IDT77155 Datasheet, PDF (48/50 Pages) Integrated Device Technology – PHY (TC-PMD) USER NETWORK INTERFACE FOR 155 MBPS ATM NETWORK APPLICATIONS

IDT77155
155Mbps ATM PHY (TC-PMD) USER NETWORK INTERFACE
ADVANCED INFORMATION
Commercial Temperature Range
tALSU
tLW
tALHD
A[7:0]
X
Valid Address
X
ALE
CS / RD
D[7:0]
tLRSU
tARSU
tRD
tARHD
tLRHD
tDT
Valid Data
Figure 17. Microporcessor Read Timing
3497 drw 20
SYMBOL
tALHD
tALSU
tARHD
tARSU
tDT
tLRHD
tLRSU
tLW
tRD
DISCRIPTION
Address to latch enable hold time
Address to latch enable setup time
Address to read hold time
Address to read setup time
Read to output data tristate
Latch enable to read hold time
Latch enable to read setup time
Latch enable pulse width
Valid read to data propagation delay
MIN.
10
20
5
25
20
5
5
20
MAX. UNITS
ns
ns
ns
ns
ns
ns
ns
ns
80
ns
SYMBOL
DISCRIPTION
tBB
Time between consecutive operations
MIN. MAX. UNITS
150
ns
8.03
48