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PDF IDT74ALVC164245 Data sheet ( Hoja de datos )

Número de pieza IDT74ALVC164245
Descripción CMOS 16-BIT 3.3V TO 5V LEVEL SHIFTING TRANSCEIVER
Fabricantes IDT 
Logotipo IDT Logotipo



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IDT74ALVC164245
16-BIT 3.3V TO 5V LEVEL SHIFTING TRANSCEIVER WITH 3-STATE OUTPUTS
INDUSTRIALTEMPERATURERANGE
CMOS 16-BIT 3.3V
TO 5V LEVEL SHIFTING
TRANSCEIVER WITH
3-STATE OUTPUTS
IDT74ALVC164245
FEATURES:
• 0.5 MICRON CMOS Technology
• Typical tSK(o) (Output Skew) < 250ps
• ESD > 2000V per MIL-STD-883, Method 3015; > 200V using
machine model (C = 200pF, R = 0)
• VCCA = 2.7V to 3.6V
• VCCB = 5V ± 0.5V
• CMOS power levels (0.4μ W typ. static)
• Rail-to-Rail output swing for increased noise margin
• Available in SSOP and TSSOP packages
DESCRIPTION:
This 16-bit 3.3V to 5V level shifting transceiver is manufactured using
advanced dual metal CMOS technology. The ALVC164245 contains two
separate supply rails; B port has VCCB, which is set at 5V, and A port has
VCCA, which is set to operate at 3.3V. This allows for translation from a 3.3V
to 5V environment and vice-versa. This device is designed for asynchro-
nous communication between data buses.
The ALVC164245 has been designed with a ±24mA output driver. This
driver is capable of driving a moderate to heavy load while maintaining
speed performance.
DRIVE FEATURES:
• High Output Drivers: ±24mA
• Suitable for heavy loads
APPLICATIONS:
• Mixed 3.3V and 5V High Speed Systems
• 5V PCI Interface to 3.3V PC Bus Structures
• Telecommunication Legacy Systems with transitions from 5V to
3.3V
FUNCTIONAL BLOCK DIAGRAM
1DIR 1
1A1 47
1A2 46
1A3 44
1A4 43
1A5 41
1A6 40
1A7 38
1A8 37
48
1OE
2 1B1
3 1B2
5 1B3
6 1B4
8 1B5
9 1B6
11 1B7
12 1B8
2DIR 24
2A1 36
2A2 35
2A3 33
2A4 32
2A5 30
2A6 29
2A7 27
2A8 26
The IDT logo is a registered trademark of Integrated Device Technology, Inc.
INDUSTRIAL TEMPERATURE RANGE
© 2009 Integrated Device Technology, Inc.
1
25 2OE
13 2B1
14 2B2
16 2B3
17 2B4
19 2B5
20 2B6
22 2B7
23 2B8
JUNE 2009
DSC-4477/9

1 page




IDT74ALVC164245 pdf
IDT74ALVC164245
16-BIT 3.3V TO 5V LEVEL SHIFTING TRANSCEIVER WITH 3-STATE OUTPUTS
OPERATING CHARACTERISTICS, TA = 25°C
Symbol
CPD
CPD
Parameter
Power Dissipation Capacitance, Outputs enabled (A port or B port)
Power Dissipation Capacitance, Outputs disabled (A port or B port)
INDUSTRIALTEMPERATURERANGE
Test Conditions
CL = 0pF, f = 10Mhz
VCCA = 3.3V, VCCB = 5V
Typical
56
6
Unit
pF
SWITCHING CHARACTERISTICS(1)
Symbol Parameter
tPLH PropagationDelay
tPHL xAx to xBx
tPLH PropagationDelay
tPHL xBx to xAx
tPZH OutputEnableTime
tPZL xOE to xBx
tPZH OutputEnableTime
tPZL xOE to xAx
tPHZ OutputDisableTime
tPLZ xOE to xBx
tPHZ OutputDisableTime
tPLZ xOE to xAx
NOTE:
1. See TEST CIRCUITS AND WAVEFORMS. TA = – 40°C to + 85°C.
VCCB = 5V ± 0.5V
VCCA = 2.7V
VCCA = 3.3V ± 0.3V
Min. Max.
Min. Max.
5.9
1 5.8
Unit
ns
6.7 1.2 5.8 ns
9.3
1 8.9 ns
10.2
2 9.1 ns
9.2 2.1 9.4 ns
9 2.9 8.6 ns
5

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