參數資料
型號: IDT72T36125L5BBI
廠商: INTEGRATED DEVICE TECHNOLOGY INC
元件分類: DRAM
英文描述: 2.5 VOLT HIGH-SPEED TeraSyncTM FIFO 36-BIT CONFIGURATIONS
中文描述: 256K X 36 OTHER FIFO, 3.6 ns, PBGA240
封裝: 19 X 19 MM, 1 MM PITCH, PLASTIC, BGA-240
文件頁數: 48/57頁
文件大?。?/td> 556K
代理商: IDT72T36125L5BBI
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
NOTES:
1. m=
PAF
offset.
2. D = maximumFIFO 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 PFMLOW 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
t
PAFA
REN
5907 drw30
D - m words
in FIFO
D - (m + 1) words in FIFO
t
ENS
t
PAFA
t
ENH
t
ENS
t
CLKL
t
CLKH
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 PFMLOW 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
t
PAEA
n + 1 words in FIFO
(2)
,
n + 2 words in FIFO
(3)
t
PAEA
t
ENS
t
ENS
t
ENH
t
CLKL
t
CLKH
n words in FIFO
(2)
,
n + 1 words in FIFO
(3)
相關PDF資料
PDF描述
IDT72T36125L6BBI 2.5 VOLT HIGH-SPEED TeraSyncTM FIFO 36-BIT CONFIGURATIONS
IDT72T51253L6BBI 2.5V MULTI-QUEUE FLOW-CONTROL DEVICES (32 QUEUES) 36 BIT WIDE CONFIGURATION 1,179,648 bits and 2,359,296 bits
IDT72T51253L5BBI 2.5V MULTI-QUEUE FLOW-CONTROL DEVICES (32 QUEUES) 36 BIT WIDE CONFIGURATION 1,179,648 bits and 2,359,296 bits
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IDT72T51233 2.5V MULTI-QUEUE FLOW-CONTROL DEVICES (32 QUEUES) 36 BIT WIDE CONFIGURATION 1,179,648 bits and 2,359,296 bits
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