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PDF TC74LCXR163245FT Data sheet ( Hoja de datos )
| Número de pieza | TC74LCXR163245FT | |
| Descripción | 16-BIT DUAL SUPPLY VOLTAGE INTERFACE BUS TRANSCEIVER WITH SERIES RESISTOR | |
| Fabricantes | Toshiba Semiconductor | |
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TC74LCXR163245FT
TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic
TC74LCXR163245FT
16-Bit Dual Supply Bus Transceiver with Series Resistor
The TC74LCXR163245FT is a dual supply, advanced
high-speed CMOS 16-bit dual supply voltage interface bus
transceiver fabricated with silicon gate CMOS technology.
Designed for use as an interface between a 3.3-V or a 2.5-V bus
and a 5-V bus in mixed 3.3-V or 2.5-V/5-V supply systems, it
achieves high-speed operation while maintaining the CMOS low
power dissipation.
It is intended for two-way asynchronous communication
between data busses. The direction of data transmission is
determined by the level of the DIR input. The enable input (OE)
can be used to disable the device so that the buses are effectively
isolated.
The B-port interfaces with the 3.3 V or 2.5 V bus, the A-port
Weight: 0.25 g (typ.)
with the 5 V bus.
The 26-Ω series resistor helps reducing output overshoot and undershoot without external resistor.
All inputs are equipped with protection circuits against static discharge or transient excess voltage.
Features
• Bidirectional interface between 3.3 V or 2.5 V buses and 5 V buses
• 26-Ω series resistors on outputs
www.DataSheet4U.com• High-speed operation: tpd = 8.5 ns (max)
(VCCB = 3.3 ± 0.3 V/VCCA = 5 ± 0.5 V, Ta = −40 to 85°C)
• Low-voltage operation: ICC = 80 µA (max) (Ta = −40 to 85°C)
• Symmetrical output impedance: IOUTB = ±12 mA (min)
IOUTA = ±12 mA (min)
(VCCB = 3.0 V/VCCA = 4.5 V)
• Power-down protection provided on all inputs and outputs
• Allows A port and VCCA to float simultaneously in high state at OE pin
• Latch-up performance: ±500 mA
• ESD performance: Machine model > ±200 V (Note 2)
• Package: TSSOP (thin shrink small outline package)
Note 1: Do not apply a signal to any bus pins when it is in the output mode. Damage may result.
All floating (high impedance) bus pins must have their input fixed by means of pull-up or pull-down resistors.
Note 2: This device is electrostatic sensitivity (human body model > 1 kV).
Please handle with caution.
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TC74LCXR163245FT
Maximum Ratings
Characteristics
Symbol
Rating
Unit
Power supply voltage
(Note 3)
DC input voltage
(DIR, OE )
VCCB
VCCA
VIN
DC bus I/O voltage
VI/OB
VI/OA
Input diode current
Output diode current
DC output current
DC VCC/ground current per supply pin
Power dissipation
Storage temperature
IIK
II/OK
IOUTB
IOUTA
ICCB
ICCA
PD
Tstg
−0.5 to 7.0
−0.5 to 7.0
V
−0.5 to 7.0
V
−0.5 to 7.0 (Note 4)
−0.5 to VCCB + 0.5
(Note 5)
−0.5 to 7.0 (Note 4)
−0.5 to VCCA + 0.5
(Note 5)
−50
±50 (Note 6)
±50
±50
±100
±100
400
−65 to 150
V
mA
mA
mA
mA
mW
°C
Note 3: Don’t supply a voltage to VCCA terminal when VCCB is in the OFF state.
www.DataSheet4U.comNote 4: Output in OFF state
Note 5: High or low state. IOUT absolute maximum rating must be observed.
Note 6: VOUT < GND, VOUT > VCC
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TC74LCXR163245FT
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RESTRICTIONS ON PRODUCT USE
000707EBA
• TOSHIBA is continually working to improve the quality and reliability of its products. Nevertheless, semiconductor
devices in general can malfunction or fail due to their inherent electrical sensitivity and vulnerability to physical
stress. It is the responsibility of the buyer, when utilizing TOSHIBA products, to comply with the standards of
safety in making a safe design for the entire system, and to avoid situations in which a malfunction or failure of
such TOSHIBA products could cause loss of human life, bodily injury or damage to property.
In developing your designs, please ensure that TOSHIBA products are used within specified operating ranges as
set forth in the most recent TOSHIBA products specifications. Also, please keep in mind the precautions and
conditions set forth in the “Handling Guide for Semiconductor Devices,” or “TOSHIBA Semiconductor Reliability
Handbook” etc..
• The TOSHIBA products listed in this document are intended for usage in general electronics applications
(computer, personal equipment, office equipment, measuring equipment, industrial robotics, domestic appliances,
etc.). These TOSHIBA products are neither intended nor warranted for usage in equipment that requires
extraordinarily high quality and/or reliability or a malfunction or failure of which may cause loss of human life or
bodily injury (“Unintended Usage”). Unintended Usage include atomic energy control instruments, airplane or
spaceship instruments, transportation instruments, traffic signal instruments, combustion control instruments,
medical instruments, all types of safety devices, etc.. Unintended Usage of TOSHIBA products listed in this
document shall be made at the customer’s own risk.
• The products described in this document are subject to the foreign exchange and foreign trade laws.
• The information contained herein is presented only as a guide for the applications of our products. No
responsibility is assumed by TOSHIBA CORPORATION for any infringements of intellectual property or other
rights of the third parties which may result from its use. No license is granted by implication or otherwise under
any intellectual property or other rights of TOSHIBA CORPORATION or others.
• The information contained herein is subject to change without notice.
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