40 DMA Controllers 56

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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	Screening Level	Address Bus Width	Power Supplies (V)	Package Style (Meter)	Package Equivalence Code	Minimum Supply Voltage	Maximum Operating Temperature	Minimum Operating Temperature	Terminal Finish	Terminal Position	Maximum Seated Height	Width	Additional Features	External Data Bus Width	Maximum Clock Frequency	Maximum Time At Peak Reflow Temperature (s)	Peak Reflow Temperature (C)	Length	Technology	Maximum Supply Current	Nominal Supply Voltage	No. of DMA Channels	Sub-Category	Bus Compatibility	Terminal Pitch	JESD-30 Code	Qualification	JESD-609 Code
D8237	Intel	DMA CONTROLLER	COMMERCIAL	THROUGH-HOLE	40	DIP	RECTANGULAR	CERAMIC	NO				5	IN-LINE	DIP40,.6		70 Cel	0 Cel	Tin/Lead (Sn/Pb)	DUAL									MOS		5 V		DMA Controllers		2.54 mm	R-XDIP-T40	Not Qualified	e0
TMS9911JL	Texas Instruments	DMA CONTROLLER	COMMERCIAL	THROUGH-HOLE	40	DIP	RECTANGULAR	CERAMIC	NO				5	IN-LINE	DIP40,.6		70 Cel	0 Cel		DUAL									MOS	140 mA	5 V		DMA Controllers		2.54 mm	R-XDIP-T40	Not Qualified
TMS9911JDL	Texas Instruments	DMA CONTROLLER	COMMERCIAL	THROUGH-HOLE	40	DIP	RECTANGULAR	CERAMIC	NO				5	IN-LINE	DIP40,.6		70 Cel	0 Cel		DUAL									MOS	140 mA	5 V		DMA Controllers		2.54 mm	R-XDIP-T40	Not Qualified
TMS9911NL	Texas Instruments	DMA CONTROLLER	COMMERCIAL	THROUGH-HOLE	40	DIP	RECTANGULAR	PLASTIC/EPOXY	NO				5	IN-LINE	DIP40,.6		70 Cel	0 Cel		DUAL									MOS	140 mA	5 V		DMA Controllers		2.54 mm	R-PDIP-T40	Not Qualified
Z8410D1	STMicroelectronics	DMA CONTROLLER	COMMERCIAL	THROUGH-HOLE	40	DIP	RECTANGULAR	CERAMIC, METAL-SEALED COFIRED	NO	5.25 V		16	5	IN-LINE	DIP40,.6	4.75 V	70 Cel	0 Cel	TIN LEAD	DUAL				8	2.5 MHz				CMOS	150 mA	5 V	1	DMA Controllers	Z80	2.54 mm	R-CDIP-T40	Not Qualified	e0
Z8410B1	STMicroelectronics	DMA CONTROLLER	COMMERCIAL	THROUGH-HOLE	40	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	5.25 V		16	5	IN-LINE	DIP40,.6	4.75 V	70 Cel	0 Cel	TIN LEAD	DUAL	4.45 mm	15.24 mm		8	2.5 MHz			52.18 mm	CMOS	150 mA	5 V	1	DMA Controllers	Z80	2.54 mm	R-PDIP-T40	Not Qualified	e0
Z84C10AB6	STMicroelectronics	DMA CONTROLLER	INDUSTRIAL	THROUGH-HOLE	40	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	5.5 V		16	5	IN-LINE	DIP40,.6	4.5 V	85 Cel	-40 Cel	TIN LEAD	DUAL	4.45 mm	15.24 mm		8	4 MHz			52.18 mm	CMOS	7 mA	5 V	1	DMA Controllers	Z80	2.54 mm	R-PDIP-T40	Not Qualified	e0
Z8410AB1	STMicroelectronics	DMA CONTROLLER	COMMERCIAL	THROUGH-HOLE	40	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	5.25 V		16	5	IN-LINE	DIP40,.6	4.75 V	70 Cel	0 Cel	TIN LEAD	DUAL	4.45 mm	15.24 mm		8	4 MHz			52.18 mm	CMOS	200 mA	5 V	1	DMA Controllers	Z80	2.54 mm	R-PDIP-T40	Not Qualified	e0
Z84C10BB6	STMicroelectronics	DMA CONTROLLER	INDUSTRIAL	THROUGH-HOLE	40	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	5.5 V		16	5	IN-LINE	DIP40,.6	4.5 V	85 Cel	-40 Cel	TIN LEAD	DUAL	4.45 mm	15.24 mm		8	6 MHz			52.18 mm	CMOS	10 mA	5 V	1	DMA Controllers	Z80	2.54 mm	R-PDIP-T40	Not Qualified	e0
Z8410AD1	STMicroelectronics	DMA CONTROLLER	COMMERCIAL	THROUGH-HOLE	40	DIP	RECTANGULAR	CERAMIC, METAL-SEALED COFIRED	NO	5.25 V		16	5	IN-LINE	DIP40,.6	4.75 V	70 Cel	0 Cel	TIN LEAD	DUAL				8	4 MHz				CMOS	200 mA	5 V	1	DMA Controllers	Z80	2.54 mm	R-CDIP-T40	Not Qualified	e0
Z8410AF1	STMicroelectronics	DMA CONTROLLER	COMMERCIAL	THROUGH-HOLE	40	WDIP	RECTANGULAR	CERAMIC, METAL-SEALED COFIRED	NO	5.25 V		16	5	IN-LINE, WINDOW	DIP40,.6	4.75 V	70 Cel	0 Cel	TIN LEAD	DUAL	5.72 mm	15.24 mm		8	4 MHz			52.195 mm	CMOS	200 mA	5 V	1	DMA Controllers	Z80	2.54 mm	R-CDIP-T40	Not Qualified	e0
Z8410AD2	STMicroelectronics	DMA CONTROLLER	MILITARY	THROUGH-HOLE	40	DIP	RECTANGULAR	CERAMIC, METAL-SEALED COFIRED	NO	5.25 V		16	5	IN-LINE	DIP40,.6	4.75 V	125 Cel	-55 Cel	TIN LEAD	DUAL				8	4 MHz				CMOS	200 mA	5 V	1	DMA Controllers	Z80	2.54 mm	R-CDIP-T40	Not Qualified	e0
Z8410F1	STMicroelectronics	DMA CONTROLLER	COMMERCIAL	THROUGH-HOLE	40	WDIP	RECTANGULAR	CERAMIC, METAL-SEALED COFIRED	NO	5.25 V		16	5	IN-LINE, WINDOW	DIP40,.6	4.75 V	70 Cel	0 Cel	TIN LEAD	DUAL	5.72 mm	15.24 mm		8	2.5 MHz			52.195 mm	CMOS	150 mA	5 V	1	DMA Controllers	Z80	2.54 mm	R-CDIP-T40	Not Qualified	e0
Z8410D2	STMicroelectronics	DMA CONTROLLER	MILITARY	THROUGH-HOLE	40	DIP	RECTANGULAR	CERAMIC, METAL-SEALED COFIRED	NO	5.25 V		16	5	IN-LINE	DIP40,.6	4.75 V	125 Cel	-55 Cel	TIN LEAD	DUAL				8	2.5 MHz				CMOS	150 mA	5 V	1	DMA Controllers	Z80	2.54 mm	R-CDIP-T40	Not Qualified	e0
Z8410AD6	STMicroelectronics	DMA CONTROLLER	INDUSTRIAL	THROUGH-HOLE	40	DIP	RECTANGULAR	CERAMIC, METAL-SEALED COFIRED	NO	5.25 V		16	5	IN-LINE	DIP40,.6	4.75 V	85 Cel	-40 Cel	TIN LEAD	DUAL				8	4 MHz				CMOS	200 mA	5 V	1	DMA Controllers	Z80	2.54 mm	R-CDIP-T40	Not Qualified	e0
Z8410D6	STMicroelectronics	DMA CONTROLLER	INDUSTRIAL	THROUGH-HOLE	40	DIP	RECTANGULAR	CERAMIC, METAL-SEALED COFIRED	NO	5.25 V		16	5	IN-LINE	DIP40,.6	4.75 V	85 Cel	-40 Cel	TIN LEAD	DUAL				8	2.5 MHz				CMOS	150 mA	5 V	1	DMA Controllers	Z80	2.54 mm	R-CDIP-T40	Not Qualified	e0
SAB8237A-P	Infineon Technologies	DMA CONTROLLER	COMMERCIAL	THROUGH-HOLE	40	DIP	RECTANGULAR	PLASTIC/EPOXY	NO				5	IN-LINE	DIP40,.6		70 Cel	0 Cel	Tin/Lead (Sn/Pb)	DUAL									MOS	150 mA	5 V		DMA Controllers		2.54 mm	R-PDIP-T40	Not Qualified	e0
SAB82C37B-5-P	Infineon Technologies	DMA CONTROLLER	COMMERCIAL	THROUGH-HOLE	40	DIP	RECTANGULAR	PLASTIC/EPOXY	NO				5	IN-LINE	DIP40,.6		70 Cel	0 Cel	Tin/Lead (Sn/Pb)	DUAL									CMOS	10 mA	5 V		DMA Controllers		2.54 mm	R-PDIP-T40	Not Qualified	e0
SAB8237A-5-P	Infineon Technologies	DMA CONTROLLER	COMMERCIAL	THROUGH-HOLE	40	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	5.25 V		8	5	IN-LINE	DIP40,.6	4.75 V	70 Cel	0 Cel	TIN LEAD	DUAL	5.1 mm	15.24 mm		8	5 MHz			50.9 mm	NMOS	150 mA	5 V	4	DMA Controllers		2.54 mm	R-PDIP-T40	Not Qualified	e0
SAB82C37A-8-P	Infineon Technologies	DMA CONTROLLER	COMMERCIAL	THROUGH-HOLE	40	DIP	RECTANGULAR	PLASTIC/EPOXY	NO				5	IN-LINE	DIP40,.6		70 Cel	0 Cel	Tin/Lead (Sn/Pb)	DUAL									CMOS	16 mA	5 V		DMA Controllers		2.54 mm	R-PDIP-T40	Not Qualified	e0
SAB82C37B-8-P	Infineon Technologies	DMA CONTROLLER	COMMERCIAL	THROUGH-HOLE	40	DIP	RECTANGULAR	PLASTIC/EPOXY	NO				5	IN-LINE	DIP40,.6		70 Cel	0 Cel	Tin/Lead (Sn/Pb)	DUAL									CMOS	16 mA	5 V		DMA Controllers		2.54 mm	R-PDIP-T40	Not Qualified	e0
SAB82C37A-5-P	Infineon Technologies	DMA CONTROLLER	COMMERCIAL	THROUGH-HOLE	40	DIP	RECTANGULAR	PLASTIC/EPOXY	NO				5	IN-LINE	DIP40,.6		70 Cel	0 Cel	Tin/Lead (Sn/Pb)	DUAL									CMOS	10 mA	5 V		DMA Controllers		2.54 mm	R-PDIP-T40	Not Qualified	e0
TMPZ84C10AP-6	Toshiba	DMA CONTROLLER	INDUSTRIAL	THROUGH-HOLE	40	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	5.5 V		16		IN-LINE		4.5 V	85 Cel	-40 Cel	TIN LEAD	DUAL	4.8 mm	15.24 mm	BYTE/BURST/CONT TRANSFER MODES; SUPPORTS EXT DAISY CHAINING; DATA TRANSFER RATE [MBYTES/SEC.] = 3	8	6 MHz			50.7 mm	CMOS	10 mA	5 V	1		Z80	2.54 mm	R-PDIP-T40	Not Qualified	e0
TMP8237AP-5	Toshiba	DMA CONTROLLER	COMMERCIAL	THROUGH-HOLE	40	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	5.25 V		8	5	IN-LINE	DIP40,.6	4.75 V	70 Cel	0 Cel	Tin/Lead (Sn/Pb)	DUAL	4.8 mm	15.24 mm		8	5 MHz			50.7 mm	CMOS	150 mA	5 V	4	DMA Controllers		2.54 mm	R-PDIP-T40	Not Qualified	e0
TMP8237AP	Toshiba	DMA CONTROLLER	COMMERCIAL	THROUGH-HOLE	40	DIP	RECTANGULAR	PLASTIC/EPOXY	NO				5	IN-LINE	DIP40,.6		70 Cel	0 Cel	Tin/Lead (Sn/Pb)	DUAL									MOS		5 V		DMA Controllers		2.54 mm	R-PDIP-T40	Not Qualified	e0
TMP82C37AP-5	Toshiba	DMA CONTROLLER	INDUSTRIAL	THROUGH-HOLE	40	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	5.5 V		16	5	IN-LINE	DIP40,.6	4.5 V	85 Cel	-40 Cel	Tin/Lead (Sn/Pb)	DUAL	4.8 mm	15.24 mm	SINGLE/BLOCK/DEMAND XFR MODES; FIXED & ROTATIONAL PRI INTRPT MODES; DATA XFR RATE [MBYTES/SEC.] = 5	8	5 MHz			50.7 mm	CMOS	10 mA	5 V	4	DMA Controllers	8085	2.54 mm	R-PDIP-T40	Not Qualified	e0
TMPZ84C10AM-6	Toshiba	DMA CONTROLLER	INDUSTRIAL	GULL WING	40	SSOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V		16	5	SMALL OUTLINE, SHRINK PITCH	SOP40,.5,30	4.5 V	85 Cel	-40 Cel	Tin/Lead (Sn/Pb)	DUAL	2.8 mm	8.8 mm	BYTE/BURST/CONT TRANSFER MODES; SUPPORTS EXT DAISY CHAINING; DATA TRANSFER RATE [MBYTES/SEC.] = 3	8	6 MHz			17.5 mm	CMOS	10 mA	5 V	1	DMA Controllers	Z80	.8 mm	R-PDSO-G40	Not Qualified	e0
TMP82C37BP-8	Toshiba	DMA CONTROLLER	INDUSTRIAL	THROUGH-HOLE	40	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	5.5 V		16		IN-LINE		4.5 V	85 Cel	-40 Cel		DUAL	4.8 mm	15.24 mm	SINGLE/BLOCK/DEMAND XFR MODES; FIXED & ROTATIONAL PRI INTRPT MODES; DATA XFR RATE [MBYTES/SEC.] = 8	8	8 MHz			50.7 mm	CMOS	16 mA	5 V	4		8085	2.54 mm	R-PDIP-T40	Not Qualified
TMP82C37AM-5	Toshiba	DMA CONTROLLER	INDUSTRIAL	GULL WING	40	SSOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V		16	5	SMALL OUTLINE, SHRINK PITCH	SOP40,.5,30	4.5 V	85 Cel	-40 Cel	Tin/Lead (Sn/Pb)	DUAL	2.8 mm	8.8 mm	SINGLE/BLOCK/DEMAND XFR MODES; FIXED & ROTATIONAL PRI INTRPT MODES; DATA XFR RATE [MBYTES/SEC.] = 5	8	5 MHz			17.5 mm	CMOS	10 mA	5 V	4	DMA Controllers	8085	.8 mm	R-PDSO-G40	Not Qualified	e0
TMPZ84C10P	Toshiba	DMA CONTROLLER	INDUSTRIAL	THROUGH-HOLE	40	DIP	RECTANGULAR	PLASTIC/EPOXY	NO				5	IN-LINE	DIP40,.6		85 Cel	-40 Cel	Tin/Lead (Sn/Pb)	DUAL									CMOS		5 V		DMA Controllers		2.54 mm	R-PDIP-T40	Not Qualified	e0
TMP82C37BM-8	Toshiba	DMA CONTROLLER	INDUSTRIAL	GULL WING	40	SSOP	RECTANGULAR	PLASTIC/EPOXY	YES	5.5 V		16		SMALL OUTLINE, SHRINK PITCH		4.5 V	85 Cel	-40 Cel		DUAL	2.8 mm	8.8 mm	SINGLE/BLOCK/DEMAND XFR MODES; FIXED & ROTATIONAL PRI INTRPT MODES; DATA XFR RATE [MBYTES/SEC.] = 8	8	8 MHz			17.5 mm	CMOS	16 mA	5 V	4		8085	.8 mm	R-PDSO-G40	Not Qualified
TMPZ84C10AP	Toshiba	DMA CONTROLLER	INDUSTRIAL	THROUGH-HOLE	40	DIP	RECTANGULAR	PLASTIC/EPOXY	NO				5	IN-LINE	DIP40,.6		85 Cel	-40 Cel	Tin/Lead (Sn/Pb)	DUAL									CMOS		5 V		DMA Controllers		2.54 mm	R-PDIP-T40	Not Qualified	e0
5962-9054302MQX	Renesas Electronics	DMA CONTROLLER	MILITARY	THROUGH-HOLE	40	DIP	RECTANGULAR	CERAMIC, GLASS-SEALED	NO	5.5 V	MIL-STD-883 Class B	8		IN-LINE		4.5 V	125 Cel	-55 Cel	TIN LEAD	DUAL	5.72 mm	15.24 mm		8	8 MHz	NOT SPECIFIED	NOT SPECIFIED		CMOS		5 V	4		80C286; 80286; 80186; 80C86; 8086; 80C88; 8088; 8085; Z80; NSC800	2.54 mm	R-GDIP-T40	Qualified	e0
UPD8257-5C	Renesas Electronics	DMA CONTROLLER	COMMERCIAL	THROUGH-HOLE	40	DIP	RECTANGULAR	PLASTIC/EPOXY	NO				5	IN-LINE	DIP40,.6		70 Cel	0 Cel	Tin/Lead (Sn/Pb)	DUAL									MOS		5 V		DMA Controllers		2.54 mm	R-PDIP-T40	Not Qualified	e0
UPD8257-2C	Renesas Electronics	DMA CONTROLLER	COMMERCIAL	THROUGH-HOLE	40	DIP	RECTANGULAR	PLASTIC/EPOXY	NO				5	IN-LINE	DIP40,.6		70 Cel	0 Cel	Tin/Lead (Sn/Pb)	DUAL									MOS		5 V		DMA Controllers		2.54 mm	R-PDIP-T40	Not Qualified	e0
UPD8237AD-5	Renesas Electronics	DMA CONTROLLER	COMMERCIAL	THROUGH-HOLE	40	DIP	RECTANGULAR	CERAMIC	NO				5	IN-LINE	DIP40,.6		70 Cel	0 Cel	Tin/Lead (Sn/Pb)	DUAL									MOS		5 V		DMA Controllers		2.54 mm	R-XDIP-T40	Not Qualified	e0
UPD71037C	Renesas Electronics	DMA CONTROLLER	INDUSTRIAL	THROUGH-HOLE	40	DIP	RECTANGULAR	PLASTIC/EPOXY	NO				5	IN-LINE	DIP40,.6		85 Cel	-40 Cel	Tin/Lead (Sn/Pb)	DUAL									CMOS		5 V		DMA Controllers		2.54 mm	R-PDIP-T40	Not Qualified	e0
UPD8257D-2	Renesas Electronics	DMA CONTROLLER	COMMERCIAL	THROUGH-HOLE	40	DIP	RECTANGULAR	CERAMIC	NO				5	IN-LINE	DIP40,.6		70 Cel	0 Cel	Tin/Lead (Sn/Pb)	DUAL									MOS		5 V		DMA Controllers		2.54 mm	R-XDIP-T40	Not Qualified	e0
UPD8257-5D	Renesas Electronics	DMA CONTROLLER	COMMERCIAL	THROUGH-HOLE	40	DIP	RECTANGULAR	CERAMIC	NO				5	IN-LINE	DIP40,.6		70 Cel	0 Cel	Tin/Lead (Sn/Pb)	DUAL									MOS		5 V		DMA Controllers		2.54 mm	R-XDIP-T40	Not Qualified	e0
UPD8237AC-5	Renesas Electronics	DMA CONTROLLER	COMMERCIAL	THROUGH-HOLE	40	DIP	RECTANGULAR	PLASTIC/EPOXY	NO				5	IN-LINE	DIP40,.6		70 Cel	0 Cel	Tin/Lead (Sn/Pb)	DUAL									MOS		5 V		DMA Controllers		2.54 mm	R-PDIP-T40	Not Qualified	e0
UPD8257-2D	Renesas Electronics	DMA CONTROLLER	COMMERCIAL	THROUGH-HOLE	40	DIP	RECTANGULAR	CERAMIC	NO				5	IN-LINE	DIP40,.6		70 Cel	0 Cel	Tin/Lead (Sn/Pb)	DUAL									MOS		5 V		DMA Controllers		2.54 mm	R-XDIP-T40	Not Qualified	e0
MD82C37A/B	Renesas Electronics	DMA CONTROLLER		THROUGH-HOLE	40	DIP	RECTANGULAR	CERAMIC, METAL-SEALED COFIRED	NO	5.5 V		8		IN-LINE	DIP40,.6	4.5 V	125 Cel	-55 Cel	TIN LEAD	DUAL	5.72 mm	15.24 mm	LG-MAX	8	8 MHz			53.24 mm	CMOS	2 mA	5 V	4		80C286; 80286; 80186; 80C86; 8086; 80C88; 8088; 8085; Z80; NSC800	2.54 mm	R-CDIP-T40		e0
UPD8257C-5	Renesas Electronics	DMA CONTROLLER	COMMERCIAL	THROUGH-HOLE	40	DIP	RECTANGULAR	PLASTIC/EPOXY	NO				5	IN-LINE	DIP40,.6		70 Cel	0 Cel	Tin/Lead (Sn/Pb)	DUAL									MOS		5 V		DMA Controllers		2.54 mm	R-PDIP-T40	Not Qualified	e0
IP82C37A/+	Renesas Electronics	DMA CONTROLLER	INDUSTRIAL	THROUGH-HOLE	40	DIP	RECTANGULAR	PLASTIC/EPOXY	NO				5	IN-LINE	DIP40,.6		85 Cel	-40 Cel		DUAL									CMOS	16 mA	5 V		DMA Controllers		2.54 mm	R-PDIP-T40
UPD71037CZ-10	Renesas Electronics	DMA CONTROLLER	INDUSTRIAL	THROUGH-HOLE	40	DIP	RECTANGULAR	PLASTIC/EPOXY	NO				5	IN-LINE	DIP40,.6		85 Cel	-40 Cel	Tin/Lead (Sn/Pb)	DUAL									CMOS	20 mA	5 V		DMA Controllers		2.54 mm	R-PDIP-T40	Not Qualified	e0
CP82C37A-5	Renesas Electronics	DMA CONTROLLER		THROUGH-HOLE	40	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	5.5 V		8		IN-LINE	DIP40,.6	4.5 V	70 Cel	0 Cel		DUAL	6.35 mm	15.24 mm		8	5 MHz			50.25 mm	CMOS	2 mA	5 V	4		80C286; 80286; 80186; 80C86; 8086; 80C88; 8088; 8085; Z80; NSC800	2.54 mm	R-PDIP-T40
UPD8257C-2	Renesas Electronics	DMA CONTROLLER	COMMERCIAL	THROUGH-HOLE	40	DIP	RECTANGULAR	PLASTIC/EPOXY	NO				5	IN-LINE	DIP40,.6		70 Cel	0 Cel	Tin/Lead (Sn/Pb)	DUAL									MOS		5 V		DMA Controllers		2.54 mm	R-PDIP-T40	Not Qualified	e0
UPD8257C	Renesas Electronics	DMA CONTROLLER	COMMERCIAL	THROUGH-HOLE	40	DIP	RECTANGULAR	PLASTIC/EPOXY	NO				5	IN-LINE	DIP40,.6		70 Cel	0 Cel	Tin/Lead (Sn/Pb)	DUAL									MOS		5 V		DMA Controllers		2.54 mm	R-PDIP-T40	Not Qualified	e0

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.