48 Memory Controllers 17

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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 Position	Maximum Seated Height	Width	Boundary Scan	External Data Bus Width	Maximum Time At Peak Reflow Temperature (s)	Peak Reflow Temperature (C)	Length	Technology	Maximum Supply Current	Nominal Supply Voltage	Memory Organization	No. of Banks	Sub-Category	Bus Compatibility	Terminal Pitch	JESD-30 Code	Qualification	Low Power Mode
THCT4502-125N	Texas Instruments	MEMORY CONTROLLER, DRAM	COMMERCIAL	THROUGH-HOLE	48	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	5.5 V		18	5	IN-LINE	DIP48,.6	4.5 V	70 Cel	0 Cel	DUAL	5.08 mm	15.24 mm	NO	0	NOT SPECIFIED	NOT SPECIFIED	61.47 mm	CMOS	15 mA	5 V		4	Memory Controllers		2.54 mm	R-PDIP-T48	Not Qualified	NO
THCT4502-125JD	Texas Instruments	MEMORY CONTROLLER, DRAM	COMMERCIAL	THROUGH-HOLE	48	DIP	RECTANGULAR	CERAMIC, METAL-SEALED COFIRED	NO	5.5 V		18	5	IN-LINE	DIP48,.6	4.5 V	70 Cel	0 Cel	DUAL			NO	0	NOT SPECIFIED	NOT SPECIFIED		CMOS	15 mA	5 V		4	Memory Controllers		2.54 mm	R-CDIP-T48	Not Qualified	NO
SN74ALS2967N	Texas Instruments	MEMORY CONTROLLER, DRAM	COMMERCIAL	THROUGH-HOLE	48	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	5.5 V		18	5	IN-LINE	DIP48,.6	4.5 V	70 Cel	0 Cel	DUAL	5.08 mm	15.24 mm	NO	0	NOT SPECIFIED	NOT SPECIFIED	61.47 mm	TTL	200 mA	5 V	1M X 16	4	Memory Controllers		2.54 mm	R-PDIP-T48	Not Qualified	NO
SN74ALS2968N3	Texas Instruments		COMMERCIAL	THROUGH-HOLE	48	DIP	RECTANGULAR	PLASTIC/EPOXY	NO				5	IN-LINE	DIP48,.6		70 Cel	0 Cel	DUAL								TTL	200 mA	5 V			Memory Controllers		2.54 mm	R-PDIP-T48
SN74ALS2967JD	Texas Instruments	MEMORY CONTROLLER, DRAM	COMMERCIAL	THROUGH-HOLE	48	DIP	RECTANGULAR	CERAMIC, METAL-SEALED COFIRED	NO	5.5 V		18	5	IN-LINE	DIP48,.6	4.5 V	70 Cel	0 Cel	DUAL			NO	0	NOT SPECIFIED	NOT SPECIFIED		TTL	200 mA	5 V	1M X 16	4	Memory Controllers		2.54 mm	R-CDIP-T48	Not Qualified	NO
THCT4502BN	Texas Instruments	MEMORY CONTROLLER, DRAM	COMMERCIAL	THROUGH-HOLE	48	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	5.5 V		18	5	IN-LINE	DIP48,.6	4.5 V	70 Cel	0 Cel	DUAL	5.08 mm	15.24 mm	NO	0	NOT SPECIFIED	NOT SPECIFIED	61.47 mm	CMOS	15 mA	5 V		4	Memory Controllers		2.54 mm	R-PDIP-T48	Not Qualified	NO
THCT4502JD	Texas Instruments		COMMERCIAL	THROUGH-HOLE	48	DIP	RECTANGULAR	CERAMIC	NO				5	IN-LINE	DIP48,.6		70 Cel	0 Cel	DUAL								CMOS	15 mA	5 V			Memory Controllers		2.54 mm	R-XDIP-T48	Not Qualified
SNJ54ALS2968JD	Texas Instruments	MEMORY CONTROLLER, DRAM	MILITARY	THROUGH-HOLE	48	DIP	RECTANGULAR	CERAMIC, METAL-SEALED COFIRED	NO	5.5 V	38535Q/M;38534H;883B	18	5	IN-LINE	DIP48,.6	4.5 V	125 Cel	-55 Cel	DUAL			NO	0	NOT SPECIFIED	NOT SPECIFIED		TTL	200 mA	5 V	1M X 16	4	Memory Controllers		2.54 mm	R-CDIP-T48	Not Qualified	NO
THCT4502AN	Texas Instruments		COMMERCIAL	THROUGH-HOLE	48	DIP	RECTANGULAR	PLASTIC/EPOXY	NO				5	IN-LINE	DIP48,.6		70 Cel	0 Cel	DUAL								CMOS		5 V			Memory Controllers		2.54 mm	R-PDIP-T48	Not Qualified
SN74ALS2968N	Texas Instruments	MEMORY CONTROLLER, DRAM	COMMERCIAL	THROUGH-HOLE	48	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	5.5 V		18	5	IN-LINE	DIP48,.6	4.5 V	70 Cel	0 Cel	DUAL	5.08 mm	15.24 mm	NO	0	NOT SPECIFIED	NOT SPECIFIED	61.47 mm	TTL	200 mA	5 V	1M X 16	4	Memory Controllers		2.54 mm	R-PDIP-T48	Not Qualified	NO
SN54ALS2967JD	Texas Instruments	MEMORY CONTROLLER, DRAM	MILITARY	THROUGH-HOLE	48	DIP	RECTANGULAR	CERAMIC, METAL-SEALED COFIRED	NO	5.5 V		18	5	IN-LINE	DIP48,.6	4.5 V	125 Cel	-55 Cel	DUAL			NO	0	NOT SPECIFIED	NOT SPECIFIED		TTL	200 mA	5 V	1M X 16	4	Memory Controllers		2.54 mm	R-CDIP-T48	Not Qualified	NO
SN74ALS2968JD	Texas Instruments	MEMORY CONTROLLER, DRAM	COMMERCIAL	THROUGH-HOLE	48	DIP	RECTANGULAR	CERAMIC, METAL-SEALED COFIRED	NO	5.5 V		18	5	IN-LINE	DIP48,.6	4.5 V	70 Cel	0 Cel	DUAL			NO	0	NOT SPECIFIED	NOT SPECIFIED		TTL	200 mA	5 V	1M X 16	4	Memory Controllers		2.54 mm	R-CDIP-T48	Not Qualified	NO
THCT4502BJD	Texas Instruments	MEMORY CONTROLLER, DRAM	COMMERCIAL	THROUGH-HOLE	48	DIP	RECTANGULAR	CERAMIC, METAL-SEALED COFIRED	NO	5.5 V		18	5	IN-LINE	DIP48,.6	4.5 V	70 Cel	0 Cel	DUAL			NO	0	NOT SPECIFIED	NOT SPECIFIED		CMOS	15 mA	5 V		4	Memory Controllers		2.54 mm	R-CDIP-T48	Not Qualified	NO
SN74ALS2967N3	Texas Instruments		COMMERCIAL	THROUGH-HOLE	48	DIP	RECTANGULAR	PLASTIC/EPOXY	NO				5	IN-LINE	DIP48,.6		70 Cel	0 Cel	DUAL								TTL	200 mA	5 V			Memory Controllers		2.54 mm	R-PDIP-T48
SNJ54ALS2967JD	Texas Instruments	MEMORY CONTROLLER, DRAM	MILITARY	THROUGH-HOLE	48	DIP	RECTANGULAR	CERAMIC, METAL-SEALED COFIRED	NO	5.5 V	38535Q/M;38534H;883B	18	5	IN-LINE	DIP48,.6	4.5 V	125 Cel	-55 Cel	DUAL			NO	0	NOT SPECIFIED	NOT SPECIFIED		TTL	200 mA	5 V	1M X 16	4	Memory Controllers		2.54 mm	R-CDIP-T48	Not Qualified	NO
SN54ALS2968JD	Texas Instruments	MEMORY CONTROLLER, DRAM	MILITARY	THROUGH-HOLE	48	DIP	RECTANGULAR	CERAMIC, METAL-SEALED COFIRED	NO	5.5 V		18	5	IN-LINE	DIP48,.6	4.5 V	125 Cel	-55 Cel	DUAL			NO	0	NOT SPECIFIED	NOT SPECIFIED		TTL	200 mA	5 V	1M X 16	4	Memory Controllers		2.54 mm	R-CDIP-T48	Not Qualified	NO
N74F1763N	NXP Semiconductors	MEMORY CONTROLLER, DRAM	COMMERCIAL	THROUGH-HOLE	48	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	5.5 V		20		IN-LINE		4.5 V	70 Cel	0 Cel	DUAL			NO	0				CMOS		5 V	1M X 1	1		68030		R-PDIP-T48	Not Qualified	NO

Memory Controllers

Memory controllers are specialized electronic circuits that manage the flow of data between a CPU and memory modules. These circuits are typically found on motherboards or embedded systems and are responsible for controlling the timing and data transfer rates between the CPU and memory modules.

Memory controllers are designed to work with specific types of memory modules, such as dynamic random access memory (DRAM), synchronous dynamic random access memory (SDRAM), or double data rate (DDR) memory. They are responsible for configuring the memory modules and managing the transfer of data between the CPU and memory.

Memory controllers use a variety of techniques to optimize the performance of memory access, including prefetching, pipelining, and cache management. Prefetching involves retrieving data from memory before it is requested by the CPU, while pipelining involves overlapping memory operations to reduce the latency of memory access. Cache management involves using on-chip cache memory to store frequently accessed data, reducing the need to access main memory.

Memory controllers are essential components of modern computer systems, as they play a critical role in determining the overall performance of the system. They are responsible for managing the flow of data between the CPU and memory modules, optimizing memory access, and ensuring the reliability and stability of the system.