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72615L50PF8

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P17
10
INDUSTRIAL TEMPERATURE RANGE
IDT72605/72615 CMOS SYNCBiFIFO™
256 x 18x 2 and 512 x 18 x 2
tCS
NO OPERATION
CLKA
ENA
CSA
A0, A1, A2
R/
W
A
EFBA
DA0-DA17
CLKB
OEA
tCLK
tCLKH tCLKL
tCH
tEF
tA
tOLZ
tOE tOHZ
tSKEW1
tEF
NO WRITE
WRITE
VALID DATA
2704 drw 08
t
DS
DATA IN VALID
t
SKEW1
READ NO READ OPERATION
CLK
B
EN
B
R/
W
B
FF
BA
D
B0-
D
B17
CLK
A
NO OPERATION
t
DH
t
FF
t
FF
t
CS
t
CH
t
CLKL
t
CLKH
t
CLK
2704 drw 09
Figure 6. Port B (B
→→
→→
→
A) Write Timing
Figure 5. Port A (B
→→
→→
→
A) Read Timing
11
IDT72605/72615 CMOS SYNCBiFIFO™
256 x 18x 2 and 512 x 18 x 2 INDUSTRIAL TEMPERATURE RANGE
VALID DATA
t
SKEW1
NO WRITE OPERATION
CLK
B
EN
B
R/
W
B
EF
BA
D
B0-
D
B17
CLK
A
NO OPERATION
t
EF
t
EF
t
CS
t
CH
t
CLKL
t
CLKH
t
CLK
OE
B
t
A
WRITE
t
OE
t
OLZ
t
OHZ
2704 drw 10
(First Valid Write)
(1)
t
SKEW1
CLK
A
EN
B
R/
W
A
EF
AB
D
B0-
D
B17
CLK
B
t
EF
t
CS
OE
B
t
A
t
OE
t
OLZ
R/
W
B
D
A0-
D
A17
CS
A
, EN
A
A
0
, A
1
, A
2
t
A
t
FRL
t
CS
D
0
D
1
D
1
D
2
D
3
D
0
t
DS
2704 drw 11
Figure 7. Port B (A
→→
→→
→
B) Read Timing
NOTE:
1. When tSKEW1 ≥ minimum specification, tFRL(Max.) = tCLK + tSKEW1
tSKEW1 < minimum specification, tFRL(Max.) = 2tCLK + tSKEW1 or tCLK + tSKEW1
The Latency Timing applies only at the Empty Boundary (EF = LOW).
Figure 8. A
→→
→→
→
B First Data Word Latency after Reset for Simultaneous Read and Write
12
INDUSTRIAL TEMPERATURE RANGE
IDT72605/72615 CMOS SYNCBiFIFO™
256 x 18x 2 and 512 x 18 x 2
(First valid write)
(1)
t
SKEW1
CLK
B
EN
B
R/
W
B
EF
BA
D
A0-
D
A17
CLK
A
t
EF
t
CS
OE
A
t
A
t
OE
t
OLZ
R/
W
A
D
B0-
D
B17
CS
A
, EN
A
A
0
, A
1
, A
2
t
A
t
FRL
t
CS
D
0
D
1
D
1
D
2
D
3
D
0
t
DS
2704 drw 12
NOTE:
1. When tSKEW1 ≥ minimum specification, tFRL(Max.) = tCLK + tSKEW1
tSKEW1 < minimum specification, tFRL(Max.) = 2tCLK + tSKEW1
The Latency Timing apply only at the Empty Boundary (EF = LOW).
Figure 9. B
→→
→→
→
A First Data Word Latency after Reset for Simultaneous Read and Write
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P17

72615L50PF8

Mfr. #:
Buy 72615L50PF8
Manufacturer:
IDT
Description:
FIFO 512X18 BI-FIFO PARA/SYNCH
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
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