DP83934CVUL20 National Semiconductor, DP83934CVUL20 Datasheet - Page 95

• Manufacturer Part Number: DP83934CVUL20
• Manufacturer: National Semiconductor

Specifications of DP83934CVUL20

• Operating Supply Voltage (typ): 5V
• Operating Supply Voltage (min): 4.75V
• Operating Supply Voltage (max): 5.25V
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Pin Count: 160
• Lead Free Status / RoHS Status: Not Compliant

9 0 AC and DC Specifications
REGISTER WRITE BMODE
Note 1 This figure shows a slave access to the SONIC-T when the SONIC-T is idle or rather not in master mode If the SONIC-T is a bus master there will be
some differences as noted in the Memory Arbitration Slave Access diagram The BSCK states (T1 T2 etc ) are the equivalent processor states during a slave
access
Note 2 bcyc
Number
T56
T60
T63
T64
T69
T69a
T70a
T71a
T75b
T77
T77a
T77b
T78
T79a
T81
T83
T84
T85a
e
bus clock cycle time (T3)
CS Asynchronous Setup to BSCK (Notes 3 4)
CS Valid to SMACK Low (Notes 2 3 4)
Register Address Setup to SAS
Register Address Hold from SAS
SAS Asynchronous Setup to BSCK (Notes 3 4)
SAS Asynchronous Setup to BSCK (Notes 3 5)
SRW (Write) Setup to SAS
SRW (Write) Hold from SAS
BSCK to DSACK0 1 Low
CS to DSACK0 1 High (Note 5)
SAS to DSACK0 1 High (Note 5)
BSCK to DSACK0 1 TRI-STATE (Note 5)
Skew between DSACK0 1
BSCK to SMACK High (Note 5)
BSCK to SMACK Low
Register Write Data Setup to BSCK
Register Write Data Hold from BSCK
Minimum CS Deassert Time (Notes 2 3)
e
1 (Note 1)
Parameter
(Continued)
95
Min
14
8
1
6
8
7
5
4
8
8
1
20 MHz
Max
22
20
31
19
19
22
5
3
Min
12
7
1
5
7
6
4
3
7
7
1
25 MHz
Max
20
18
29
17
17
20
5
3
TL F 11719 – 91
Units
bcyc
bcyc
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns