參數(shù)資料
型號: IDT72V3640L39268BBGI
廠商: INTEGRATED DEVICE TECHNOLOGY INC
元件分類: FIFO
英文描述: 1K X 36 OTHER FIFO, 5 ns, PBGA144
封裝: 13 X 13 MM, 1 MM PITCH, GREEN, PLASTIC, BGA-144
文件頁數(shù): 27/46頁
文件大?。?/td> 453K
代理商: IDT72V3640L39268BBGI
33
COMMERCIAL AND INDUSTRIAL
TEMPERATURE RANGES
IDT72V3640/50/60/70/80/90 3.3V HIGH DENSITY SUPERSYNC IITM 36-BIT FIFO
1,024 x 36, 2,048 x 36, 4,096 x 36, 8,192 x 36, 16,384 x 36 and 32,768 x 36
NOVEMBER 2, 2005
Figure 15. Serial Loading of Programmable Flag Registers (IDT Standard and FWFT Modes)
NOTE:
1. X = 9 for the IDT72V3640, X = 10 for the IDT72V3650, X = 11 for the IDT72V3660, X = 12 for the IDT72V3670, X = 13 for the IDT72V3680 and X = 14 for the IDT72V3690.
NOTES:
1. If the part is empty at the point of Retransmit, the output ready flag (
OR) will be updated based on RCLK (Retransmit clock cycle), valid data will also appear on the output.
2. No more than D - 2 words may be written to the FIFO between Reset (Master or Partial) and Retransmit setup. Therefore,
IR will be LOW throughout the Retransmit setup procedure.
D = 1,025 for the IDT72V3640, 2,049 for the IDT72V3650, 4,097 for the IDT72V3660, 8,193 for the IDT72V3670, 16,385 for the IDT72V3680 and 32,769 for the IDT72V3690.
3.
OE = LOW.
4. W1, W2, W3 = first, second and third words written to the FIFO after Master Reset.
5. There must be at least two words written to the FIFO before a Retransmit operation can be invoked.
6. RM is set LOW during MRS.
Figure 14. Zero Latency Retransmit Timing (FWFT Mode)
WCLK
SEN
SI
4667 drw20
tENH
tENS
tLDS
LD
tDS
BIT 0
EMPTY OFFSET
BIT X
BIT 0
FULL OFFSET
(1)
tENH
BIT X
(1)
tLDH
tDH
tLDH
tRTS
tENH
4667 drw19
tENS
Wx
WCLK
RCLK
REN
RT
OR
PAF
HF
PAE
Q0 - Qn
tSKEW2
12
1
tPAFS
tHF
tPAES
Wx+1
2
W3
WEN
tENS
W2
(4)
4
5
tENH
W4
tA
W5
tA
(4)
3
tA
W1
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