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PDF MC74LCX16245 Data sheet ( Hoja de datos )
| Número de pieza | MC74LCX16245 | |
| Descripción | Low-Voltage CMOS 16-Bit Transceiver | |
| Fabricantes | ON Semiconductor | |
| Logotipo |  |
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MC74LCX16245
Low−Voltage CMOS
16−Bit Transceiver
With 5 V−Tolerant Inputs and Outputs
(3−State, Non−Inverting)
The MC74LCX16245 is a high performance, non−inverting 16−bit
transceiver operating from a 2.3 to 3.6 V supply. The device is byte
controlled. Each byte has separate Output Enable inputs which can be
tied together for full 16−bit operation. High impedance TTL
compatible inputs significantly reduce current loading to input drivers
while TTL compatible outputs offer improved switching noise
performance. A VI specification of 5.5 V allows MC74LCX16245
inputs to be safely driven from 5.0 V devices. The MC74LCX16245 is
suitable for memory address driving and all TTL level bus oriented
transceiver applications.
The 4.5 ns maximum propagation delays support high performance
applications. Current drive capability is 24 mA at both A and B ports.
The Transmit/Receive (T/Rn) inputs determine the direction of data
flow through the bidirectional transceiver. Transmit (active−HIGH)
enables data from A ports to B ports; Receive (active−LOW) enables
data from B to A ports. The Output Enable inputs (OEn), when HIGH,
disable both A and B ports by placing them in a HIGH Z condition.
Features
www.DataSheet4U.com
• Designed for 2.3 to 3.6 V VCC Operation
• 4.5 ns Maximum tpd
• 5.0 V Tolerant − Interface Capability With 5.0 V TTL Logic
• Supports Live Insertion and Withdrawal
• IOFF Specification Guarantees High Impedance When VCC = 0 V
• LVTTL Compatible
• LVCMOS Compatible
• 24 mA Balanced Output Sink and Source Capability
• Near Zero Static Supply Current in All Three Logic States (20 mA)
Substantially Reduces System Power Requirements
• Latchup Performance Exceeds 500 mA
• ESD Performance: Human Body Model >2000 V;
Machine Model >200 V
• These are Pb−Free Devices*
http://onsemi.com
48
1
TSSOP−48
DT SUFFIX
CASE 1201
MARKING DIAGRAM
48
LCX16245G
AWLYYWW
1
A = Assembly Location
WL = Wafer Lot
YY = Year
WW = Work Week
G = Pb−Free Package
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 3 of this data sheet.
*For additional information on our Pb−Free strategy and soldering details, please
download the ON Semiconductor Soldering and Mounting Techniques
Reference Manual, SOLDERRM/D.
© Semiconductor Components Industries, LLC, 2005
August, 2005 − Rev. 7
1
Publication Order Number:
MC74LCX16245/D
1 page  
MC74LCX16245
DYNAMIC SWITCHING CHARACTERISTICS
Symbol
Characteristic
Condition
TA = +25°C
Min Typ Max
Unit
VOLP Dynamic LOW Peak Voltage
(Note 4)
VCC = 3.3 V, CL = 50 pF, VIH = 3.3 V, VIL = 0 V
VCC = 2.5 V, CL = 30 pF, VIH = 2.5 V, VIL = 0 V
0.8
0.6
V
V
VOLV Dynamic LOW Valley Voltage
(Note 4)
VCC = 3.3 V, CL = 50 pF, VIH = 3.3 V, VIL = 0 V
VCC = 2.5 V, CL = 30 pF, VIH = 2.5 V, VIL = 0 V
−0.8
−0.6
V
V
4. Number of outputs defined as “n”. Measured with “n−1” outputs switching from HIGH−to−LOW or LOW−to−HIGH. The remaining output is
measured in the LOW state.
CAPACITIVE CHARACTERISTICS
Symbol
Parameter
CIN Input Capacitance
CI/O Input/Output Capacitance
CPD Power Dissipation Capacitance
Condition
VCC = 3.3 V, VI = 0 V or VCC
VCC = 3.3 V, VI = 0 V or VCC
10 MHz, VCC = 3.3 V, VI = 0 V or VCC
Typical
7
8
20
Unit
pF
pF
pF
http://onsemi.com
5
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| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet MC74LCX16245.PDF ] | |
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