NXP Semiconductors DMA Controllers 4

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Part	Manufacturer	Peripheral IC Type	Temperature Grade	Terminal Form	No. of Terminals	Package Code	Package Shape	Package Body Material	Surface Mount	Maximum Supply Voltage	Address Bus Width	Package Style (Meter)	Minimum Supply Voltage	Maximum Operating Temperature	Terminal Position	Maximum Seated Height	Width	External Data Bus Width	Maximum Clock Frequency	Length	Technology	Nominal Supply Voltage	No. of DMA Channels	Terminal Pitch	JESD-30 Code	Qualification
SC68C460C6A	NXP Semiconductors	DMA CONTROLLER	COMMERCIAL	J BEND	68	QCCJ	SQUARE	PLASTIC/EPOXY	YES	5.5 V	24	CHIP CARRIER	4.5 V	70 Cel	QUAD	4.57 mm	24.2316 mm	16	16 MHz	24.2316 mm	CMOS	5 V	32	1.27 mm	S-PQCC-J68	Not Qualified
SC26C460C6A-T	NXP Semiconductors	DMA CONTROLLER	COMMERCIAL	J BEND	68	QCCJ	SQUARE	PLASTIC/EPOXY	YES	5.5 V	24	CHIP CARRIER	4.5 V	70 Cel	QUAD	4.57 mm	24.2316 mm	16	16 MHz	24.2316 mm	CMOS	5 V	32	1.27 mm	S-PQCC-J68	Not Qualified
SC68C460C6A-T	NXP Semiconductors	DMA CONTROLLER	COMMERCIAL	J BEND	68	QCCJ	SQUARE	PLASTIC/EPOXY	YES	5.5 V	24	CHIP CARRIER	4.5 V	70 Cel	QUAD	4.57 mm	24.2316 mm	16	16 MHz	24.2316 mm	CMOS	5 V	32	1.27 mm	S-PQCC-J68	Not Qualified
SC26C460C6A	NXP Semiconductors	DMA CONTROLLER	COMMERCIAL	J BEND	68	QCCJ	SQUARE	PLASTIC/EPOXY	YES	5.5 V	24	CHIP CARRIER	4.5 V	70 Cel	QUAD	4.57 mm	24.2316 mm	16	16 MHz	24.2316 mm	CMOS	5 V	32	1.27 mm	S-PQCC-J68	Not Qualified

DMA Controllers

A DMA (Direct Memory Access) controller is an electronic circuit that manages the transfer of data between devices without involving the CPU. It enables data to be transferred between memory and other devices, such as input/output (I/O) devices or storage devices, without interrupting the CPU. DMA controllers are commonly used in systems that require high-speed data transfer, such as multimedia systems and data storage systems.

DMA controllers work by allowing devices to access the system's memory directly, without going through the CPU. The DMA controller manages the transfer of data between devices and memory, and can transfer data in large blocks, reducing the number of interrupts that are required. This allows the CPU to focus on other tasks while the data transfer is taking place.

DMA controllers can also provide additional features such as bus arbitration, which is used to resolve conflicts that occur when multiple devices attempt to access the bus at the same time. DMA controllers can also provide error detection and correction, ensuring that data is transferred accurately and reliably.