FIFO Memory

FIFO memory are integrated circuits (ICs) that buffers and stores data. All memory chips have input and outputs. FIFO chips store this data in a memory stack with a "First-In First-Out" style. This means that the data that is stored first is removed first. FIFO depth is the term given to the amount of memory that can be stored.


FIFO memory is used for buffering applications or when data needs to be stored temporarily. This is ideal for high speed communications which could lose data.


FIFO inputs and outputs can be unidirectional or bidirectional. This will depend on the device. They can also feature programmable flags.


Things to consider when choosing FIFO memory:


  • Density

  • Memory Size

  • Bits per word

  • Supply voltage

  • Operating temperature

  • Package Type

  • Mounting Type

FIFO memory chips come in a standard semiconductor package, such as an LQFP, PLCC or SOIC.


Where is FIFO used?


  • Cameras

  • Multimedia

  • TVs

  • Computers

  • Disk Controllers

  • Communications

  • Networking

What is synchronous FIFO?


A synchronous FIFO is where the reading and writing function is carried out by the same clock. Therefore an asynchronous FIFO uses different clocks for reading and writing.

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Description Price Memory Size Organisation Data Bus Width Bus Directional Access Time Configuration Clock Frequency Mounting Type Package Type Pin Count Expansion Support Dimensions Length Width
RS庫存編號 170-9069
製造零件編號FT245RQ
BrandFTDI Chip
TWD75.20
個 (在毎卷:6000)
單位
- - - Bi-Directional - Single 12MHz Surface Mount QFN 32 - 5 x 5 x 0.9mm 5mm 5mm
RS庫存編號 170-2093
製造零件編號IDT7204L12SOG
BrandIDT
TWD481.00
毎管:26 個
單位
36kbit 4K x 9 bit 9bit Bi-Directional - Dual - Surface Mount SOIC 28 Yes 17.9 x 8.4 x 2.62mm 17.9mm 8.4mm
RS庫存編號 714-4918
製造零件編號IDT7204L12SOG
BrandIDT
TWD575.00
單位
36kbit 4K x 9 bit 9bit Bi-Directional - Dual - Surface Mount SOIC 28 Yes 17.9 x 8.4 x 2.62mm 17.9mm 8.4mm
RS庫存編號 170-2082
製造零件編號IDT7200L15SOGI
BrandIDT
TWD309.00
毎管:26 個
單位
2kbit 256 x 9 bit 9bit Bi-Directional - Dual - Surface Mount SOIC 28 Yes 17.9 x 8.4 x 2.62mm 17.9mm 8.4mm
RS庫存編號 714-4911
製造零件編號IDT7203L12TPG
BrandIDT
TWD419.00
單位
18kbit 2K x 9 bit 9bit Bi-Directional - Dual - Through Hole PDIP 28 Yes 34.3 x 7.62 x 3.3mm 34.3mm 7.62mm
RS庫存編號 714-4867
製造零件編號IDT7200L15SOGI
BrandIDT
TWD341.00
單位
2kbit 256 x 9 bit 9bit Bi-Directional - Dual - Surface Mount SOIC 28 Yes 17.9 x 8.4 x 2.62mm 17.9mm 8.4mm
RS庫存編號 714-4946
製造零件編號IDT72V04L25JGI
BrandIDT
TWD530.00
單位
36kbit 4K x 9 bit 9bit Bi-Directional - Dual - Surface Mount PLCC 32 Yes 13.97 x 11.43 x 2.79mm 13.97mm 11.43mm
RS庫存編號 714-4927
製造零件編號IDT7204L15SOGI
BrandIDT
TWD544.00
單位
36kbit 4K x 9 bit 9bit Bi-Directional - Dual - Surface Mount SOIC 28 Yes 17.9 x 8.4 x 2.62mm 17.9mm 8.4mm
全新
RS庫存編號 217-3696
製造零件編號7201LA15JGI
TWD263.40
毎管:32 個
單位
4.6Mbit 512K x 9 9bit Bi-Directional 15 ns Single - - PLCC 32 - - - -
RS庫存編號 162-7076
製造零件編號SN74V293-6PZA
TWD1,253.90
Each (In a Tray of 90)
單位
1125kbit 64K x 18 bit, 128K x 9 bit 9/18bit Uni-Directional 2 ns Dual 166MHz Surface Mount LQFP 80 Yes 14 x 14 x 1.4mm 14mm 14mm
RS庫存編號 687-7727
製造零件編號FT245BL
BrandFTDI Chip
TWD195.00
單位
- - 8bit Bi-Directional - Single - Surface Mount LQFP 32 - 7 x 7 x 1.4mm 7mm 7mm
RS庫存編號 170-2084
製造零件編號IDT7201LA12PDG
BrandIDT
TWD262.80
毎管:13 個
單位
4kbit 512 x 9 bit 9bit Bi-Directional - Dual - Through Hole PDIP 28 Yes 36.6 x 15.24 x 3.8mm 36.6mm 15.24mm
RS庫存編號 170-2097
製造零件編號IDT7206L15JG
BrandIDT
TWD914.20
毎管:32 個
單位
144kbit 16K x 9 bit 9bit Bi-Directional - Dual - Surface Mount PLCC 32 Yes 13.97 x 11.43 x 2.79mm 13.97mm 11.43mm
RS庫存編號 170-9071
製造零件編號FT245BL
BrandFTDI Chip
TWD111.90
個 (在毎卷:1000)
單位
- - 8bit Bi-Directional - Single - Surface Mount LQFP 32 - 7 x 7 x 1.4mm 7mm 7mm
RS庫存編號 170-2095
製造零件編號IDT7204L12JG
BrandIDT
TWD545.80
毎管:32 個
單位
36kbit 4K x 9 bit 9bit Bi-Directional - Dual - Surface Mount PLCC 32 Yes 13.97 x 11.43 x 2.79mm 13.97mm 11.43mm
全新
RS庫存編號 217-3698
製造零件編號7208L20JG
TWD1,952.50
毎管:32 個
單位
576kbit 64K x 9 9bit Bi-Directional 20 ns Single - - PLCC 32 - - - -
RS庫存編號 170-2085
製造零件編號IDT7201LA12TPG
BrandIDT
TWD236.90
毎管:14 個
單位
4kbit 512 x 9 bit 9bit Bi-Directional - Dual - Through Hole PDIP 28 Yes 36.6 x 15.24 x 3.8mm 36.6mm 15.24mm
全新
RS庫存編號 217-7894
製造零件編號72V02L15JG
TWD327.70
毎管:32 個
單位
- 1024 x 9 9bit Uni-Directional 15 ns Single 40MHz - PLCC 32 - - - -
RS庫存編號 170-2098
製造零件編號IDT72V04L25JGI
BrandIDT
TWD423.20
毎管:27 個
單位
36kbit 4K x 9 bit 9bit Bi-Directional - Dual - Surface Mount PLCC 32 Yes 13.97 x 11.43 x 2.79mm 13.97mm 11.43mm
RS庫存編號 662-5374
製造零件編號SN74V293-6PZA
TWD1,455.00
單位
1125kbit 64K x 18 bit, 128K x 9 bit 9/18bit Uni-Directional 2 ns Dual 166MHz Surface Mount LQFP 80 Yes 14 x 14 x 1.4mm 14mm 14mm