72V283L7-5BCI IDT, 72V283L7-5BCI Datasheet - Page 26
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72V283L7-5BCI
Manufacturer Part Number
72V283L7-5BCI
Description
FIFO
Manufacturer
IDT
Datasheet
1.72V273L10PFG.pdf
(45 pages)
Specifications of 72V283L7-5BCI
Part # Aliases
IDT72V283L7-5BCI
NOTES:
1. t
2. LD = HIGH.
3. First data word latency: t
NOTES:
1. t
2. LD = HIGH, EF = HIGH
IDT72V223/233/243/253/263/273/283/293 3.3V HIGH DENSITY SUPERSYNC II
512 x 18, 1K x 9/18, 2K x 9/18, 4K x 9/18, 8K x 9/18, 16K x 9/18, 32K x 9/18, 64K x 9/18, 128K x 9
D
Q
Q
D
WCLK
WCLK
0
0
RCLK
RCLK
0
of WCLK and the rising edge of RCLK is less than t
of the RCLK and the rising edge of the WCLK is less than t
0
WEN
SKEW1
WEN
SKEW1
REN
REN
- Q
- D
- Q
- D
OE
FF
EF
n
n
n
n
is the minimum time between a rising WCLK edge and a rising RCLK edge to guarantee that EF will go HIGH (after one RCLK cycle plus t
is the minimum time between a rising RCLK edge and a rising WCLK edge to guarantee that FF will go high (after one WCLK cycle pus t
t
ENS
DATA IN OUTPUT REGISTER
t
ENS
t
SKEW1
t
SKEW1
t
OLZ
ENH
t
Figure 8. Read Cycle, Empty Flag and First Data Word Latency Timing (IDT Standard Mode)
REF
t
A
(1)
t
OE
+ 1*T
RCLK
t
t
SKEW1
ENH
t
ENS
t
t
DS
A
+ t
D
1
(1)
REF
0
NO WRITE
Figure 7. Write Cycle and Full Flag Timing (IDT Standard Mode)
NO OPERATION
.
t
t
DHS
ENH
SKEW1
LAST WORD
1
, then EF deassertion may be delayed one extra RCLK cycle.
SKEW1
2
t
, then the FF deassertion may be delayed one extra WCLK cycle.
WFF
t
t
DS
OHZ
t
t
DS
ENS
D
DX
1
NO OPERATION
t
CLKH
t
WFF
t
t
ENH
DH
DATA READ
26
t
t
DH
CLK
2
TM
t
CLKL
t
CLKH
t
t
NARROW BUS FIFO
REF
ENS
t
OLZ
t
SKEW1
t
CLK
(1)
t
CLKL
t
ENS
t
ENH
LAST WORD
t
A
1
NO WRITE
t
ENH
t
A
COMMERCIAL AND INDUSTRIAL
WFF
REF
2
t
WFF
). If the time between the rising edge
). If the time between the rising edge
TEMPERATURE RANGES
t
FEBRUARY 11, 2009
ENS
t
DS
NEXT DATA READ
D
0
DX+1
t
WFF
t
REF
t
t
ENH
A
4666 drw10
t
DH
4666 drw11
D
1