IDT72T6480 Integrated Device Technology, IDT72T6480 Datasheet - Page 41

• Manufacturer Part Number: IDT72T6480
• Description: X48 Sequential Flow-control Device Up To 1gigabit
• Manufacturer: Integrated Device Technology

Q[47:0]
NOTES:
1. m = PAF offset, see Table 10 for information on PAF offset values. D = density of SFC.
2. Settings: OE = LOW, RCS = LOW, BM[3:0] = 1000, FWFT = LOW, ASYR = LOW, and ASYW = LOW.
3. Asynchronous read is available in IDT standard mode only.
NOTES:
1. n = PAE offset, see Table 11 for information on PAE offset values.
2. Settings: WCS = LOW, BM[3:0] = 1000, FWFT = LOW, ASYR = LOW, and ASYW = LOW.
3. Asynchronous read is available in IDT standard mode only.
D[47:0]
NOTES:
1. m = PAF offset, see Table 11 for information on PAF offset values. D = density of SFC.
2. Settings: WCS = LOW, BM[3:0] = 1000, FWFT = LOW, ASYR = LOW, and ASYW = LOW.
3. Asynchronous read is available in IDT standard mode only.
D[47:0]
IDT72T6480 2.5V, SEQUENTIAL FLOW-CONTROL DEVICE
x12, x24, x48 BIT WIDE CONFIGURATION
PAF
PAE
PAF
WR
WR
RD
Symbol
t
t
t
t
DS
DH
Aa
PAFa
Data Setup Time
Data Hold Time
Data Access Time
Rising Edge to PAF
Word D - (m - 2)
Parameter
Figure 25. Asynchronous Write and PAF Flag - IDT Standard Mode
Figure 24. Asynchronous Write and PAE Flag - IDT Standard Mode
Figure 23. Asynchronous Read and PAF Flag - IDT Standard Mode
Word D - (m + 2)
t
t
DS
Word n - 1
DS
t
DH
t
DH
t
D - (m + 1) words or less in Memory
Aa
(D - m) words or more in Memory
n words or less in Memory
Word D - (m + 1)
t
DS
t
Word D - (m - 1)
DS
Word n
t
DH
t
DH
t
Aa
41
(1)
(x24 or x12 I/O only) (x48 I/O width only)
Min.
0.5
0.6
—
2
7-5ns
Max.
Word D - m
—
—
8
8
t
Word n + 1
DS
t
Min.
DS
Word D - m
2.5
0.5
0.6
—
7-5ns
t
t
PAEa
DH
t
t
PAFa
t
DH
Max.
PAFa
COMMERCIAL AND INDUSTRIAL
—
—
10
10
t
Aa
n + 1 words or more in Memory
D - m words or more in Memory
TEMPERATURE RANGES
Min.
3.5
0.5
—
1
D - (m + 1) words or less
in Memory
10ns
Word D - (m + 1)
OCTOBER 10, 2005
Max.
—
—
12
14
Unit
6358 drw32
ns
ns
ns
ns
6358 drw33
6358 drw31
(1)