參數(shù)資料
型號(hào): IDT72T36135ML5BB
廠商: IDT, Integrated Device Technology Inc
文件頁(yè)數(shù): 36/48頁(yè)
文件大?。?/td> 0K
描述: IC FIFO 1MX18 5NS 240BGA
標(biāo)準(zhǔn)包裝: 1
系列: 72T
功能: 異步,同步
存儲(chǔ)容量: 18M(1M x 18)
訪問(wèn)時(shí)間: 5ns
電源電壓: 2.375 V ~ 2.625 V
工作溫度: 0°C ~ 70°C
安裝類型: 表面貼裝
封裝/外殼: 240-BGA
供應(yīng)商設(shè)備封裝: 240-PBGA(19x19)
包裝: 托盤
其它名稱: 72T36135ML5BB
COMMERCIAL AND INDUSTRIAL
TEMPERATURE RANGES
IDT72T36135M 2.5V 18M-BIT TeraSync
36-BIT FIFO
524,288 x 36
41
FEBRUARY 04, 2009
NOTES:
1. m =
PAF[1:2] offset.
2. D = maximum FIFO depth.
In IDT Standard mode: D = 524,288 for the IDT72T36135M.
In FWFT mode: D = 524,289 for the IDT72T36135M.
3. tSKEW2 is the minimum time between a rising RCLK edge and a rising WCLK edge to guarantee that
PAF[1:2] will go HIGH (after one WCLK cycle plus tPAFS). If the time between
the rising edge of RCLK and the rising edge of WCLK is less than tSKEW2, then the
PAF[1:2] deassertion time may be delayed one extra WCLK cycle.
4.
PAF[1:2] is asserted and updated on the rising edge of WCLK only.
5. Select this mode by setting PFM HIGH during Master Reset.
Figure 22. Synchronous Programmable Almost-Full Flag Timing (IDT Standard and FWFT Modes)
WCLK
WEN
PAF
[1:2]
RCLK
REN
6723 drw29
1
2
12
D-(m+1) words
in FIFO
(2)
D - m words in FIFO
(2)
D - (m +1) words in FIFO
(2)
tENH
tENS
tPAFS
tENS
tENH
tCLKL
tSKEW2
(3)
tPAFS
NOTES:
1. n =
PAE[1:2] offset.
2. For IDT Standard mode
3. For FWFT mode.
4. tSKEW2 is the minimum time between a rising WCLK edge and a rising RCLK edge to guarantee that
PAE[1:2] will go HIGH (after one RCLK cycle plus tPAES). If the time between
the rising edge of WCLK and the rising edge of RCLK is less than tSKEW2, then the
PAE[1:2] deassertion may be delayed one extra RCLK cycle.
5.
PAE[1:2] is asserted and updated on the rising edge of WCLK only.
6. Select this mode by setting PFM HIGH during Master Reset.
7.
RCS = LOW.
Figure 23. Synchronous Programmable Almost-Empty Flag Timing (IDT Standard and FWFT Modes)
WCLK
WEN
PAE
[1:2]
RCLK
12
REN
6723 drw30
n + 1 words in FIFO
(2)
,
n + 2 words in FIFO
(3)
tENS
tSKEW2
(4)
tENH
tPAES
n words in FIFO
(2)
,
n + 1 words in FIFO
(3)
tPAES
n words in FIFO
(2)
,
n + 1 words in FIFO
(3)
tENS
tENH
tCLKH
tCLKL
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