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  ON Semiconductor Electronic Components Datasheet  

MC74VHCT32A Datasheet

QUAD 2 INPUT OR GATE CMOS LOGIC LEVEL SHIFTER

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MC74VHCT32A
Product Preview
Quad 2-Input OR Gate /
CMOS Logic Level Shifter
with LSTTL–Compatible Inputs
The MC74VHCT32A is an advanced high speed CMOS 2–input
OR gate fabricated with silicon gate CMOS technology. It achieves
high speed operation similar to equivalent Bipolar Schottky TTL
while maintaining CMOS low power dissipation.
The internal circuit is composed of three stages, including a buffer
output which provides high noise immunity and stable output.
The device input is compatible with TTL–type input thresholds and
the output has a full 5V CMOS level output swing. The input
protection circuitry on this device allows overvoltage tolerance on the
input, allowing the device to be used as a logic–level translator from
3.0V CMOS logic to 5.0V CMOS Logic or from 1.8V CMOS logic to
3.0V CMOS Logic while operating at the high–voltage power supply.
The MC74VHCT32A input structure provides protection when
voltages up to 7V are applied, regardless of the supply voltage. This
allows the MC74VHCT32A to be used to interface 5V circuits to 3V
circuits. The output structures also provide protection when VCC = 0V.
These input and output structures help prevent device destruction
caused by supply voltage – input/output voltage mismatch, battery
backup, hot insertion, etc.
High Speed: tPD = 3.8ns (Typ) at VCC = 5V
Low Power Dissipation: ICC = 2µA (Max) at TA = 25°C
TTL–Compatible Inputs: VIL = 0.8V; VIH = 2.0V
Power Down Protection Provided on Inputs
Balanced Propagation Delays
Designed for 2V to 5.5V Operating Range
Low Noise: VOLP = 0.8V (Max)
Pin and Function Compatible with Other Standard Logic Families
Latchup Performance Exceeds 300mA
ESD Performance: HBM > 2000V; Machine Model > 200V
LOGIC DIAGRAM
1
A1
2
B1
4
A2
B2 5
9
A3
B3 10
3
Y1
6
Y2
)Y = A B
8
Y3
A4 12
13
B4
11
Y4
This document contains information on a product under development. ON Semiconductor
reserves the right to change or discontinue this product without notice.
© Semiconductor Components Industries, LLC, 1999
October, 1999 – Rev. 0.0
1
http://onsemi.com
14–LEAD SOIC
D SUFFIX
CASE 751A
14–LEAD TSSOP
DT SUFFIX
CASE 948G
14–LEAD SOIC EIAJ
M SUFFIX
CASE 965
PIN CONNECTION AND
MARKING DIAGRAM (Top View)
VCC B4 A4 Y4 B3 A3 Y3
14 13 12 11 10 9 8
1234567
A1 B1 Y1 A2 B2 Y2 GND
For detailed package marking information, see the Marking
Diagram section on page 4 of this data sheet.
FUNCTION TABLE
Inputs
Output
AB
Y
LL
LH
HL
HH
L
H
H
H
ORDERING INFORMATION
Device
Package
Shipping
MC74VHCT32AD
SOIC
55 Units/Rail
MC74VHCT32ADT TSSOP
96 Units/Rail
MC74VHCT32AM SOIC EIAJ 50 Units/Rail
Publication Order Number:
MC74VHCT32A/D


  ON Semiconductor Electronic Components Datasheet  

MC74VHCT32A Datasheet

QUAD 2 INPUT OR GATE CMOS LOGIC LEVEL SHIFTER

No Preview Available !

MC74VHCT32A
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎMAXIMUM RATINGS*
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎSymbol
Parameter
Value
Unit
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎVCC
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎVin
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎVout
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎIIK
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎIOK
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎIout
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎICC
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎPD
DC Supply Voltage
– 0.5 to + 7.0
V
DC Input Voltage
– 0.5 to + 7.0
V
DC Output Voltage
Input Diode Current
VCC = 0 – 0.5 to + 7.0
High or Low State – 0.5 to VCC + 0.5
– 20
V
mA
Output Diode Current (VOUT < GND; VOUT > VCC) ± 20 mA
DC Output Current, per Pin
± 25 mA
DC Supply Current, VCC and GND Pins
Power Dissipation in Still Air,
SOIC Packages†
TSSOP Package†
± 50
500
450
mA
mW
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎTstg StorageTemperature
– 65 to + 150
_C
* Absolute maximum continuous ratings are those values beyond which damage to the device
may occur. Exposure to these conditions or conditions beyond those indicated may
adversely affect device reliability. Functional operation under absolute–maximum–rated
conditions is not implied.
†Derating — SOIC Packages: – 7 mW/_C from 65_ to 125_C
TSSOP Package: – 6.1 mW/_C from 65_ to 125_C
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
v vVout should be constrained to the
range GND (Vin or Vout) 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.
RECOMMENDED OPERATING CONDITIONS
Characteristics
Symbol Min Max Unit
DC Supply Voltage
DC Input Voltage
DC Output Voltage
VCC = 0
High or Low State
Operating Temperature Range
Input Rise and Fall Time
VCC = 3.3V ± 0.3V
VCC = 5.0V ± 0.5V
VCC
VIN
VOUT
TA
tr , tf
2.0 5.5 V
0.0 5.5 V
0.0 5.5 V
0.0 VCC
–55 +85 °C
0 100 ns/V
0 20
NOISE CHARACTERISTICS (Input tr = tf = 3.0ns, CL = 50pF, VCC = 5.0V)
Symbol
VOLP
VOLV
VIHD
VILD
Characteristic
Quiet Output Maximum Dynamic VOL
Quiet Output Minimum Dynamic VOL
Minimum High Level Dynamic Input Voltage
Maximum Low Level Dynamic Input Voltage
TA = 25°C
Typ Max
0.3 0.8
– 0.3
– 0.8
3.5
1.5
Unit
V
V
V
V
http://onsemi.com
2


Part Number MC74VHCT32A
Description QUAD 2 INPUT OR GATE CMOS LOGIC LEVEL SHIFTER
Maker ON Semiconductor
Total Page 8 Pages
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