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74LVCH32245ABFG 데이터시트(PDF) 1 Page - Integrated Device Technology |
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1 / 7 page INDUSTRIALTEMPERATURERANGE IDT74LVCH32245A 3.3VCMOS32-BITBUSTRANSCEIVERWITH3-STATEOUTPUTS 1 FEBRUARY 2016 INDUSTRIAL TEMPERATURE RANGE IDT and the IDT logo are registered trademarks of Integrated Device Technology, Inc. ©2016 Integrated Device Technology, Inc. DSC-4767/5 FEATURES: • Typical tSK(o) (Output Skew) < 250ps • ESD > 2000V per MIL-STD-883, Method 3015; > 200V using machine model (C = 200pF, R = 0) •VCC = 3.3V ± 0.3V, Normal Range •VCC = 2.7V to 3.6V, Extended Range • CMOS power levels (0.4 μμμμμ W typ. static) • All inputs, outputs, and I/O are 5V tolerant • Supports hot insertion • Available in 96-ball LFBGA package FUNCTIONAL BLOCK DIAGRAM DRIVE FEATURES: • Balanced Output Drivers: ±24mA • Reduced system switching noise APPLICATIONS: • 5V and 3.3V mixed voltage systems • Data communication and telecommunication systems IDT74LVCH32245A DESCRIPTION: This 32-bit bus transceiver is built using advanced dual metal CMOS technology. This high-speed, low power transceiver is ideal for asynchro- nous communication between two busses (A and B). The Direction and Output Enable controls are designed to operate the device as either four independent 8-bit transceivers or one 32-bit transceiver. The direction control pins (DIR) control the direction of data flow. The output enable pins (OE) override the direction control and disable both ports. All inputs are designed with hysteresis for improved noise margin. All pins can be driven from either 3.3V or 5V devices. This feature allows the use of this device as a translator in a mixed 3.3V/5V supply system. The LVCH32245A has been designed with a ±24mA output driver. This driver is capable of driving a moderate to heavy load while maintaining speed performance The LVCH32245A has “bus-hold” which retains the inputs’ last state whenever the input goes to a high impedance. This prevents floating inputs and eliminates the need for pull-up/down resistors. 3.3V CMOS 32-BIT BUS TRANSCEIVER WITH 3-STATE OUTPUTS, 5 VOLT TOLERANT I/O, BUS-HOLD 1 DIR 1 A1 1 B1 1 OE TO SEVEN OTHER CHANNNELS 3 DIR 3 A1 3 B1 3 OE TO SEVEN OTHER CHANNNELS 2 DIR 2 A1 2 B1 2 OE TO SEVEN OTHER CHANNNELS 4 DIR 4 A1 4 B1 4 OE TO SEVEN OTHER CHANNNELS A3 A5 H3 E5 A4 A2 H4 E2 J3 J5 J4 J2 T3 N5 T4 N2 |
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