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PCA9515AD Datasheet(PDF) 1 Page - Texas Instruments |
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PCA9515AD Datasheet(HTML) 1 Page - Texas Instruments |
1 / 13 page www.ti.com FEATURES D, DCT, DGK, OR PW PACKAGE (TOP VIEW) 1 2 3 4 VCC SCL1 SDA1 EN NC SCL0 SDA0 GND 8 7 6 5 NC No internal connection – DESCRIPTION/ORDERING INFORMATION PCA9515A DUAL BIDIRECTIONAL I2C BUS AND SMBus REPEATER SCPS150A – DECEMBER 2005 – REVISED JUNE 2006 • Two-Channel Bidirectional Buffers • ESD Protection Exceeds JESD 22 • I2C Bus and SMBus Compatible – 2000-V Human-Body Model (A114-A) • Active-High Repeater-Enable Input – 200-V Machine Model (A115-A) • Open-Drain I2C I/O – 1000-V Charged-Device Model (C101) • 5.5-V Tolerant I2C I/O and Enable Input Support Mixed-Mode Signal Operation • Lockup-Free Operation • Accommodates Standard Mode and Fast Mode I2C Devices and Multiple Masters • Supports Arbitration and Clock Stretching Across the Repeater • Powered-Off High-Impedance I2C Pins • Latch-Up Performance Exceeds 100 mA Per JESD 78, Class II This dual bidirectional I2C buffer is operational at 2.3-V to 3.6-V VCC. The PCA9515A is a BiCMOS integrated circuit intended for I2C bus and SMBus systems applications. The device contains two identical bidirectional open-drain buffer circuits that enable I2C and similar bus systems to be extended without degradation of system performance. Both buffers specifically are designed to support the standard low-level-contention arbitration of the I2C bus and support clock stretching. The PCA9515A buffers both the serial data (SDA) and serial clock (SCL) signals on the I2C bus, while retaining all the operating modes and features of the I2C system. This enables two buses of 400-pF bus capacitance to be connected in an I2C application. The I2C bus capacitance limit of 400 pF restricts the number of devices and bus length. Using the PCA9515A enables the system designer to isolate two halves of a bus, accommodating more I2C devices or longer trace lengths. ORDERING INFORMATION TA PACKAGE(1) ORDERABLE PART NUMBER TOP-SIDE MARKING(2) Tube of 75 PCA9515AD SOIC – D Reel of 2500 PCA9515ADR PD515A Reel of 250 PCA9515ADT Reel of 3000 PCA9515ADCTR SSOP – DCT PREVIEW –40 °C to 85°C Reel of 250 PCA9515ADCTT Tube of 150 PCA9515APW TSSOP – PW Reel of 2000 PCA9515APWR PD515A Reel of 250 PCA9515APWT VSSOP – DGK Reel of 2500 PCA9515ADGKR 7B_ (1) Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are available at www.ti.com/sc/package. (2) DCT: The actual top-side marking has three additional characters that designate the year, month, and assembly/test site. DGK: The actual top-side marking has one additional character that designates the assembly/test site. 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. PRODUCTION DATA information is current as of publication date. Copyright © 2005–2006, Texas Instruments Incorporated Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
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