MC74VHCT126A Datasheet PDF - ON Semiconductor

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MC74VHCT126A
ON Semiconductor

Part Number MC74VHCT126A
Description Quad Bus Buffer
Page 6 Pages


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MC74VHCT126A
Quad Bus Buffer
with 3−State Control Inputs
The MC74VHCT126A is a high speed CMOS quad bus buffer
fabricated with silicon gate CMOS technology. It achieves
noninverting high speed operation similar to equivalent Bipolar
Schottky TTL while maintaining CMOS low power dissipation.
The MC74VHCT126A requires the 3−state control input (OE) to be
set Low to place the output into high impedance.
The VHCT inputs are compatible with TTL levels. This device can
be used as a level converter for interfacing 3.3 V to 5.0 V, because it
has full 5.0 V CMOS level output swings.
The VHCT126A input structures provide protection when voltages
between 0 V and 5.5 V are applied, regardless of the supply voltage.
The output structures also provide protection when VCC = 0 V. These
input and output structures help prevent device destruction caused by
supply voltage − input/output voltage mismatch, battery backup, hot
insertion, etc.
The internal circuit is composed of three stages, including a buffer
output which provides high noise immunity and stable output. The
inputs tolerate voltages up to 7.0 V, allowing the interface of 5.0 V
systems to 3.0 V systems.
Features
High Speed: tPD = 3.8 ns (Typ) at VCC = 5.0 V
Low Power Dissipation: ICC = 4.0 mA (Max) at TA = 25°C
TTL−Compatible Inputs: VIL = 0.8 V; VIH = 2.0 V
Power Down Protection Provided on Inputs
Balanced Propagation Delays
Designed for 2.0 V to 5.5 V Operating Range
Low Noise: VOLP = 0.8 V (Max)
Pin and Function Compatible with Other Standard Logic Families
Latchup Performance Exceeds 300 mA
ESD Performance: HBM > 2000 V; Machine Model > 200 V
Chip Complexity: 72 FETs or 18 Equivalent Gates
NLV Prefix for Automotive and Other Applications Requiring
Unique Site and Control Change Requirements; AEC−Q100
Qualified and PPAP Capable
These Devices are Pb−Free, Halogen Free/BFR Free and are RoHS
Compliant
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MARKING
DIAGRAMS
14
SOIC−14
VHCT126AG
1
D SUFFIX
CASE 751A
AWLYWW
1
14
TSSOP−14
VHCT
DT SUFFIX
126A
1
CASE 948G
ALYWG
G
1
A = Assembly Location
WL, L = Wafer Lot
Y = Year
WW, W = Work Week
G or G = Pb−Free Package
(Note: Microdot may be in either location)
See Applications Note #AND8004/D for
date code and traceability information.
FUNCTION TABLE
VHCT126A
Inputs
A OE
Outputs
Y
HH
LH
XL
H
L
Z
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 4 of this data sheet.
© Semiconductor Components Industries, LLC, 2016
October, 2016 − Rev. 11
1
Publication Order Number:
MC74VHCT126A/D



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MC74VHCT126A
A1 2
OE1 1
5
A2
OE2 4
9
A3
OE3 10
12
A4
OE4 13
3
Y1
6
Y2
8 Y3
11
Y4
Figure 1. LOGIC DIAGRAM
Active−High Output Enables
OE1 1
A1 2
Y1 3
OE2 4
A2 5
Y2 6
GND 7
14 VCC
13 OE4
12 A4
11 Y4
10 OE3
9 A3
8 Y3
Figure 2. PIN ASSIGNMENT
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎMAXIMUM RATINGS
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎRating
Symbol
Value
Unit
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎDC Supply Voltage
VCC – 0.5 to + 7.0
V
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎDC Input Voltage
Vin – 0.5 to + 7.0 V
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎDC Output Voltage
Output in 3−State Vout
– 0.5 to + 7.0
High or Low State
– 0.5 to VCC + 0.5
V
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎInput Diode Current
IIK − 20 mA
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎOutput Diode Current (VOUT < GND; VOUT > VCC)
IOK
± 20 mA
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎDC Output Current, per Pin
Iout ± 25 mA
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎDC Supply Current, VCC and GND Pins
ICC ± 75 mA
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎPower Dissipation in Still Air, SOIC Packages†
TSSOP Package†
PD
500 mW
450
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎStorage Temperature
Tstg – 65 to + 150 _C
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎStresses exceeding those listed in the Maximum Ratings table may damage the device. If any of
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎthese limits are exceeded, device functionality should not be assumed, damage may occur and
reliability may be affected.
†Derating — SOIC Packages: – 7 mW/_C from 65_ to 125_C
TSSOP Package: − 6.1 mW/_C from 65_ to 125_C
RECOMMENDED OPERATING CONDITIONS
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎParameter
Symbol Min
Max Unit
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎDC Supply Voltage
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎDC Input Voltage
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎDC Output Voltage
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎOperating Temperature
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎInput Rise and Fall Time
Output in 3−State
High or Low State
VCC = 5.0 V ±0.5 V
VCC
Vin
Vout
TA
tr, tf
4.5
0
0
0
− 40
0
5.5
5.5
5.5
VCC
+ 85
20
V
V
V
_C
ns/V
Functional operation above the stresses listed in the Recommended Operating Ranges is not
implied. Extended exposure to stresses beyond the Recommended Operating Ranges limits may
affect device reliability.
This device contains protection
circuitry to guard against damage
due to high static voltages or electric
fields. However, precautions must
be taken to avoid applications of any
voltage higher than maximum rated
voltages to this high−impedance cir-
cuit. For proper operation, Vin and
Vout should be constrained to the
range GND v (Vin or Vout) v VCC.
Unused inputs must always be
tied to an appropriate logic voltage
level (e.g., either GND or VCC).
Unused outputs must be left open.
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MC74VHCT126A
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎDC ELECTRICAL CHARACTERISTICS
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎParameter
Minimum High−Level Input
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎVoltage
Test Conditions
Symbol
VIH
VCC
(V)
3.0
4.5
5.5
TA = 25°C
Min Typ Max
1.2
2.0
2.0
TA 85°C
Min Max
1.2
2.0
2.0
TA 125°C
Min Max
1.2
2.0
2.0
Unit
V
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎMaximumLow−Level Input
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎVoltage
VIL 3.0
4.5
5.5
0.53 0.53 0.53 V
0.8 0.8 0.8
0.8 0.8 0.8
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎMinimum High−Level Output
Voltage
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎVIN = VIH or VIL
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎMaximum Low−Level Output
Voltage
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎVIN = VIH or VIL
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎMaximum Input Leakage Current
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎMaximumQuiescent Supply
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎCurrent
VIN = VIH or VIL
IOH = − 50 mA
VIN = VIH or VIL
IOH = − 4.0 mA
IOH = − 8.0 mA
VIN = VIH or VIL
IOL = 50 mA
VIN = VIH or VIL
IOL = 4.0 mA
IOL = 8.0 mA
VIN = 5.5 V or GND
VIN = VCC or GND
VOH 3.0 2.9 3.0 2.9 2.9
4.5 4.4 4.5 4.4 4.4
V
3.0 2.58
4.5 3.94
2.48 2.34
3.80 3.66
VOL 3.0
4.5
0.0 0.1 0.1 0.1 V
0.0 0.1 0.1 0.1
3.0
4.5
IIN 0 to 5.5
ICC 5.5
0.36
0.36
± 0.1
2.0
0.44
0.44
± 1.0
20
0.52
0.52
± 1.0
40
mA
mA
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎQuiescent Supply Current
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎMaximum 3−State Leakage
Current
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎOutput Leakage Current
Input: VIN = 3.4 V
VIN = VIH or VI
VOUT = VCC or GND
VOUT = 5.5 V
ICCT
IOZ
IOPD
5.5
5.5
0.0
1.35 1.50 1.65 mA
±0.2 ±2.5 ±2.5 mA
5
0.5 5.0 10 mA
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎAC ELECTRICAL CHARACTERISTICS (Inputtr = tf= 3.0 ns)
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎParameter
Maximum Propagation Delay,
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎA to Y
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎMaximum Output Enable
TIme,OE to Y
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎMaximum Output
Disable Time,OE to Y
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎOutput−to−Output Skew
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎMaximum Input Capacitance
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎMaximum Three−State Output
Capacitance (Output in High
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎImpedance State)
Test Conditions
VCC = 3.3 ± 0.3 V CL = 15 pF
CL = 50 pF
VCC = 5.0 ± 0.5 V CL = 15 pF
CL = 50 pF
VCC = 3.3 ± 0.3 V CL = 15 pF
RL = 1.0 kW
CL = 50 pF
VCC = 5.0 ± 0.5 V CL = 15 pF
RL = 1.0 kW
CL = 50 pF
VCC = 3.3 ± 0.3 V CL = 50 pF
RL = 1.0 kW
VCC = 5.0 ± 0.5 V CL = 50 pF
RL = 1.0 kW
VCC = 3.3 ± 0.3 V CL = 50 pF
(Note 1)
VCC = 5.0 ± 0.5 V CL = 50 pF
(Note 1)
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎPower Dissipation Capacitance (Note 2)
Symbol
tPLH,
tPHL
tPZL,
tPZH
tPLZ,
tPHZ
tOSLH,
tOSHL
Cin
Cout
CPD
TA = 25°C
Min Typ Max
5.6 8.0
8.1 11.5
3.8 5.5
5.3 7.5
5.4 8.0
7.9 11.5
3.6 5.1
5.1 7.1
9.5 13.2
TA = 85°C
Min Max
1.0 9.5
1.0 13.0
1.0 6.5
1.0 8.5
1.0 9.5
1.0 13.0
1.0 6.0
1.0 8.0
1.0 15.0
TA 125°C
Min Max
12.0
16.0
8.5
10.5
11.5
15.0
7.5
9.5
18.0
6.1 8.8 1.0 10.0
12.0
1.5 1.5 2.0
1.0 1.0 1.5
4 10 10 10
6
Typical @ 25°C, VCC = 5.0V
15
Unit
ns
ns
ns
ns
pF
pF
pF
1. Parameter guaranteed by design. tOSLH = |tPLHm − tPLHn|, tOSHL = |tPHLm − tPHLn|.
2. CPD is defined as the value of the internal equivalent capacitance which is calculated from the operating current consumption without load.
Average operating current can be obtained by the equation: ICC(OPR) = CPD  VCC  fin + ICC / 4 (per buffer). CPD is used to determine the
no−load dynamic power consumption; PD = CPD  VCC2  fin + ICC  VCC.
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MC74VHCT126A
NOISE CHARACTERISTICS (Input tr = tf = 3.0ns, CL = 50pF, VCC = 5.0V)
Characteristic
Quiet Output Maximum Dynamic VOL
Quiet Output Minimum Dynamic VOL
Minimum High Level Dynamic Input Voltage
Maximum Low Level Dynamic Input Voltage
Symbol
VOLP
VOLV
VIHD
VILD
Typ
0.3
− 0.3
TA = 25°C
Max
0.8
− 0.8
3.5
1.5
Unit
V
V
V
V
A
tPLH
Y
1.5V
1.5V
Figure 3.
SWITCHING WAVEFORMS
3.0V
GND
tPHL
VOH
VOL
OE 1.5V
tPZL tPLZ
Y 1.5V
tPZH tPHZ
Y 1.5V
Figure 4.
3.0V
GND
HIGH
IMPEDANCE
VOL + 0.3V
VOH - 0.3V
HIGH
IMPEDANCE
DEVICE
UNDER
TEST
TEST POINT
OUTPUT
CL*
DEVICE
UNDER
TEST
TEST POINT
OUTPUT 1 kW
CL *
CONNECT TO VCC WHEN
TESTING tPLZ AND tPZL.
CONNECT TO GND WHEN
TESTING tPHZ AND tPZH.
*Includes all probe and jig capacitance
Figure 5. Test Circuit
*Includes all probe and jig capacitance
Figure 6. Test Circuit
ORDERING INFORMATION
Device
Package
Shipping
MC74VHCT126ADR2G
SOIC−14
(Pb−Free)
2500 / Tape & Reel
M74VHCT126ADTR2G
TSSOP−14
(Pb−Free)
2500 / Tape & Reel
NLVVHCT126ADTR2G*
TSSOP−14
(Pb−Free)
2500 / Tape & Reel
†For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging
Specifications Brochure, BRD8011/D.
*NLV Prefix for Automotive and Other Applications Requiring Unique Site and Control Change Requirements; AEC−Q100 Qualified and PPAP
Capable.
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