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PDF 74VCX16245 Data sheet ( Hoja de datos )
| Número de pieza | 74VCX16245 | |
| Descripción | Low-Voltage 1.8/2.5/3.3V 16-Bit Transceiver | |
| Fabricantes | ON Semiconductor | |
| Logotipo |  |
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74VCX16245
Low−Voltage 1.8/2.5/3.3V
16−Bit Transceiver
With 3.6 V−Tolerant Inputs and Outputs
(3−State, Non−Inverting)
The 74VCX16245 is an advanced performance, non−inverting
16−bit transceiver. It is designed for very high−speed, very low−power
operation in 1.8 V, 2.5 V or 3.3 V systems.
When operating at 2.5 V (or 1.8 V) the part is designed to tolerate
voltages it may encounter on either inputs or outputs when interfacing
to 3.3 V busses. It is guaranteed to be overvoltage tolerant to 3.6 V.
The VCX16245 is designed with byte control. It can be operated as
two separate octals, or with the controls tied together, as a 16−bit wide
function. The Transmit/Receive (T/Rn) inputs determine the direction
of data flow through the bi−directional 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
• Designed for Low Voltage Operation: VCC = 1.65−3.6 V
• 3.6 V Tolerant Inputs and Outputs
• High Speed Operation: 2.5 ns max for 3.0 to 3.6 V
3.0 ns max for 2.3 to 2.7 V
6.0 ns max for 1.65 to 1.95 V
• Static Drive: ±24 mA Drive at 3.0 V
±18 mA Drive at 2.3 V
±6 mA Drive at 1.65 V
• Supports Live Insertion and Withdrawal
• IOFF Specification Guarantees High Impedance When VCC = 0 V
• Near Zero Static Supply Current in All Three Logic States (20 mA)
Substantially Reduces System Power Requirements
• Latchup Performance Exceeds ±250 mA @ 125°C
• ESD Performance: Human Body Model >2000 V;
Machine Model >200 V
*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, 2006
June, 2006 − Rev. 7
1
http://onsemi.com
48
1
TSSOP−48
DT SUFFIX
CASE 1201
MARKING DIAGRAM
48
VCX16245
AWLYYWW
1
A = Assembly Location
WL = Wafer Lot
YY = Year
WW = Work Week
ORDERING INFORMATION
Device
Package
Shipping†
74VCX16245DT
TSSOP
39 / Rail
74VCX16245DTR TSSOP 2500/Tape & Reel
†For information on tape and reel specifications,
including part orientation and tape sizes, please
refer to our Tape and Reel Packaging Specification
Brochure, BRD8011/D.
Publication Order Number:
74VCX16245/D
1 page  
74VCX16245
AC CHARACTERISTICS (tR = tF = 2.0 ns; CL = 50 pF; RL = 500 W)
TA = −40°C to +85°C
VCC = 3.0 V to 3.6V
VCC = 2.7 V
Symbol
Parameter
Waveform
Min
Max
Min
Max Unit
tPLH Propagation Delay
tPHL Input−to−Output
3 1.0
1.0
3.0
3.0
3.6 ns
3.6
tPZH
tPZL
Output Enable Time to
High and Low Level
4 1.0
1.0
4.4
4.4
5.4 ns
5.4
tPHZ
tPLZ
Output Disable Time From
High and Low Level
4
1.0
1.0
4.1
4.1
4.6 ns
4.6
tOSHL
tOSLH
Output−to−Output Skew
(Note 6)
0.5 0.5 ns
0.5 0.5
6. Skew is defined as the absolute value of the difference between the actual propagation delay for any two separate outputs of the same device.
The specification applies to any outputs switching in the same direction, either HIGH−to−LOW (tOSHL) or LOW−to−HIGH (tOSLH); parameter
guaranteed by design.
DYNAMIC SWITCHING CHARACTERISTICS
TA = +25°C
Symbol
Characteristic
Condition
Typ Unit
VOLP
Dynamic LOW Peak Voltage
(Note 7)
VCC = 1.8 V, CL = 30 pF, VIH = VCC, VIL = 0 V
VCC = 2.5 V, CL = 30 pF, VIH = VCC, VIL = 0 V
0.25
0.6
V
VCC = 3.3 V, CL = 30 pF, VIH = VCC, VIL = 0 V
0.8
VOLV
Dynamic LOW Valley Voltage
(Note 7)
VCC = 1.8 V, CL = 30 pF, VIH = VCC, VIL = 0 V
VCC = 2.5 V, CL = 30 pF, VIH = VCC, VIL = 0 V
−0.25
−0.6
V
VCC = 3.3 V, CL = 30 pF, VIH = VCC, VIL = 0 V
−0.8
VOHV Dynamic HIGH Valley Voltage
(Note 8)
VCC = 1.8 V, CL = 30 pF, VIH = VCC, VIL = 0 V
VCC = 2.5 V, CL = 30 pF, VIH = VCC, VIL = 0 V
1.5
1.9
V
VCC = 3.3 V, CL = 30 pF, VIH = VCC, VIL = 0 V
2.2
7. 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.
8. 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 HIGH state.
CAPACITIVE CHARACTERISTICS
Symbol
Parameter
CIN Input Capacitance
COUT Output Capacitance
CPD Power Dissipation Capacitance
9. VCC = 1.8 V, 2.5 V or 3.3 V; VI = 0 V or VCC.
Condition
Note 9
Note 9
Note 9, 10 MHz
Typical
6
7
20
Unit
pF
pF
pF
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| PDF Descargar | [ Datasheet 74VCX16245.PDF ] | |
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