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TC74VCXR162500FT Fiches technique(PDF) 1 Page - Toshiba Semiconductor

No de pièce TC74VCXR162500FT
Description  Low-Voltage 18-Bit Universal Bus Transceiver with 3.6-V Tolerant Inputs and Outputs
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Fabricant  TOSHIBA [Toshiba Semiconductor]
Site Internet  http://www.semicon.toshiba.co.jp/eng
Logo TOSHIBA - Toshiba Semiconductor

TC74VCXR162500FT Fiches technique(HTML) 1 Page - Toshiba Semiconductor

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TC74VCXR162500FT
2007-10-19
1
TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic
TC74VCXR162500FT
Low-Voltage 18-Bit Universal Bus Transceiver with 3.6-V Tolerant Inputs and Outputs
The TC74VCXR162500FT is a high-performance CMOS 18-bit
universal bus transceiver. Designed for use in 1.8-V, 2.5-V or
3.3-V systems, it achieves high-speed operation while
maintaining the CMOS low power dissipation.
It is also designed with overvoltage tolerant inputs and outputs
up to 3.6 V.
Data flow in each direction is controlled by output-enable
(OEAB and OEBA), latch-enable (LEAB and LEBA), and clock
(CKAB and CKBA) inputs.
For A-to-B data flow, the device operates in the transparent
mode when LEAB is high. When LEAB is low, the A data is
latched if CKAB is held at a high or low logic level. If LEAB is
low, the A bus data is stored in the latch/flip-flop on the high-to-low transition of CKAB.
Data flow for B to A is similar to that of A to B but uses OEBA, LEBA, and CKBA.
When the OE input is high, the outputs are in a high-impedance state. This device is designed to be used with
3-state memory address drivers, etc.
The 26-Ω series resistor helps reducing output overshoot and undershoot without external resistor.
All inputs are equipped with protection circuits against static discharge.
Features (Note)
• 26-Ω series resistors on outputs
• Low-voltage operation: VCC = 1.8 to 3.6 V
• High-speed operation: tpd = 3.8 ns (max) (VCC = 3.0 to 3.6 V)
: tpd = 4.9 ns (max) (VCC = 2.3 to 2.7 V)
: tpd = 9.8 ns (max) (VCC = 1.8 V)
• Output current: IOH/IOL = ±12 mA (min) (VCC = 3.0 V)
: IOH/IOL = ±8 mA (min) (VCC = 2.3 V)
: IOH/IOL = ±4 mA (min) (VCC = 1.8 V)
• Latch-up performance: −300 mA
• ESD performance: Machine model ≥ ±200 V
Human body model
≥ ±2000 V
• Package: TSSOP
• Bidirectional interface between 2.5 V and 3.3 V signals.
• 3.6-V tolerant function and power-down protection provided on all inputs and outputs
Note:
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 level fixed by means of pull-up or pull-down
resistors.
Weight: 0.25 g (typ.)


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