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PDF IDT74AUC16245 Data sheet ( Hoja de datos )
| Número de pieza | IDT74AUC16245 | |
| Descripción | 1.8V CMOS 16-BIT BUS TRANSCEIVER WITH 3-STATE OUTPUTS | |
| Fabricantes | Integrated Device Tech | |
| Logotipo |  |
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IDT74AUC16245
1.8V CMOS 16-BIT BUS TRANSCEIVER WITH 3-STATE OUTPUTS
1.8V CMOS 16-BIT BUS
TRANSCEIVER WITH
3-STATE OUTPUTS
INDUSTRIALTEMPERATURERANGE
IDT74AUC16245
ADVANCE
INFORMATION
FEATURES:
• ESD > 2000V per MIL-STD-883, Method 3015; > 200V using
machine model (C = 200pF, R = 0)
• 1.8V Optimized
• 0.8V to 2.7V Operating Range
• Inputs/outputs tolerant up to 3.6V
• Output drivers: ±9mA @ VDD = 2.3V
• Supports hot insertion
• Available in TSSOP, TVSOP, and VFBGA packages
APPLICATIONS:
• High performance, low voltage communications systems
• High performance, low voltage computing systems
DESCRIPTION:
This 16-bit bus transceiver is built using advanced CMOS technology. The
AUC16245 is designed specifically for asynchronous communications between
data buses. The control function implementation minimizes external timing
requirements.
This device can be used as one 16-bit transceiver or two 8-bit transceivers.
It allows data transmission from A bus to B bus or from B bus to A bus, depending
on the logic level at the direction-control (DIR) input. The output-enable (OE)
input can be used to disable the device so that the buses are effectively isolated.
This device is fully specified for partial power-down applications using IOFF.
The IOFF circuitry disables the outputs, preventing damaging current backflow
through the device when it is powered down.
TheAUC16245isdesignedwitha±9mAoutputdriver. Thisdriveriscapable
of driving a moderate load while maintaining speed performance.
To ensure the high-impedance state during power up or power down, OE
should be tied to VDD through a pull-up resistor; the minimum value of the resistor
is determined by the current-sinking capability of the driver.
FUNCTIONAL BLOCK DIAGRAM
1DIR 1
1A1 47
48 1OE
2 1B1
2DIR 24
2A1 36
25 2OE
13 2B1
TO SEVEN OTHER CHANNELS
TO SEVEN OTHER CHANNELS
The IDT logo is a registered trademark of Integrated Device Technology, Inc.
INDUSTRIAL TEMPERATURE RANGE
© 2002 Integrated Device Technology, Inc.
1
SEPTEMBER 2002
DSC-5954/16
1 page  
IDT74AUC16245
1.8V CMOS 16-BIT BUS TRANSCEIVER WITH 3-STATE OUTPUTS
INDUSTRIALTEMPERATURERANGE
OUTPUT DRIVE CHARACTERISTICS
Symbol
Parameter
VOH Output HIGH Voltage
VOL Output LOW Voltage
Test Conditions(1)
Min. Typ. Max. Unit
VDD = 0.8V - 2.7V
IOH = –100µA
VDD - 0.1
—
—
VDD = 0.8V
IOH = –0.7mA
—
0.55 —
VDD = 1.1V(2)
IOH = –3mA
0.8
—— V
VDD = 1.4V(3)
IOH = –5mA
1
——
VDD = 1.65V(4)
IOH = –8mA
1.2
——
VDD = 2.3V(5)
IOH = –9mA
1.8
——
VDD = 0.8V - 2.7V
IOH = 100µA
—
— 0.2
VDD = 0.8V
IOL = 0.7mA
—
0.25 —
VDD = 1.1V(2)
IOL = 3mA — — 0.3 V
VDD = 1.4V(3)
IOL = 5mA — — 0.4
VDD = 1.65V(4)
IOL = 8mA — — 0.45
VDD = 2.3V(5)
IOH = 9mA — — 0.6
NOTES:
1. VIL and VIH must be within the min. or max. range shown in the DC ELECTRICAL CHARACTERISTICS table for the appropriate VDD range. TA = -40°C to +85°C.
2. Demonstrates operation for nominal VDD = 1.2V.
3. Demonstrates operation for nominal VDD = 1.5V.
4. Demonstrates operation for nominal VDD = 1.8V.
5. Demonstrates operation for nominal VDD = 2.5V.
OPERATING CHARACTERISTICS, TA = 25°C
Symbol
CPD
Parameter
Power Dissipation OutputsEnabled
Capacitance
Outputs Disabled
Test Conditions
CL = 0pF
f = 10MHz
VDD = 0.8V
22
1
VDD = 1.2V
23
1
VDD = 1.5V
24
1
VDD = 1.8V
25
1
VDD = 2.5V
29
1
Unit
pF
SWITCHING CHARACTERISTICS(1)
Symbol
tPLH
tPHL
tPZH
tPZL
tPHZ
tPLZ
Parameter
Propagation Delay
xAx to xBx or xBx to xAx
Output Enable Time
xOE to xAx or xBx
Output Disable Time
xOE to xAx or xBx
VDD = 0.8V VDD = 1.2V±0.1V
Typ. Min. Max.
5.6 0.5 3.1
10 0.7 4.6
12.8 0.8 6.8
VDD = 1.5V±0.1V
Min. Max.
0.5 2
0.7 3.1
0.8 5
NOTE:
1. See TEST CIRCUITS AND WAVEFORMS. TA = -40°C to +85°C.
VDD = 1.8V±0.15V
Min. Typ. Max.
0.5 1.5
2
0.7 2.1 3.1
0.8 3.4 4.8
VDD = 2.5V±0.2V
Min. Max.
0.4 1.9
0.7 2.6
0.5 2.9
Unit
ns
ns
ns
5
5 Page | ||
| Páginas | Total 7 Páginas | |
| PDF Descargar | [ Datasheet IDT74AUC16245.PDF ] | |
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