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參數資料
| 型號： | IDT72510 |
| 廠商： | Integrated Device Technology, Inc. |
| 英文描述： | BUS-MATCHING BIDIRECTIONAL FIFO 512 x 18-BIT . 1024 x 9-BIT 1024 x 18-BIT . 2048 x 9-BIT |
| 中文描述： | 總線匹配雙向FIFO的512 × 18位。 1024 × 9位1024 × 18位。 2048 × 9位 |
| 文件頁數： | 1/32頁 |
| 文件大?。?/td> | 440K |
| 代理商： | IDT72510 |
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Integrated Device Technology, Inc.
COMMERCIAL TEMPERATURE RANGE
DECEMBER 1995
1996 Integrated Device Technology, Inc.
For latest information contact IDT's web site at www.idt.com or fax-on-demand at 408-492-8391.
5.31
DSC-2669/-
1
FEATURES:
Two side-by-side FIFO memory arrays for bidirectional
data transfers
512 x 18-Bit – 1024 x 9-Bit (IDT72510)
1024 x 18-Bit – 2048 x 9-Bit (IDT72520)
18-bit data bus on Port A side and 9-bit data bus on Port
B side
Can be configured for 18-to-9-bit, 36-to-9-bit, or 36-to-18-
bit communication
Fast 25ns access time
Fully programmable standard microprocessor interface
Built-in bypass path for direct data transfer between two
ports
Two fixed flags, Empty and Full, for both the A-to-B and
the B-to-A FIFO
Two programmable flags, Almost-Empty and Almost-Full
for each FIFO
Programmable flag offset can be set to any depth in the
FIFO
Any of the eight internal flags can be assigned to four
external flag pins
Flexible reread/rewrite capabilities.
On-chip parity checking and generation
Standard DMA control pins for data exchange with
peripherals
IDT72510 and IDT72520 available in the the 52-pin PLCC
package
DESCRIPTION:
The IDT72510 and IDT72520 are highly integrated first-
in, first-out memories that enhance processor-to-processor
and processor-to-peripheral communications. IDT BiFIFOs
integrate two side-by-side memory arrays for data transfers
in two directions.
The BiFIFOs have two ports, A and B, that both have
standard microprocessor interfaces. All BiFIFO operations
are controlled from the 18-bit wide Port A. The BiFIFOs
incorporate bus matching logic to convert the 18-bit wide
memory data paths to the 9-bit wide Port B data bus. The
BiFIFOs have a bypass path that allows the device con-
nected to Port A to pass messages directly to the Port B
device.
Ten registers are accessible through Port A, a
Command Register, a Status Register, and eight Configuration
Registers.
The IDT BiFIFOs have programmable flags. Each FIFO
memory array has four internal flags, Empty, Almost-Empty,
Almost-Full and Full, for a total of eight internal flags. The
Almost-Empty and Almost-Full flag offsets can be set to any
depth through the Configuration Registers. These eight inter-
nal flags can be assigned to any of four external flag pins
(FLG
A
-FLG
D
) through one Configuration Register.
Port B has parity, reread/rewrite and DMA functions. Par-
ity generation and checking can be done by the BiFIFO on
data passing through Port B. The Reread and Rewrite con-
BUS-MATCHING
BIDIRECTIONAL FIFO
512 x 18-BIT – 1024 x 9-BIT
1024 x 18-BIT – 2048 x 9-BIT
IDT72510
IDT72520
SIMPLIFIED BLOCK DIAGRAM
18-Bit
FIFO
Data
Data
Control
Flags
Control
DMA
Handshake
Interface
Processor
Interface
A
Processor
Interface
B
Programmable
Flag Logic
Port
B
Port
A
Registers
18-Bit
FIFO
Bypass Path
18-bits
9-bits
9-bits
2669 drw 01
The IDT logo is a registered trademark of Integrated Device Techology, Inc.
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相關代理商/技術參數 |
參數描述 |
|---|---|
| IDT72510L35J | 制造商:Integrated Device Technology Inc 功能描述: |
| IDT72605L20J | 功能描述:IC FIFO BI SYNC 256X18 68-PLCC RoHS:否 類別:集成電路 (IC) >> 邏輯 - FIFO 系列:7200 標準包裝:15 系列:74F 功能:異步 存儲容量:256（64 x 4） 數據速率:- 訪問時間:- 電源電壓:4.5 V ~ 5.5 V 工作溫度:0°C ~ 70°C 安裝類型:通孔 封裝/外殼:24-DIP（0.300"，7.62mm） 供應商設備封裝:24-PDIP 包裝:管件 其它名稱:74F433 |
| IDT72605L20J8 | 功能描述:IC FIFO BI SYNC 256X18 68-PLCC RoHS:否 類別:集成電路 (IC) >> 邏輯 - FIFO 系列:7200 標準包裝:90 系列:7200 功能:同步 存儲容量:288K（16K x 18） 數據速率:100MHz 訪問時間:10ns 電源電壓:4.5 V ~ 5.5 V 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:64-LQFP 供應商設備封裝:64-TQFP（14x14） 包裝:托盤 其它名稱:72271LA10PF |
| IDT72605L20PF | 功能描述:IC FIFO BI SYNC 256X18 64-TQFP RoHS:否 類別:集成電路 (IC) >> 邏輯 - FIFO 系列:7200 標準包裝:15 系列:74F 功能:異步 存儲容量:256（64 x 4） 數據速率:- 訪問時間:- 電源電壓:4.5 V ~ 5.5 V 工作溫度:0°C ~ 70°C 安裝類型:通孔 封裝/外殼:24-DIP（0.300"，7.62mm） 供應商設備封裝:24-PDIP 包裝:管件 其它名稱:74F433 |
| IDT72605L20PF8 | 功能描述:IC FIFO BI SYNC 256X18 64-TQFP RoHS:否 類別:集成電路 (IC) >> 邏輯 - FIFO 系列:7200 標準包裝:90 系列:7200 功能:同步 存儲容量:288K（16K x 18） 數據速率:100MHz 訪問時間:10ns 電源電壓:4.5 V ~ 5.5 V 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:64-LQFP 供應商設備封裝:64-TQFP（14x14） 包裝:托盤 其它名稱:72271LA10PF |
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