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Part RoHS Manufacturer Memory IC Type Temperature Grade No. of Terminals Package Code Refresh Cycles Package Shape Package Body Material Access Mode Surface Mount No. of Functions Technology Screening Level Nominal Negative Supply Voltage Terminal Form Parallel or Serial Operating Mode Maximum Supply Current No. of Words Sequential Burst Length Self Refresh Input/Output Type Nominal Supply Voltage / Vsup (V) Mixed Memory Type Power Supplies (V) Memory Width Package Style (Meter) Package Equivalence Code Alternate Memory Width Sub-Category Terminal Pitch Maximum Operating Temperature Reverse Pinout Output Characteristics Organization No. of Words Code Minimum Standby Voltage Minimum Operating Temperature Terminal Finish Terminal Position No. of Ports JESD-30 Code Moisture Sensitivity Level (MSL) Maximum Supply Voltage (Vsup) Maximum Seated Height Maximum Clock Frequency (fCLK) Width Qualification Memory Density Minimum Supply Voltage (Vsup) Additional Features JESD-609 Code Maximum Time At Peak Reflow Temperature (s) Peak Reflow Temperature (C) Maximum Standby Current Interleaved Burst Length Length Maximum Access Time

TM4161EV4-15L

Texas Instruments

VIDEO DRAM MODULE

COMMERCIAL

31

256

RECTANGULAR

UNSPECIFIED

PAGE

NO

1

NMOS

THROUGH-HOLE

ASYNCHRONOUS

65536 words

5

4

MICROELECTRONIC ASSEMBLY

SIP31,.2

Other Memory ICs

2.54 mm

70 Cel

3-STATE

64KX4

64K

0 Cel

SINGLE

2

R-XSMA-T31

5.5 V

Not Qualified

262144 bit

4.5 V

RAS ONLY REFRESH; 256 X 4 SAM PORT

NOT SPECIFIED

NOT SPECIFIED

150 ns

TM4161EV4-20L

Texas Instruments

VIDEO DRAM MODULE

COMMERCIAL

31

256

RECTANGULAR

UNSPECIFIED

PAGE

NO

1

NMOS

THROUGH-HOLE

ASYNCHRONOUS

65536 words

5

4

MICROELECTRONIC ASSEMBLY

SIP31,.2

Other Memory ICs

2.54 mm

70 Cel

3-STATE

64KX4

64K

0 Cel

SINGLE

2

R-XSMA-T31

5.5 V

Not Qualified

262144 bit

4.5 V

RAS ONLY REFRESH; 256 X 4 SAM PORT

NOT SPECIFIED

NOT SPECIFIED

200 ns

MT4C1004JD30ADC7-7

Micron Technology

FAST PAGE DRAM

31

DIE

RECTANGULAR

UNSPECIFIED

FAST PAGE

YES

1

CMOS

NO LEAD

ASYNCHRONOUS

4194304 words

5

1

UNCASED CHIP

3-STATE

4MX1

4M

UPPER

1

R-XUUC-N31

Not Qualified

4194304 bit

RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH

70 ns

MT4C4001JD30ADC7-7

Micron Technology

FAST PAGE DRAM

31

DIE

RECTANGULAR

UNSPECIFIED

FAST PAGE

YES

1

CMOS

NO LEAD

ASYNCHRONOUS

1048576 words

5

4

UNCASED CHIP

3-STATE

1MX4

1M

UPPER

1

R-XUUC-N31

Not Qualified

4194304 bit

RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH

70 ns

MT4C1004JD30ADC2

Micron Technology

FAST PAGE DRAM

31

DIE

RECTANGULAR

UNSPECIFIED

FAST PAGE

YES

1

CMOS

NO LEAD

ASYNCHRONOUS

4194304 words

5

1

UNCASED CHIP

3-STATE

4MX1

4M

UPPER

1

R-XUUC-N31

Not Qualified

4194304 bit

RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH

MT4C1004JD30AWC1-8

Micron Technology

FAST PAGE DRAM

31

DIE

RECTANGULAR

UNSPECIFIED

FAST PAGE

YES

1

CMOS

NO LEAD

ASYNCHRONOUS

4194304 words

5

1

UNCASED CHIP

3-STATE

4MX1

4M

UPPER

1

R-XUUC-N31

Not Qualified

4194304 bit

RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH

80 ns

MT4C4001JD30ADC2-8

Micron Technology

FAST PAGE DRAM

31

DIE

RECTANGULAR

UNSPECIFIED

FAST PAGE

YES

1

CMOS

NO LEAD

ASYNCHRONOUS

1048576 words

5

4

UNCASED CHIP

3-STATE

1MX4

1M

UPPER

1

R-XUUC-N31

Not Qualified

4194304 bit

RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH

80 ns

MT4C1004JD30AWC2

Micron Technology

FAST PAGE DRAM

31

DIE

RECTANGULAR

UNSPECIFIED

FAST PAGE

YES

1

CMOS

NO LEAD

ASYNCHRONOUS

4194304 words

5

1

UNCASED CHIP

3-STATE

4MX1

4M

UPPER

1

R-XUUC-N31

Not Qualified

4194304 bit

RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH

MT4C4001JD30ADC2-7

Micron Technology

FAST PAGE DRAM

31

DIE

RECTANGULAR

UNSPECIFIED

FAST PAGE

YES

1

CMOS

NO LEAD

ASYNCHRONOUS

1048576 words

5

4

UNCASED CHIP

3-STATE

1MX4

1M

UPPER

1

R-XUUC-N31

Not Qualified

4194304 bit

RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH

70 ns

MT4C4001JD30ADC3

Micron Technology

FAST PAGE DRAM

31

DIE

RECTANGULAR

UNSPECIFIED

FAST PAGE

YES

1

CMOS

NO LEAD

ASYNCHRONOUS

1048576 words

5

4

UNCASED CHIP

3-STATE

1MX4

1M

UPPER

1

R-XUUC-N31

Not Qualified

4194304 bit

RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH

MT4C4001JD30ADC3-8

Micron Technology

FAST PAGE DRAM

31

DIE

RECTANGULAR

UNSPECIFIED

FAST PAGE

YES

1

CMOS

NO LEAD

ASYNCHRONOUS

1048576 words

5

4

UNCASED CHIP

3-STATE

1MX4

1M

UPPER

1

R-XUUC-N31

Not Qualified

4194304 bit

RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH

80 ns

MT4C1004JD30AWC1

Micron Technology

FAST PAGE DRAM

31

DIE

RECTANGULAR

UNSPECIFIED

FAST PAGE

YES

1

CMOS

NO LEAD

ASYNCHRONOUS

4194304 words

5

1

UNCASED CHIP

3-STATE

4MX1

4M

UPPER

1

R-XUUC-N31

Not Qualified

4194304 bit

RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH

MT4C4001JD30ADC2

Micron Technology

FAST PAGE DRAM

31

DIE

RECTANGULAR

UNSPECIFIED

FAST PAGE

YES

1

CMOS

NO LEAD

ASYNCHRONOUS

1048576 words

5

4

UNCASED CHIP

3-STATE

1MX4

1M

UPPER

1

R-XUUC-N31

Not Qualified

4194304 bit

RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH

MT4C4001JD30ADC7-6

Micron Technology

FAST PAGE DRAM

31

DIE

RECTANGULAR

UNSPECIFIED

FAST PAGE

YES

1

CMOS

NO LEAD

ASYNCHRONOUS

1048576 words

5

4

UNCASED CHIP

3-STATE

1MX4

1M

UPPER

1

R-XUUC-N31

Not Qualified

4194304 bit

RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH

60 ns

MT4C1004JD30ADC3-6

Micron Technology

FAST PAGE DRAM

31

DIE

RECTANGULAR

UNSPECIFIED

FAST PAGE

YES

1

CMOS

NO LEAD

ASYNCHRONOUS

4194304 words

5

1

UNCASED CHIP

3-STATE

4MX1

4M

UPPER

1

R-XUUC-N31

Not Qualified

4194304 bit

RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH

60 ns

MT4C1004JD30ADC1-8

Micron Technology

FAST PAGE DRAM

31

DIE

RECTANGULAR

UNSPECIFIED

FAST PAGE

YES

1

CMOS

NO LEAD

ASYNCHRONOUS

4194304 words

5

1

UNCASED CHIP

3-STATE

4MX1

4M

UPPER

1

R-XUUC-N31

Not Qualified

4194304 bit

RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH

80 ns

MT4C4001JD30AWC2

Micron Technology

FAST PAGE DRAM

31

DIE

RECTANGULAR

UNSPECIFIED

FAST PAGE

YES

1

CMOS

NO LEAD

ASYNCHRONOUS

1048576 words

5

4

UNCASED CHIP

3-STATE

1MX4

1M

UPPER

1

R-XUUC-N31

Not Qualified

4194304 bit

RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH

MT4C4001JD30AWC2-8

Micron Technology

FAST PAGE DRAM

31

DIE

RECTANGULAR

UNSPECIFIED

FAST PAGE

YES

1

CMOS

NO LEAD

ASYNCHRONOUS

1048576 words

5

4

UNCASED CHIP

3-STATE

1MX4

1M

UPPER

1

R-XUUC-N31

Not Qualified

4194304 bit

RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH

80 ns

MT4C4001JD30ADC3-6

Micron Technology

FAST PAGE DRAM

31

DIE

RECTANGULAR

UNSPECIFIED

FAST PAGE

YES

1

CMOS

NO LEAD

ASYNCHRONOUS

1048576 words

5

4

UNCASED CHIP

3-STATE

1MX4

1M

UPPER

1

R-XUUC-N31

Not Qualified

4194304 bit

RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH

60 ns

MT4C1004JD30ADC2-8

Micron Technology

FAST PAGE DRAM

31

DIE

RECTANGULAR

UNSPECIFIED

FAST PAGE

YES

1

CMOS

NO LEAD

ASYNCHRONOUS

4194304 words

5

1

UNCASED CHIP

3-STATE

4MX1

4M

UPPER

1

R-XUUC-N31

Not Qualified

4194304 bit

RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH

80 ns

MT4C1004JD30ADC2-6

Micron Technology

FAST PAGE DRAM

31

DIE

RECTANGULAR

UNSPECIFIED

FAST PAGE

YES

1

CMOS

NO LEAD

ASYNCHRONOUS

4194304 words

5

1

UNCASED CHIP

3-STATE

4MX1

4M

UPPER

1

R-XUUC-N31

Not Qualified

4194304 bit

RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH

60 ns

MT4C4001JD30ADC1

Micron Technology

FAST PAGE DRAM

31

DIE

RECTANGULAR

UNSPECIFIED

FAST PAGE

YES

1

CMOS

NO LEAD

ASYNCHRONOUS

1048576 words

5

4

UNCASED CHIP

3-STATE

1MX4

1M

UPPER

1

R-XUUC-N31

Not Qualified

4194304 bit

RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH

MT4C1004JD30ADC7-6

Micron Technology

FAST PAGE DRAM

31

DIE

RECTANGULAR

UNSPECIFIED

FAST PAGE

YES

1

CMOS

NO LEAD

ASYNCHRONOUS

4194304 words

5

1

UNCASED CHIP

3-STATE

4MX1

4M

UPPER

1

R-XUUC-N31

Not Qualified

4194304 bit

RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH

60 ns

MT4C4001JD30AWC1-8

Micron Technology

FAST PAGE DRAM

31

DIE

RECTANGULAR

UNSPECIFIED

FAST PAGE

YES

1

CMOS

NO LEAD

ASYNCHRONOUS

1048576 words

5

4

UNCASED CHIP

3-STATE

1MX4

1M

UPPER

1

R-XUUC-N31

Not Qualified

4194304 bit

RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH

80 ns

MT4C1004JD30ADC1

Micron Technology

FAST PAGE DRAM

31

DIE

RECTANGULAR

UNSPECIFIED

FAST PAGE

YES

1

CMOS

NO LEAD

ASYNCHRONOUS

4194304 words

5

1

UNCASED CHIP

3-STATE

4MX1

4M

UPPER

1

R-XUUC-N31

Not Qualified

4194304 bit

RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH

MT4C4001JD30ADC3-7

Micron Technology

FAST PAGE DRAM

31

DIE

RECTANGULAR

UNSPECIFIED

FAST PAGE

YES

1

CMOS

NO LEAD

ASYNCHRONOUS

1048576 words

5

4

UNCASED CHIP

3-STATE

1MX4

1M

UPPER

1

R-XUUC-N31

Not Qualified

4194304 bit

RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH

70 ns

MT4C1004JD30ADC3-7

Micron Technology

FAST PAGE DRAM

31

DIE

RECTANGULAR

UNSPECIFIED

FAST PAGE

YES

1

CMOS

NO LEAD

ASYNCHRONOUS

4194304 words

5

1

UNCASED CHIP

3-STATE

4MX1

4M

UPPER

1

R-XUUC-N31

Not Qualified

4194304 bit

RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH

70 ns

MT4C1004JD30ADC7-8

Micron Technology

FAST PAGE DRAM

31

DIE

RECTANGULAR

UNSPECIFIED

FAST PAGE

YES

1

CMOS

NO LEAD

ASYNCHRONOUS

4194304 words

5

1

UNCASED CHIP

3-STATE

4MX1

4M

UPPER

1

R-XUUC-N31

Not Qualified

4194304 bit

RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH

80 ns

MT4C1004JD30ADC3

Micron Technology

FAST PAGE DRAM

31

DIE

RECTANGULAR

UNSPECIFIED

FAST PAGE

YES

1

CMOS

NO LEAD

ASYNCHRONOUS

4194304 words

5

1

UNCASED CHIP

3-STATE

4MX1

4M

UPPER

1

R-XUUC-N31

Not Qualified

4194304 bit

RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH

MT4C4001JD30AWC2-7

Micron Technology

FAST PAGE DRAM

31

DIE

RECTANGULAR

UNSPECIFIED

FAST PAGE

YES

1

CMOS

NO LEAD

ASYNCHRONOUS

1048576 words

5

4

UNCASED CHIP

3-STATE

1MX4

1M

UPPER

1

R-XUUC-N31

Not Qualified

4194304 bit

RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH

70 ns

MT4C1004JD30ADC2-7

Micron Technology

FAST PAGE DRAM

31

DIE

RECTANGULAR

UNSPECIFIED

FAST PAGE

YES

1

CMOS

NO LEAD

ASYNCHRONOUS

4194304 words

5

1

UNCASED CHIP

3-STATE

4MX1

4M

UPPER

1

R-XUUC-N31

Not Qualified

4194304 bit

RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH

70 ns

MT4C1004JD30AWC2-8

Micron Technology

FAST PAGE DRAM

31

DIE

RECTANGULAR

UNSPECIFIED

FAST PAGE

YES

1

CMOS

NO LEAD

ASYNCHRONOUS

4194304 words

5

1

UNCASED CHIP

3-STATE

4MX1

4M

UPPER

1

R-XUUC-N31

Not Qualified

4194304 bit

RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH

80 ns

MT4C1004JD30AWC2-7

Micron Technology

FAST PAGE DRAM

31

DIE

RECTANGULAR

UNSPECIFIED

FAST PAGE

YES

1

CMOS

NO LEAD

ASYNCHRONOUS

4194304 words

5

1

UNCASED CHIP

3-STATE

4MX1

4M

UPPER

1

R-XUUC-N31

Not Qualified

4194304 bit

RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH

70 ns

MT4C1004JD30AWC2-6

Micron Technology

FAST PAGE DRAM

31

DIE

RECTANGULAR

UNSPECIFIED

FAST PAGE

YES

1

CMOS

NO LEAD

ASYNCHRONOUS

4194304 words

5

1

UNCASED CHIP

3-STATE

4MX1

4M

UPPER

1

R-XUUC-N31

Not Qualified

4194304 bit

RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH

60 ns

MT4C4001JD30ADC7-8

Micron Technology

FAST PAGE DRAM

31

DIE

RECTANGULAR

UNSPECIFIED

FAST PAGE

YES

1

CMOS

NO LEAD

ASYNCHRONOUS

1048576 words

5

4

UNCASED CHIP

3-STATE

1MX4

1M

UPPER

1

R-XUUC-N31

Not Qualified

4194304 bit

RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH

80 ns

MT4C4001JD30AWC2-6

Micron Technology

FAST PAGE DRAM

31

DIE

RECTANGULAR

UNSPECIFIED

FAST PAGE

YES

1

CMOS

NO LEAD

ASYNCHRONOUS

1048576 words

5

4

UNCASED CHIP

3-STATE

1MX4

1M

UPPER

1

R-XUUC-N31

Not Qualified

4194304 bit

RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH

60 ns

MT4C4001JD30ADC7

Micron Technology

FAST PAGE DRAM

31

DIE

RECTANGULAR

UNSPECIFIED

FAST PAGE

YES

1

CMOS

NO LEAD

ASYNCHRONOUS

1048576 words

5

4

UNCASED CHIP

3-STATE

1MX4

1M

UPPER

1

R-XUUC-N31

Not Qualified

4194304 bit

RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH

MT4C4001JD30ADC2-6

Micron Technology

FAST PAGE DRAM

31

DIE

RECTANGULAR

UNSPECIFIED

FAST PAGE

YES

1

CMOS

NO LEAD

ASYNCHRONOUS

1048576 words

5

4

UNCASED CHIP

3-STATE

1MX4

1M

UPPER

1

R-XUUC-N31

Not Qualified

4194304 bit

RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH

60 ns

MT4C4001JD30AWC1

Micron Technology

FAST PAGE DRAM

31

DIE

RECTANGULAR

UNSPECIFIED

FAST PAGE

YES

1

CMOS

NO LEAD

ASYNCHRONOUS

1048576 words

5

4

UNCASED CHIP

3-STATE

1MX4

1M

UPPER

1

R-XUUC-N31

Not Qualified

4194304 bit

RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH

MT4C4001JD30ADC1-8

Micron Technology

FAST PAGE DRAM

31

DIE

RECTANGULAR

UNSPECIFIED

FAST PAGE

YES

1

CMOS

NO LEAD

ASYNCHRONOUS

1048576 words

5

4

UNCASED CHIP

3-STATE

1MX4

1M

UPPER

1

R-XUUC-N31

Not Qualified

4194304 bit

RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH

80 ns

MT4C1004JD30ADC3-8

Micron Technology

FAST PAGE DRAM

31

DIE

RECTANGULAR

UNSPECIFIED

FAST PAGE

YES

1

CMOS

NO LEAD

ASYNCHRONOUS

4194304 words

5

1

UNCASED CHIP

3-STATE

4MX1

4M

UPPER

1

R-XUUC-N31

Not Qualified

4194304 bit

RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH

80 ns

MT4C1004JD30ADC7

Micron Technology

FAST PAGE DRAM

31

DIE

RECTANGULAR

UNSPECIFIED

FAST PAGE

YES

1

CMOS

NO LEAD

ASYNCHRONOUS

4194304 words

5

1

UNCASED CHIP

3-STATE

4MX1

4M

UPPER

1

R-XUUC-N31

Not Qualified

4194304 bit

RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH

DRAM

DRAM, or Dynamic Random Access Memory, is a type of volatile computer memory that stores data in a digital format. It is commonly used in personal computers, laptops, mobile devices, and other digital devices.

DRAM stores digital data as a charge on a capacitor. Each capacitor in DRAM represents one bit of data, and the state of the capacitor is refreshed periodically to maintain its charge. The refreshing process is necessary because the charge on the capacitor leaks over time, leading to data loss. The refreshing process is managed by a control circuitry that is integrated into the DRAM module.

DRAM is an important component of modern computer systems because it provides fast access to data for the processor. DRAM access times are measured in nanoseconds, which is much faster than access times for secondary storage devices like hard drives or solid-state drives. DRAM is also cheaper and more energy-efficient than other types of computer memory.

There are different types of DRAM, including SDRAM (Synchronous DRAM), DDR SDRAM (Double Data Rate Synchronous DRAM), and GDDR SDRAM (Graphics Double Data Rate Synchronous DRAM). These different types of DRAM have different characteristics, such as speed, capacity, and power consumption, and are used in different types of computer systems.

One of the disadvantages of DRAM is that it is volatile, which means that it loses data when the power is turned off. To prevent data loss, DRAM is typically used in conjunction with non-volatile storage devices like hard drives or solid-state drives, which can store data even when the power is turned off.