IDT72221L25JI IDT, Integrated Device Technology Inc, IDT72221L25JI Datasheet - Page 11
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IDT72221L25JI
Manufacturer Part Number
IDT72221L25JI
Description
IC FIFO SYNC 1KX9 25NS 32PLCC
Manufacturer
IDT, Integrated Device Technology Inc
Series
7200r
Datasheet
1.IDT72211L10JG.pdf
(14 pages)
Specifications of IDT72221L25JI
Function
Synchronous
Memory Size
9K (1K x 9)
Data Rate
40MHz
Access Time
25ns
Voltage - Supply
4.5 V ~ 5.5 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
32-PLCC
Configuration
Dual
Density
9Kb
Access Time (max)
15ns
Word Size
9b
Organization
1Kx9
Sync/async
Synchronous
Expandable
Yes
Bus Direction
Uni-Directional
Package Type
PLCC
Clock Freq (max)
40MHz
Operating Supply Voltage (typ)
5V
Operating Supply Voltage (min)
4.5V
Operating Supply Voltage (max)
5.5V
Supply Current
35mA
Operating Temp Range
-40C to 85C
Operating Temperature Classification
Industrial
Mounting
Surface Mount
Pin Count
32
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Other names
72221L25JI
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
IDT72221L25JI
Manufacturer:
IDT11
Quantity:
662
Company:
Part Number:
IDT72221L25JI
Manufacturer:
IDT, Integrated Device Technology Inc
Quantity:
10 000
Company:
Part Number:
IDT72221L25JI8
Manufacturer:
IDT, Integrated Device Technology Inc
Quantity:
10 000
©
NOTES:
1. n = PAE offset.
2. t
3. If a read is performed on this rising edge of the Read Clock, there will be Empty + (n-1) words in the FIFO when PAE goes LOW.
IDT72421/72201/72211/72221/72231/72241/72251 CMOS SyncFIFO™
64 x 9, 256 x 9, 512 x 9, 1,024 x 9, 2,048 x 9, 4,096 x 9 and 8,192 x 9
(If Applicable)
(If Applicable)
NOTES:
1. m = PAF offset .
2. 64-m words in FIFO for IDT72421, 256-m words for IDT72201, 512-m words for IDT72211, 1,024-m words for IDT72221, 2,048-m words for IDT72231, 4,096-m words for IDT72241,
3. t
4. If a write is performed on this rising edge of the Write Clock, there will be Full - (m-1) words in the FIFO when PAF goes LOW.
the rising edge of RCLK is less than t
SKEW2
and 8,192-m words for IDT72251.
the rising edge of WCLK is less than t
SKEW2
WEN2
WCLK
WEN2
WEN1
WCLK
RCLK
REN1,
REN2
WEN1
RCLK
REN2
REN1,
is the minimum time between a rising WCLK edge and a rising RCLK edge for PAE to change during that clock cycle. If the time between the rising edge of WCLK and
PAE
is the minimum time between a rising RCLK edge and a rising WCLK edge for PAF to change during that clock cycle. If the time between the rising edge of RCLK and
PAF
n words in FIFO
t
CLKH
t
CLKH
SKEW2
SKEW2
Full - (m+1) words in FIFO
, then PAE may not change state until the next RCLK rising edge.
t
t
t
t
SKEW2
ENS
t
ENS
ENS
, then PAF may not change state until the next WCLK rising edge.
ENS
t
t
CLKL
CLKL
(1)
(2)
Figure 11. Programmable Empty Flag Timing
Figure 10. Programmable Full Flag Timing
t
t
ENH
ENH
t
t
ENH
ENH
t
PAE
(1)
11
(4)
t
PAF
t
ENS
n+1 words in FIFO
t
ENS
Full - m words in FIFO
COMMERCIAL AND INDUSTRIAL
t
ENH
t
SKEW2
t
ENH
TEMPERATURE RANGES
(3)
(2)
OCTOBER 22, 2008
(3)
t
PAF
t
PAE
2655 drw 12
2655 drw 13