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TCA6408RGTRG4 Fiches technique(PDF) 1 Page - Texas Instruments |
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TCA6408RGTRG4 Fiches technique(HTML) 1 Page - Texas Instruments |
1 / 30 page www.ti.com FEATURES ZXY PACKAGE (TOP VIEW) 1 2 3 4 5 A B C D 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 PW PACKAGE (TOP VIEW) V CCI ADDR RESET P0 P1 P2 P3 GND V CCP SDA SCL INT P7 P6 P5 P4 RGT PACKAGE (TOP VIEW) 12 11 10 9 1 2 3 4 5 6 7 8 16 15 14 13 RESET P0 P1 P2 SCL INT P7 P6 DESCRIPTION/ORDERING INFORMATION TCA6408 LOW-VOLTAGE 8-BIT I2C AND SMBus I/O EXPANDER WITH INTERRUPT OUTPUT, RESET, AND CONFIGURATION REGISTERS SCPS151C – FEBRUARY 2007 – REVISED JUNE 2007 • Operating Power-Supply Voltage Range of • 5-V Tolerant I/O Ports 1.65 V to 5.5 V • Active-Low Reset Input (RESET) • Allows Bidirectional Voltage-Level Translation • Open-Drain Active-Low Interrupt Output (INT) and GPIO Expansion Between • 400-kHz Fast I2C Bus – 1.8-V SCL/SDA and 1.8-V, 2.5-V, • Input/Output Configuration Register 3.3-V, or 5-V P Port • Polarity Inversion Register – 2.5-V SCL/SDA and 1.8-V, 2.5-V, • Internal Power-On Reset 3.3-V, or 5-V P Port • Power-Up With All Channels Configured as – 3.3-V SCL/SDA and 1.8-V, 2.5-V, Inputs 3.3-V, or 5-V P Port • No Glitch On Power-Up – 5-V SCL/SDA and 1.8-V, 2.5-V, • Noise Filter on SCL/SDA Inputs 3.3-V, or 5-V P Port • Latched Outputs With High-Current Drive • I2C to Parallel Port Expander Maximum Capability for Directly Driving LEDs • Low Standby Current Consumption of 1 µA • Latch-Up Performance Exceeds 100 mA Per • Schmitt-Trigger Action Allows Slow Input JESD 78, Class II Transition and Better Switching Noise • ESD Protection Exceeds JESD 22 Immunity at the SCL and SDA Inputs – 2000-V Human-Body Model (A114-A) – V hys = 0.18 V Typ at 1.8 V – 200-V Machine Model (A115-A) – V hys = 0.25 V Typ at 2.5 V – 1000-V Charged-Device Model (C101) – V hys = 0.33 V Typ at 3.3 V – V hys = 0.5 V Typ at 5 V This 8-bit I/O expander for the two-line bidirectional bus (I2C) is designed to provide general-purpose remote I/O expansion for most microcontroller families via the I2C interface [serial clock (SCL) and serial data (SDA)]. Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. UNLESS OTHERWISE NOTED this document contains Copyright © 2007, Texas Instruments Incorporated PRODUCTION DATA information current as of publication date. Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
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