參數(shù)資料
型號(hào): 72V805L15PFI9
廠商: INTEGRATED DEVICE TECHNOLOGY INC
元件分類: FIFO
英文描述: 256 X 18 BI-DIRECTIONAL FIFO, 10 ns, PQFP128
封裝: TQFP-128
文件頁(yè)數(shù): 6/26頁(yè)
文件大?。?/td> 325K
代理商: 72V805L15PFI9
14
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
WCLK
D0 - D17
WEN
RCLK
EF
Q0 - Q17
OE
tDS
tENS
tA
tSKEW1
DATA WRITE 1
DATA READ
tENH
tREF
tDS
tENS
DATA WRITE 2
tENH
tREF
REN
DATA IN OUTPUT REGISTER
tFRL
(1)
LOW
4295 drw 10
tREF
tSKEW1
tFRL
(1)
NOTES:
1. When tSKEW1 minimum specification, tFRL (maximum) = tCLK + tSKEW1. When tSKEW1 < minimum specification, tFRL (maximum) = either 2 * tCLK + tSKEW1, or tCLK + tSKEW1. The
Latency Timing apply only at the Empty Boundary (
EF = LOW).
2. Select this mode by setting (
FL, RXI, WXI) = (0,0,0), (0,1,1), (1,0,0) or (1,1,1) during Reset.
NOTES:
1. tSKEW1 is the minimum time between a rising RCLK edge and a rising WCLK edge to guarantee that
FF will 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 tSKEW1, then
FF may not change state until the next WCLK edge.
2. Select this mode by setting (
FL, RXI, WXI) = (0,0,0), (0,1,1), (1,0,0) or (1,1,1) during Reset.
DATA READ
WCLK
D0 - D17
WEN
RCLK
FF
Q0 - Q17
t A
t WFF
DATA WRITE
REN
t WFF
t ENH
t ENS
t DS
t WFF
t DS
DATA
WRITE
NEXT DATA READ
t A
NO WRITE
DATA IN OUTPUT REGISTER
OE
LOW
tSKEW1
(1)
tSKEW1(1)
t ENH
t ENS
4295 drw 09
Figure 9. Single Register-Buffered Full Flag Timing (IDT Standard Mode)
Figure 10. Single Register-Buffered Empty Flag Timing (IDT Standard Mode)
相關(guān)PDF資料
PDF描述
72V805L15PF8 256 X 18 BI-DIRECTIONAL FIFO, 10 ns, PQFP128
7305-0-15-15-47-14-04-0 BRASS, GOLD FINISH, PCB TERMINAL
7305-0-15-15-47-01-04-0 BRASS, GOLD FINISH, PCB TERMINAL
7305-0-15-01-47-27-04-0 BRASS, TIN FINISH, PCB TERMINAL
7305-0-15-01-47-14-04-0 BRASS, TIN FINISH, PCB TERMINAL
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