74ALVC162245 PDF даташит
Спецификация 74ALVC162245 изготовлена «Fairchild Semiconductor» и имеет функцию, называемую «Low Voltage 16-Bit Bidirectional Transceiver with 3.6V Tolerant Inputs and Outputs and 26 Series Resistors in A Port Outputs». |
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Детали детали
Номер произв | 74ALVC162245 |
Описание | Low Voltage 16-Bit Bidirectional Transceiver with 3.6V Tolerant Inputs and Outputs and 26 Series Resistors in A Port Outputs |
Производители | Fairchild Semiconductor |
логотип |
6 Pages
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October 2001
Revised November 2001
74ALVC162245
Low Voltage 16-Bit Bidirectional Transceiver
with 3.6V Tolerant Inputs and Outputs
and 26Ω Series Resistors in A Port Outputs
General Description
The ALVC162245 contains sixteen non-inverting bidirec-
tional buffers with 3-STATE outputs and is intended for bus
oriented applications. The device is byte controlled. Each
byte has separate 3-STATE control inputs which can be
shorted together for full 16-bit operation. The T/R inputs
determine the direction of data flow through the device.
The OE inputs disable both the A and B Ports by placing
them in a high impedance state.
The 74ALVC162245 is designed for low voltage (1.65V to
3.6V) VCC applications with I/O compatibility up to 3.6V.
The 74ALVC162245 is also designed with 26Ω series
resistance in the A Port outputs. This design reduces line
noise in applications such as memory address drivers,
clock drivers, and bus transceivers/transmitters.
The 74ALVC162245 is fabricated with an advanced CMOS
technology to achieve high speed operation while maintain-
ing low CMOS power dissipation.
Features
I 1.65V–3.6V VCC supply operation
I 3.6V tolerant inputs and outputs
I 26Ω series resistors in A Port outputs
I tPD
3.9 ns max for 3.0V to 3.6V VCC
4.8 ns max for 2.3V to 2.7V VCC
8.6 ns max for 1.65V to 1.95V VCC
I Power-down high impedance inputs and outputs
I Supports live insertion/withdrawal (Note 1)
I Uses patented noise/EMI reduction circuitry
I Latchup conforms to JEDEC JED78
I ESD performance:
Human body model > 2000V
Machine model >200V
Note 1: To ensure the high-impedance state during power up or power
down, OE should be tied to VCC through a pull-up resistor; the minimum
value of the resistor is determined by the current-sourcing capability of the
driver.
Ordering Code:
Order Number Package Number
Package Description
74ALVC162245T
MTD48
48-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 6.1mm Wide
Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.
© 2001 Fairchild Semiconductor Corporation DS500679
www.fairchildsemi.com
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Connection Diagram
Logic Diagram
Logic Symbol
Pin Descriptions
Pin Names
Description
OEn
T/Rn
A0–A15
B0–B15
Output Enable Input (Active LOW)
Transmit/Receive Input
Side A Inputs or 3-STATE Outputs
Side B Inputs or 3-STATE Outputs
Truth Tables
Inputs
OE1
T/R1
LL
LH
HX
Outputs
Bus B0–B7 Data to Bus A0–A7
Bus A0–A7 Data to Bus B0–B7
HIGH Z State on A0–A7, B0–B7
Inputs
OE2
T/R2
Outputs
L L Bus B8–B15 Data to Bus A8–A15
L H Bus A8–A15 Data to Bus B8–B15
H X HIGH Z State on A8–A15, B8–B15
H = HIGH Voltage Level
L = LOW Voltage Level
X = Immaterial (HIGH or LOW, inputs and I/O’s may not float)
Z = High Impedance
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Absolute Maximum Ratings(Note 2)
Supply Voltage (VCC)
DC Input Voltage (VI)
Output Voltage (VO) (Note 3)
DC Input Diode Current (IIK)
VI < 0V
DC Output Diode Current (IOK)
VO < 0V
DC Output Source/Sink Current
(IOH/IOL)
DC VCC or GND Current per
Supply Pin (ICC or GND)
Storage Temperature Range (TSTG)
−0.5V to +4.6V
−0.5V to 4.6V
−0.5V to VCC +0.5V
−50 mA
−50 mA
±50 mA
±100 mA
−65°C to +150°C
Recommended Operating
Conditions (Note 4)
Power Supply
Operating
1.65V to 3.6V
Input Voltage
Output Voltage (VO)
Free Air Operating Temperature (TA)
Minimum Input Edge Rate (∆t/∆V)
0V to VCC
0V to VCC
−40°C to +85°C
VIN = 0.8V to 2.0V, VCC = 3.0V
10 ns/V
Note 2: The Absolute Maximum Ratings are those values beyond which
the safety of the device cannot be guaranteed. The device should not be
operated at these limits. The parametric values defined in the Electrical
Characteristics tables are not guaranteed at the Absolute Maximum Rat-
ings. The “Recommended Operating Conditions” table will define the condi-
tions for actual device operation.
Note 3: IO Absolute Maximum Rating must be observed.
Note 4: Floating or unused control inputs must be held HIGH or LOW.
DC Electrical Characteristics
Symbol
Parameter
VIH HIGH Level Input Voltage
VIL LOW Level Input Voltage
VOH HIGH Level Output Voltage
A Outputs
HIGH Level Output Voltage
B Outputs
VOL LOW Level Output Voltage
A Outputs
LOW Level Output Voltage
B Outputs
II Input Leakage Current
IOZ 3-STATE Output Leakage
Conditions
IOH = −100 µA
IOH = −2 mA
IOH = −4 mA
IOH = −6 mA
IOH = −8 mA
IOH = −12 mA
IOH = −100 µA
IOH = −4 mA
IOH = −6 mA
IOH = −12 mA
IOH = −24 mA
IOL = 100 µA
IOL = 2 mA
IOL = 4 mA
IOL = 6 mA
IOL = 8 mA
IOL = 12 mA
IOL = 100 µA
IOL = 4 mA
IOL = 6 mA
IOL = 12 mA
IOL = 24 mA
0 ≤ VI ≤ 3.6V
0 ≤ VO ≤ 3.6V, VI = VIH or VIL
VCC
Min Max
(V)
1.65 - 1.95 0.65 x VCC
2.3 - 2.7
1.7
2.7 - 3.6
2.0
1.65 - 1.95
2.3 - 2.7
0.35 x VCC
0.7
2.7 - 3.6
0.8
1.65 - 3.6 VCC - 0.2
1.65
1.2
2.3 1.9
2.3 1.7
3.0 2.4
2.7 2
3.0 2
1.65 - 3.6 VCC - 0.2
1.65
1.2
2.3 2.0
2.3 1.7
2.7 2.2
3.0 2.4
3.0 2
1.65 - 3.6
0.2
1.65
0.45
2.3 0.4
2.3 0.55
3.0 0.55
2.7 0.6
3.0 0.8
1.65 - 3.6
0.2
1.65
0.45
2.3 0.4
2.3 0.7
2.7 0.4
3.0 0.55
1.65 - 3.6
±5.0
1.65 - 3.6
±10
Units
V
V
V
V
µA
µA
3 www.fairchildsemi.com
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