T8207-BAL-DT Agere Systems, Inc., T8207-BAL-DT Datasheet - Page 149

• 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 137. Motorola 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 138. Motorola 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
t11
t1
t2
t3
t4
t5
t6
t7
t8
t1
t2
t3
t4
t5
t6
t7
t8
t9
write_access_active Falling Edge to a[7:0] and d[7:0] Valid
rdy_dtack* Falling Edge to write_access_active Rising
Edge
rdy_dtack* Falling Edge to a[7:0] and d[7:0] Invalid
write_access_active Falling Edge to rdy_dtack* Drive
write_access_active Falling Edge to rdy_dtack* Falling
Edge
write_access_active Rising Edge to rdy_dtack* Rising Edge
rdy_dtack* Rising Edge to rdy_dtack* 3-state
write_access_active Rising Edge to write_access_active
Falling Edge
read_access_active Falling Edge to a[7:0] Valid
rdy_dtack* Falling Edge to read_access_active Rising
Edge
rdy_dtack* Falling Edge to a[7:0] Invalid
read_access_active Falling Edge to rdy_dtack* Drive
read_access_active Falling Edge to rdy_dtack* Falling
Edge
read_access_active Rising Edge to rdy_dtack* Rising
Edge
rdy_dtack* Rising Edge to rdy_dtack* 3-state
d[7:0] Valid to rdy_dtack* Falling Edge
read_access_active Rising Edge to d[7:0] Invalid
read_access_active Falling Edge to d[7:0] Drive
read_access_active Rising Edge to read_access_active
Falling Edge
1
1
Parameter
Parameter
(continued)
3 x pclkp – 4
pclkp – 4
Min
Min
25
—
—
25
1
0
—
—
0
0
0
0
0
0
0
1
0
Typ
Typ
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
ATM Interconnect
2 x pclkp – 4
2 x pclkp – 4
CelXpres T8207
Max
Max
12
—
—
—
—
12
—
5
5
—
—
—
—
—
5
5
5
Unit
Unit
ns
ns
ns
—
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
—
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