vsc834 Vitesse Semiconductor Corp, vsc834 Datasheet - Page 6

• Manufacturer Part Number: vsc834
• Description: 2.5gb/s 17 X 17 Crosspoint Switch With Input Signal Activity Isa Monitoring
• Manufacturer: Vitesse Semiconductor Corp

Page 6
2.5Gb/s 17x17 Crosspoint Switch
with Input Signal Activity (ISA) Monitoring
Table 4: Programing Port Interface Timing
Note 1: Measured from falling edge.
Note 2: Measured from rising edge.
Parameter
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
config
sRDB
sWRB
sCONFIG
sCSB
sALE
pdADDR
pdRDB
pdint
pdstate
hRDB
hWRB
pwCONFIG
pwWRB
pwRDB
tsDATA
ADDR[5:0]
DATA[4:0]
CONFIG
WRB
RDB
CSB
Switch configuration delay
Data read propagation delay from ADDR
Data read propagation delay from RDB (1)
Interrupt propagation delay from MONCLK (2)
MONCLK to internal state register change delay (2)
ADDR to RDB setup time
RDB to ADDR hold time
WRB setup time (for either ADDR or DATA)
WRB hold time (for either ADDR or DATA)
WRB to CONFIG setup time
CSB setup time (to either WRB or RDB)
CONFIG pulse width (high)
WRB pulse width (low and high)
RDB pulse width (low and high)
DATA tri-state delay (from either RDB or CSB) (2)
ALE setup time (for multiplexed ADDR/DATA bus)
© VITESSE SEMICONDUCTOR CORPORATION • 741 Calle Plano • Camarillo, CA 93012
T
sCSB
Tel: (800) VITESSE • FAX: [phone] • Email: [e-mail]
VITESSE
SEMICONDUCTOR CORPORATION
T
sWRB
Description
Figure 4: Program Timing
T
hWRB
Internet: www.vitesse.com
T
sCONFIG
Min
10
10
10
5
3
5
3
1
0
5
-
-
-
-
-
-
Max
30
50
10
6
7
6
-
-
-
-
-
-
-
-
-
-
Datasheet
VSC834
G52247-0, Rev 4.2
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
02/09/01