参数资料
型号: 72841L10PF
厂商: INTEGRATED DEVICE TECHNOLOGY INC
元件分类: FIFO
英文描述: 4K X 9 BI-DIRECTIONAL FIFO, 6.5 ns, PQFP64
封装: TQFP-64
文件页数: 7/16页
文件大小: 211K
代理商: 72841L10PF
15
IDT72801/728211/72821/72831/72841/72851 DUAL CMOS SyncFIFOTM
DUAL 256 x 9, DUAL 512 x 9, DUAL 1K x 9, DUAL 2K x 9, DUAL 4K x 9, DUAL 8K x 9
COMMERCIAL AND INDUSTRIAL
TEMPERATURERANGES
data according to type, sending one kind to FIFO A and the other kind to FIFO
B. Then, at the outputs, each data type is transferred to its appropriate
destination. Additional IDT72801/72811/72821/72831/72841/72851s permit
more than two priority levels. Priority buffering is particularly useful in network
applications.
TWO PRIORITY DATA BUFFER
CONFIGURATION
The two FIFOs contained in the IDT72801/72811/72821/72831/72841/
72851 can be used to prioritize two different types of data shared on a system
bus. When writing from the bus to the FIFO, control logic sorts the intermixed
Figure 16. Block Diagram of Two Priority Configuration
BIDIRECTIONAL CONFIGURATION
The two FIFOs of the IDT72801/72811/72821/72831/72841/72851 can
be used to buffer data flow in two directions. In the example that follows, a
processor can write data to a peripheral controller via FIFO A, and, in turn,
the peripheral controller can write the processor via FIFO B.
Figure 17. Block Diagram of Bidirectional Configuration
RAM ARRAY A
Processor
Data
DA0-DA8
QA0-QA8
OEA
RENA
Address
IDT
72801
72811
72821
72831
72841
72851
DB0-DB8
QB0-QB8
OEB2
WENB1
Control
Logic
RAM
9-bit
bus
RCLKA
WCLKB
Control
9
WCLKA
WENA1
RAM ARRAY B
RENB1
Clock
RCLKB
WENB2
RENB2
WENA2
RENA2
VCC
9
Voice Processing
Card
Data
I/O Data
Clock
Control
Logic
Address
Control
Image Processing
Card
Data
I/O Data
Clock
Control
Logic
Address
Control
3034 drw 17
RAM ARRAY A
Processor
Peripheral
Controller
Data
DA0-DA8
QA0-QA8
Data
OEA
RENA1
Address
I/O Data
IDT
72801
72811
72821
72831
72841
72851
DB0-DB8
QB0-QB8
OEB
WENB1
RAM
9-bit
bus
9-bit
bus
RCLKA
WCLKB
Control
9
WCLKA
WENA1
RAM ARRAY B
RENB1
Clock
RCLKB
DMA Clock
Control
Logic
Address
Control
9
WENB2
RENB2
WENA2 RENA2
VCC
3034 drw 18
Control
Logic
相关PDF资料
PDF描述
72821L15TF8 1K X 9 BI-DIRECTIONAL FIFO, 10 ns, PQFP64
72R99-P 25 A, BARRIER STRIP TERMINAL BLOCK, 1 ROW, 1 DECK
72R99-M 25 A, BARRIER STRIP TERMINAL BLOCK, 1 ROW, 1 DECK
72R99-59 25 A, BARRIER STRIP TERMINAL BLOCK, 1 ROW, 1 DECK
72R99-49 25 A, BARRIER STRIP TERMINAL BLOCK, 1 ROW, 1 DECK
相关代理商/技术参数
参数描述
72841L10PF8 功能描述:先进先出 RoHS:否 制造商:IDT 电路数量: 数据总线宽度:18 bit 总线定向:Unidirectional 存储容量:4 Mbit 定时类型:Synchronous 组织:256 K x 18 最大时钟频率:100 MHz 访问时间:10 ns 电源电压-最大:3.6 V 电源电压-最小:6 V 最大工作电流:35 mA 最大工作温度:+ 85 C 封装 / 箱体:TQFP-80 封装:
72841L10PFG 功能描述:先进先出 RoHS:否 制造商:IDT 电路数量: 数据总线宽度:18 bit 总线定向:Unidirectional 存储容量:4 Mbit 定时类型:Synchronous 组织:256 K x 18 最大时钟频率:100 MHz 访问时间:10 ns 电源电压-最大:3.6 V 电源电压-最小:6 V 最大工作电流:35 mA 最大工作温度:+ 85 C 封装 / 箱体:TQFP-80 封装:
72841L10PFG8 制造商:Integrated Device Technology Inc 功能描述:FIFO Mem Sync Quad Depth/Width Bi-Dir 4K x 9 x 2 64-Pin TQFP T/R 制造商:Integrated Device Technology Inc 功能描述:FIFO SYNC QUAD DEPTH/WIDTH BI-DIR 4KX9X2 64TQFP - Tape and Reel
72841L10TF 功能描述:先进先出 RoHS:否 制造商:IDT 电路数量: 数据总线宽度:18 bit 总线定向:Unidirectional 存储容量:4 Mbit 定时类型:Synchronous 组织:256 K x 18 最大时钟频率:100 MHz 访问时间:10 ns 电源电压-最大:3.6 V 电源电压-最小:6 V 最大工作电流:35 mA 最大工作温度:+ 85 C 封装 / 箱体:TQFP-80 封装:
72841L10TF8 制造商:Integrated Device Technology Inc 功能描述:FIFO Mem Sync Quad Depth/Width Bi-Dir 4K x 9 x 2 64-Pin STQFP T/R 制造商:Integrated Device Technology Inc 功能描述:FIFO SYNC QUAD DEPTH/WIDTH BI-DIR 4KX9X2 64TQFP - Tape and Reel