IDT72T6480L10BB IDT, Integrated Device Technology Inc, IDT72T6480L10BB Datasheet - Page 40

• Manufacturer Part Number: IDT72T6480L10BB
• Description: IC FLOW-CTRL 48BIT 10NS 324-BGA
• Manufacturer: IDT, Integrated Device Technology Inc

Specifications of IDT72T6480L10BB

• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: 72T6480L10BB

IDT72T6480 2.5V, SEQUENTIAL FLOW-CONTROL DEVICE
x12, x24, x48 BIT WIDE CONFIGURATION
D[47:0]
Q[47:0]
D[47:0]
Q[47:0]
WCLK
Symbol
t
t
t
t
t
t
t
WCLK
DS
DH
ENH
A
RCLK
PAFs
PAEs
SKEW2
RCLK
WEN
WEN
REN
REN
NOTES:
1. t
2. n = PAE offset, see Table 10 for information on setting PAE offset values.
3. Settings: OE = LOW, RCS = LOW, BM[3:0] = 1000, ASYR = HIGH, and ASYW = HIGH.
PAE
PAF
NOTES:
1. t
2. m = PAF offset, D = density of SFC, see Table 11 for information on setting PAF offset values.
3. Settings: OE = LOW, RCS = LOW, BM[3:0] = 1000, ASYR = HIGH, and ASYW = HIGH.
cycle (plus t
SKEW2
cycle (plus t
SKEW2
Data Setup Time
Data Hold Time
Enable Hold Time
Data Access Time
WCLK to Synchronous PAF
RCLK to Synchronous PAE
Skew time between RCLK and WCLK for PAE/PAF
Word D - (m + 1)
is the minimum time between a rising WCLK edge and a rising RCLK edge to guarantee that PAE will go HIGH after one RCLK
is the minimum time between a rising WCLK edge and a rising RCLK edge to guarantee that PAF will go HIGH after one RCLK
PAEs
PAFs
t
Word n + 1
n words or less in Memory
n + 1 words or less in Memory
). If t
DS
). If t
SKEW2
t
SKEW2
SKEW2
t
t
Parameter
ENH
DH
Word D - m
Figure 22. Synchronous PAF
t
Figure 21. Synchronous PAE
DS
is not met, then PAE de-assertion may be delayed one extra RCLK cycle.
is not met, then PAF de-assertion may be delayed one extra RCLK cycle.
1
t
t
DH
DH
(2)
D - (m + 1) words or less in Memory
Previous Word in Register
(2)
Previous Word in Register
t
PAEs
2
1
PAF
PAF
PAF Flag - IDT Standard Mode and FWFT Mode
PAF
PAE
PAE
PAE Flag - IDT Standard Mode and FWFT Mode
PAE
40
t
2
PAFs
t
ENS
n + 1 words or more in Memory
n + 2 words or more in Memory
(x24 or x12 I/O only) (x48 I/O width only)
Min.
0.5
0.5
—
—
2
1
5
t
ENH
7-5ns
t
A
t
ENS
D - m words or more in Memory
Max.
—
—
—
—
4
4
4
t
t
ENH
SKEW2
t
A
1
(2)
Min.
(2)
2.5
0.5
0.5
—
—
1
7
7-5ns
1
Word 0
Max.
—
—
—
—
COMMERCIAL AND INDUSTRIAL
5
5
5
t
PAEs
2
Word 0
TEMPERATURE RANGES
Min.
t
2
3.5
0.5
0.5
PAFs
—
—
10
6358 drw29
1
10ns
6358 drw30
FEBRUARY 10, 2009
Max.
6.5
6.5
6.5
—
—
—
—
Unit
ns
ns
ns
ns
ns
ns
ns