參數(shù)資料
型號(hào): IDT72T1845L4-4BB
廠商: INTEGRATED DEVICE TECHNOLOGY INC
元件分類: DRAM
英文描述: 2.5 VOLT HIGH-SPEED TeraSync FIFO 18-BIT/9-BIT CONFIGURATIONS
中文描述: 2K X 18 OTHER FIFO, 3.4 ns, PBGA144
封裝: 13 X 13 MM, 1 MM PITCH, PLASTIC, BGA-144
文件頁數(shù): 47/55頁
文件大?。?/td> 540K
代理商: IDT72T1845L4-4BB
47
COMMERCIAL AND INDUSTRIAL
TEMPERATURE RANGES
IDT72T1845/55/65/75/85/95/105/115/125 2.5V TeraSync 18-BIT/9-BIT FIFO
2Kx18/4Kx9, 4Kx18/
8Kx9, 8Kx18/16Kx9, 16Kx18/32Kx9, 32Kx18/64Kx9, 64Kx18/128Kx9, 128Kx18/256Kx9, 256Kx18/512Kx9, 512Kx18/1Mx9
NOTES:
1. In IDT Standard mode: D = maximumFIFO depth. If x18 Input or x18 Output bus Width is selected, D = 2,048 for the IDT72T1845, 4,096 for the IDT72T1855, 8,192 for the IDT72T1865,
16,384 for the IDT72T1875, 32,768 for the IDT72T1885, 65,536 for the IDT72T1895, 131,072 for the IDT72T18105, 262,144 for the IDT72T18115 and 524,288 for the IDT72T18125.
If both x9 Input and x9 Output bus Widths are selected, D = 4,096 for the IDT72T1845, 8,192 for the IDT72T1855, 16,384 for the IDT72T1865, 32,768 for the IDT72T1875, 65,536
for the IDT72T1885, 131,072 for the IDT72T1895, 262,144 for the IDT72T18105, 524,288 for the IDT72T18115 and 1,048,576 for the IDT72T18125.
2. In FWFT mode: D = maximumFIFO depth. If x18 Input or x18 Output bus Width is selected, D = 2,049 for the IDT72T1845, 4,097 for the IDT72T1855, 8,193 for the IDT72T1865,
16,385 for the IDT72T1875, 32,769 for the IDT72T1885, 65,537 for the IDT72T1895, 131,073 for the IDT72T18105, 262,145 for the IDT72T18115 and 524,289 for the IDT72T18125.
If both x9 Input and x9 Output bus Widths are selected, D = 4,097 for the IDT72T1845, 8,193 for the IDT72T1855, 16,385 for the IDT72T1865, 32,769 for the IDT72T1875, 65,537
for the IDT72T1885, 131,073 for the IDT72T1895, 262,145 for the IDT72T18105, 524,289 for the IDT72T18115 and 1,048,577 for the IDT72T18125.
3.
RCS
= LOW.
Figure 27. Half-Full Flag Timing (IDT Standard and FWFT Modes)
WCLK
t
ENS
t
ENH
WEN
HF
t
ENS
t
HF
RCLK
t
HF
REN
5909 drw31
t
CLKL
t
CLKH
D/2 words in FIFO
(1)
,
[
+ 1
]
words in FIFO
(2)
D/2 + 1 words in FIFO
(1)
,
[
+ 2
]
words in FIFO
(2)
D/2 words in FIFO
(1)
,
[
+ 1
]
words in FIFO
(2)
相關(guān)PDF資料
PDF描述
IDT72T1865L4-4BB 2.5 VOLT HIGH-SPEED TeraSync FIFO 18-BIT/9-BIT CONFIGURATIONS
IDT72T1875L4-4BB 2.5 VOLT HIGH-SPEED TeraSync FIFO 18-BIT/9-BIT CONFIGURATIONS
IDT72T1885L4-4BB 2.5 VOLT HIGH-SPEED TeraSync FIFO 18-BIT/9-BIT CONFIGURATIONS
IDT72T1895L4-4BB 2.5 VOLT HIGH-SPEED TeraSync FIFO 18-BIT/9-BIT CONFIGURATIONS
IDT72T18105L4-4BB 2.5 VOLT HIGH-SPEED TeraSync FIFO 18-BIT/9-BIT CONFIGURATIONS
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