參數(shù)資料
型號(hào)： 72V805L15PFI9
廠商： INTEGRATED DEVICE TECHNOLOGY INC
元件分類： FIFO
英文描述： 256 X 18 BI-DIRECTIONAL FIFO, 10 ns, PQFP128
封裝： TQFP-128
文件頁(yè)數(shù)： 3/26頁(yè)
文件大?。?/td> 325K
代理商： 72V805L15PFI9
IDT72V805/72V815/72V825/72V835/72V845
3.3 V CMOS DUAL SyncFIFO 256 x 18, 512 x 18, 1,024 x 18, 4,096 x 18
COMMERCIAL AND INDUSTRIAL
TEMPERATURE RANGES
11
WRITE EXPANSION OUT/HALF-FULL FLAG
(
WXOA/HFA, WXOB/HFB)
This is a dual-purpose output. In the Single Device and Width Expansion
mode, when Write Expansion In (
WXIA/WXIB) and/or Read Expansion In
(
RXIA/RXIB) are grounded, this output acts as an indication of a half-full
memory.
After half of the memory is filled, and at the LOW-to-HIGH transition of
the next write cycle, the Half-Full flag goes LOW and will remain set until
the difference between the write pointer and read pointer is less than or
equal to one half of the total memory of the device. The Half-Full flag (
HFA/
HFB) is then reset to HIGH by the LOW-to-HIGH transition of the Read
Clock (RCLK). The
HF is asynchronous.
In the Daisy Chain Depth Expansion mode,
WXI is connected to WXO
of the previous device. This output acts as a signal to the next device in
the Daisy Chain by providing a pulse when the previous device writes to
the last location of memory.
READ EXPANSION OUT (
RXOA/RXOB)
In the Daisy Chain Depth Expansion configuration, Read Expansion In
(
RXIA/RXIB) is connected to Read Expansion Out (RXOA/RXOB) of the
previous device. This output acts as a signal to the next device in the Daisy
Chain by providing a pulse when the previous device reads from the last
location of memory.
DATA OUTPUTS (Q0-Q17, QB0-QB17)
Q0-Q17 are data outputs for 18-bit wide data.
相關(guān)PDF資料
PDF描述
72V805L15PF8 256 X 18 BI-DIRECTIONAL FIFO, 10 ns, PQFP128
7305-0-15-15-47-14-04-0 BRASS, GOLD FINISH, PCB TERMINAL
7305-0-15-15-47-01-04-0 BRASS, GOLD FINISH, PCB TERMINAL
7305-0-15-01-47-27-04-0 BRASS, TIN FINISH, PCB TERMINAL
7305-0-15-01-47-14-04-0 BRASS, TIN FINISH, PCB TERMINAL
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
72V805L20PF 功能描述:先進(jìn)先出 RoHS:否 制造商:IDT 電路數(shù)量: 數(shù)據(jù)總線寬度:18 bit 總線定向:Unidirectional 存儲(chǔ)容量:4 Mbit 定時(shí)類型:Synchronous 組織:256 K x 18 最大時(shí)鐘頻率:100 MHz 訪問(wèn)時(shí)間:10 ns 電源電壓-最大:3.6 V 電源電壓-最小:6 V 最大工作電流:35 mA 最大工作溫度:+ 85 C 封裝 / 箱體:TQFP-80 封裝:
72V805L20PF8 制造商:Integrated Device Technology Inc 功能描述:FIFO Mem Sync Quad Depth/Width Bi-Dir 256 x 18 x 2 128-Pin TQFP T/R 制造商:Integrated Device Technology Inc 功能描述:FIFO SYNC QUAD DEPTH/WIDTH BI-DIR 256 X 18 X 2 128TQFP - Tape and Reel
72V811L10PF 功能描述:先進(jìn)先出 RoHS:否 制造商:IDT 電路數(shù)量: 數(shù)據(jù)總線寬度:18 bit 總線定向:Unidirectional 存儲(chǔ)容量:4 Mbit 定時(shí)類型:Synchronous 組織:256 K x 18 最大時(shí)鐘頻率:100 MHz 訪問(wèn)時(shí)間:10 ns 電源電壓-最大:3.6 V 電源電壓-最小:6 V 最大工作電流:35 mA 最大工作溫度:+ 85 C 封裝 / 箱體:TQFP-80 封裝:
72V811L10PF8 功能描述:先進(jìn)先出 RoHS:否 制造商:IDT 電路數(shù)量: 數(shù)據(jù)總線寬度:18 bit 總線定向:Unidirectional 存儲(chǔ)容量:4 Mbit 定時(shí)類型:Synchronous 組織:256 K x 18 最大時(shí)鐘頻率:100 MHz 訪問(wèn)時(shí)間:10 ns 電源電壓-最大:3.6 V 電源電壓-最小:6 V 最大工作電流:35 mA 最大工作溫度:+ 85 C 封裝 / 箱體:TQFP-80 封裝:
72V811L10PF9 制造商:Integrated Device Technology Inc 功能描述:FIFO Mem Sync Quad Depth/Width Bi-Dir 512 x 9 x 2 64-Pin TQFP
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