FIN24AC

FIN24AC 22-Bit Bi-Directional Serializer/Deserializer

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FIN24AC 22-Bit Bi-Directional Serializer/Deserializer

January 2007

FIN24AC 22-Bit Bi-Directional Serializer/Deserializer
Features
Low power for minimum impact on battery life

General Description
The FIN24AC SerDesTM is a low-power Serializer/ Deserializer (SerDes) that can help minimize the cost and power of transferring wide signal paths. Through the use of serialization, the number of signals transferred from one point to another can be significantly reduced. Typical reduction is 4:1 to 6:1 for unidirectional paths. For bi-directional operation, using half duplex for multiple sources, it is possible to increase the signal reduction to close to 10:1. Through the use of differential signaling, shielding and EMI filters can also be minimized, further reducing the cost of serialization. The differential signaling is also important for providing a noise-insensitive signal that can withstand radio and electrical noise sources. Major reduction in power consumption allows minimal impact on battery life in ultra-portable applications. A unique word boundary technique assures that the actual word boundary is identified when the data is deserialized. This guarantees that each word is correctly aligned at th
e deserializer on a word-by-word basis through a unique sequence of clock and data that is not repeated except at the word boundary. A single PLL is adequate for most applications, including bi-directional operation.

Multiple power-down modes AC coupling with DC balance 100nA in standby mode, 5mA typical operating conditions Cable reduction: 25:4 or greater Bi-directional operation 50:7 reduction or greater Differential signaling: -90dBm EMI when using CTL in lab conditions using a near field probe Minimized shielding Minimized EMI filter Minimum susceptibility to external interference Up to 22 bits in either direction Up to 20MHz parallel interface operation Voltage translation from 1.65V to 3.6V Ultra-small and cost-effective packaging High ESD protection: 8kV HBM Parallel I/O power supply (VDDP) range between 1.65V to 3.6V

Applications
Micro-controller or pixel interfaces Image sensors Small displays

LCD, cell phone, digital camera, portable gaming, printer, PDA, video camera, automotive

Ordering Information
Order Number
FIN24ACGFX FIN24ACMLX

Package Number
BGA042 MLP040

Pb-Free
Yes Yes

Package Description
42-Ball Ultra Small Scale Ball Grid Array (USS-BGA), JEDEC MO-195, 3.5mm Wide 40-Terminal Molded Leadless Package (MLP), Quad, JEDEC MO-220, 6mm Square

Pb-Free package per JEDEC J-STD-020B. BGA and MLP packages available in tape and reel only.

SerDesTM is a trademark of Fairchild Semiconductor Corporation.
2005 Fairchild Semiconductor Corporation FIN24AC Rev. 1.0.3 www.fairchildsemi.com