參數(shù)資料
型號(hào)： IDT72V845L10PF8
廠商： IDT, Integrated Device Technology Inc
文件頁(yè)數(shù)： 13/26頁(yè)
文件大小： 0K
描述： IC FIFO SYNC 4096X18 128QFP
標(biāo)準(zhǔn)包裝： 1,000
系列： 72V
功能： 異步，同步
存儲(chǔ)容量： 72K（4K x 18）
數(shù)據(jù)速率： 100MHz
訪問時(shí)間： 10ns
電源電壓： 3 V ~ 3.6 V
工作溫度： 0°C ~ 70°C
安裝類型： 表面貼裝
封裝/外殼： 128-LQFP
供應(yīng)商設(shè)備封裝： 128-TQFP（14x20）
包裝： 帶卷 (TR)
其它名稱： 72V845L10PF8
20
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
FEBRUARY 11, 2009
WCLK
tENH
WEN
PAE
RCLK
REN
4295 drw 22
tENS
tENH
tENS
n + 1 words in FIFO(2),
n + 2 words in FIFO(3)
tSKEW2
tPAES
n Words in FIFO(2),
n + 1 words in FIFO(3)
(4)
tPAES
n words in FIFO(2),
n + 1words in FIFO(3)
tCLKH
tCLKL
WCLK
tENH
WEN
PAF
RCLK
REN
4295 drw 23
tENS
tENH
tENS
D - m Words in FIFO
D -(m+1) Words
in FIFO
tSKEW2(3)
tPAFS
D-(m+1) Words in FIFO
tCLKL
tCLKH
Figure 22. Synchronous Programmable Almost-Empty Flag Timing (IDT Standard and FWFT Modes)
NOTES:
1. n =
PAE 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 for
PAE to go HIGH during the current clock cycle. If the time between the rising edge
of WCLK and the rising edge of RCLK is less than tSKEW2, then the
PAE deassertion may be delayed one extra RCLK cycle.
5.
PAE is asserted and updated on the rising edge of RCLK only.
6. Select this mode by setting (
FL, RXI, WXI) = (1,0,0), (1,0,1), or (1,1,0) during Reset.
NOTES:
1. m =
PAF offset.
2. D = maximum FIFO Depth.
In IDT Standard Mode: D = 256 for the IDT72V805, 512 for the IDT72V815, 1,024 for the IDT72V825, 2,048 for the IDT72V835 and 4,096 for the IDT72V845. In FWFT Mode:
D = 257 for the IDT72V805, 513 for the IDT72V815, 1,025 for the IDT72V825, 2,049 for the IDT72V835 and 4,097 for the IDT72V845.
3. tSKEW2 is the minimum time between a rising RCLK edge and a rising WCLK edge for
PAF to go HIGH during the current clock cycle. If the time between the rising edge of RCLK and
the rising edge of WCLK is less than tSKEW2, then the
PAF deassertion time may be delayed an extra WCLK cycle.
4.
PAF is asserted and updated on the rising edge of WCLK only.
5. Select this mode by setting (
FL, RXI, WXI) = (1,0,0), (1,0,1), or (1,1,0) during Reset.
Figure 23. Synchronous Programmable Almost-Full Flag Timing (IDT Standard and FWFT Modes)
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IDT72V845L15PFGI 制造商:Integrated Device Technology Inc 功能描述:IC FIFO SYNC 4096X18 128QFP
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