ICC
5.5 —
— 20
µA VI = VCC or GND, IO = 0
Output leakage IOFF
0
—
—5
current
µA VI or VO = 0 V to 5.5 V
Input
CIN 3.3 — 3 — pF VI = VCC or GND
capacitance
Note: For conditions shown as Min or Max, use the appropriate values under recommended operating
conditions.
5
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| Information | Total 14 Pages | |
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Featured Datasheets
| Part Number | Description | MFRS |
| HD74LV126 | The function is Quad. Bus Buffer Gates with 3-state Outputs. Hitachi Semiconductor | |
| HD74LV126A | The function is Quad. Bus Buffer Gates with 3-state Outputs. Hitachi Semiconductor | |
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