T8207-BAL-DT Agere Systems, Inc., T8207-BAL-DT Datasheet - Page 151

• Manufacturer Part Number: T8207-BAL-DT
• Description: CelXpres ATM interconnect. Dry-bagget, tape & reel .
• Manufacturer: Agere Systems, Inc.

Advance Data Sheet
September 2001
Agere Systems Inc.
19 Timing Requirements
Table 139. Multiplexed Intel Mode Write Access Timing
1. See access times in Table 10.
Note: The term pclkp in the table represents the period of pclk in ns.
Table 140. Multiplexed Intel Mode Read Access Timing
1. See access times in Table 10.
Note: The term pclkp in the table represents the period of pclk in ns.
Symbol
Symbol
t10
t10
t12
t11
t11
t1
t2
t3
t4
t5
t6
t7
t8
t9
t1
t2
t3
t4
t5
t6
t7
t8
t9
a[0]/ale High Pulse Width
write_access_active Falling Edge to a[0]/ale Falling Edge
d[7:0] Valid to a[0]/ale Falling Edge
a[0]/ale Falling Edge to d[7:0] Invalid
rdy_dtack* Rising Edge to write_access_active Rising
Edge
rdy_dtack* Rising Edge to d[7:0] Invalid and a[0]/ale Ris-
ing Edge
write_access_active Falling Edge to rdy_dtack* Falling
Edge
rdy_dtack* Low Pulse Width
write_access_active Rising Edge to rdy_dtack* 3-state
write_access_active Falling Edge to d[7:0] Valid
write_access_active Rising Edge to write_access_active
Falling Edge
a[0]/ale High Pulse Width
read_access_active Falling Edge to a[0]/ale Falling Edge
d[7:0] Valid to a[0]/ale Falling Edge
a[0]/ale Falling Edge to d[7:0] Invalid
rdy_dtack* Rising Edge to read_access_active Rising
Edge
rdy_dtack* Rising Edge to a[0]/ale Rising Edge
read_access_active Falling Edge to rdy_dtack* Falling
Edge
rdy_dtack* Low Pulse Width
read_access_active Rising Edge to d[7:0] Invalid and
rdy_dtack* 3-state
read_access_active Falling Edge to d[7:0] Drive
d[7:0] Valid to rdy_dtack* Rising Edge
read_access_active Rising Edge to read_access_active
Falling Edge
Parameter
Parameter
(continued)
1
1
3 x pclkp – 4
pclkp – 4
Min
—
25
—
—
5
5
0
0
0
0
0
Min
25
—
—
5
5
0
0
0
0
0
Typ
—
—
—
—
—
—
—
—
—
—
—
Typ
—
—
—
—
—
—
—
—
—
—
—
—
ATM Interconnect
2 x pclkp – 4
2 x pclkp – 4
2 x pclkp – 4
CelXpres T8207
Max
—
12
—
—
—
—
—
—
5
Max
—
—
—
—
12
—
—
—
—
—
5
Unit
ns
ns
ns
Unit
ns
ns
ns
ns
ns
ns
—
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
—
ns
ns
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