PM5381-BI PMC-Sierra, Inc., PM5381-BI Datasheet - Page 572

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PM5381-BI

Manufacturer Part Number
PM5381-BI
Description
ATM UNI, Single Channel ATM PHY Interface for 2488.32Mbps
Manufacturer
PMC-Sierra, Inc.
Datasheet

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18.1
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Proprietary and Confidential to PMC-Sierra, Inc., and for its Customers’ Internal Use
Document ID: PMC-2000489, Issue 4
A.C. Timing Characteristics
T a = -40°C to T j = 125°C, V DDI = VDDI typical ± 5%, V DDO = VDDO typical ± 5%, AVDL =
AVDL typical ± 5%, AVDH = AVDH typical ± 5%, QAVD = QAVD typical ± 5%
Microprocessor Interface Timing Characteristics
Table 34 Microprocessor Interface Read Access Timing (Figure 53)
Figure 53 Intel Microprocessor Interface Read Timing
Notes on Microprocessor Interface Read Timing:
1.
Symbol
TS
TH
TS
TH
TV
TS
TH
TP
TZ
TZ
rd
rinth
ar
alr
l
lr
rd
ar
alr
lr
(CSB+RDB)
Output propagation delay time is the time in nanoseconds from the 1.4 Volt point of the reference signal
to the 1.4 Volt point of the output.
A[13:0]
D[15:0]
INTB
ALE
Parameter
Address to Valid Read Set-up Time
Address to Valid Read Hold Time
Address to Latch Set-up Time
Address to Latch Hold Time
Valid Latch Pulse Width
Latch to Read Set-up
Latch to Read Hold
Valid Read to Valid Data Propagation Delay
Valid Read Negated to Output Tri-state
Valid Read Negated to INTB High (WCIMODE =
0)
tSalr
tVl
tVl
tSar
tS lr
tPrd
S/UNI-2488 Telecom Standard Product Datasheet
tHalr
VALID
Min
10
10
10
10
5
0
10
tZrd
tZrinth
tHar
tHlr
Max
70
20
50
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Released
572

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