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S/UNI-QUAD
PMC-Sierra, Inc.
PM5349 S/UNI-QUAD
DATASHEET
PMC-971239 ISSUE 6 SATURN USER NETWORK INTERFACE (155-QUAD)
Proprietary and Confidential to PMC-Sierra, Inc., and for its Customers’ Internal Use
229
17
MICROPROCESSOR INTERFACE TIMING CHARACTERISTICS
(T
A
= -40°C to +85°C, V
DD
= 3.3V ±10%)
Table 15: Microprocessor Interface Read Access (Figure 24)
Symbol Parameter Min Max Units
tS
AR
Address to Valid Read Set-up Time 10 ns
tH
AR
Address to Valid Read Hold Time 5 ns
tS
ALR
Address to Latch Set-up Time 10 ns
tH
ALR
Address to Latch Hold Time 10 ns
tV
L
Valid Latch Pulse Width 5 ns
tS
LR
Latch to Read Set-up 0 ns
tH
LR
Latch to Read Hold 5 ns
tP
RD
Valid Read to Valid Data Propagation Delay 70 ns
tZ
RD
Valid Read Negated to Output Tri-state 20 ns
tZ
INTH
Valid Read Negated to Output Tri-state 50 ns