參數(shù)資料
型號(hào): IDT72T3655L6-7BB
廠商: IDT, Integrated Device Technology Inc
文件頁數(shù): 43/57頁
文件大?。?/td> 0K
描述: IC FIFO 2048X36 6-7NS 208-BGA
標(biāo)準(zhǔn)包裝: 1
系列: 72T
功能: 異步,同步
存儲(chǔ)容量: 72K(2K x 36)
數(shù)據(jù)速率: 66MHz
訪問時(shí)間: 3.8ns
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: 208-BGA
供應(yīng)商設(shè)備封裝: 208-PBGA(17x17)
包裝: 托盤
其它名稱: 72T3655L6-7BB
48
COMMERCIAL AND INDUSTRIAL
TEMPERATURE RANGES
IDT72T3645/55/65/75/85/95/105/115/125 2.5V TeraSync
36-BIT FIFO
1K x 36, 2K x 36, 4K x 36, 8K x 36, 16K x 36, 32K x 36, 64K x 36, 128K x 36 and 256K x 36
FEBRUARY 4, 2009
NOTES:
1. m =
PAF offset.
2. D = maximum FIFO Depth.
In IDT Standard Mode: D=1,024 for the IDT72T3645, 2,048 for the IDT72T3655, 4,096 for the IDT72T3665, 8,192 for the IDT72T3675, 16,384 for the IDT72T3685, 32,768 for the
IDT72T3695, 65,536 for the IDT72T36105, 131,072 for the IDT72T36115 and 262,144 for the IDT72T36125.
In FWFT Mode: D=1,025 for the IDT72T3645, 2,049 for the IDT72T3655, 4,097 for the IDT72T3665, 8,193 for the IDT72T3675, 16,385 for the IDT72T3685, 32,769 for the IDT72T3695,
65,537 for the IDT72T36105, 131,073 for the IDT72T36115 and 262,145 for the IDT72T36125.
3.
PAF is asserted to LOW on WCLK transition and reset to HIGH on RCLK transition.
4. Select this mode by setting PFM LOW during Master Reset.
5.
RCS = LOW.
Figure 25. Asynchronous Programmable Almost-Full Flag Timing (IDT Standard and FWFT Modes)
WCLK
WEN
PAF
D - (m + 1) words
in FIFO
RCLK
tPAFA
REN
5907 drw30
D - m words
in FIFO
D - (m + 1) words in FIFO
tENS
tPAFA
tENH
tENS
tCLKL
tCLKH
NOTES:
1. n =
PAE offset.
2. For IDT Standard Mode.
3. For FWFT Mode.
4.
PAE is asserted LOW on RCLK transition and reset to HIGH on WCLK transition.
5. Select this mode by setting PFM LOW during Master Reset.
6.
RCS = LOW.
Figure 26. Asynchronous Programmable Almost-Empty Flag Timing (IDT Standard and FWFT Modes)
WCLK
WEN
PAE
n words in FIFO(2),
n + 1 words in FIFO(3)
RCLK
REN
5907 drw31
tPAEA
n + 1 words in FIFO(2),
n + 2 words in FIFO(3)
tPAEA
tENS
tENH
tCLKL
tCLKH
n words in FIFO(2),
n + 1 words in FIFO(3)
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