DP83932CVF-20 National Semiconductor, DP83932CVF-20 Datasheet - Page 77
DP83932CVF-20
Manufacturer Part Number
DP83932CVF-20
Description
IC CTRLR ORIENT NETWORK 132PQFP
Manufacturer
National Semiconductor
Series
SONIC™r
Datasheet
1.DP83932CVF-20.pdf
(98 pages)
Specifications of DP83932CVF-20
Controller Type
Ethernet Network Interface Controller
Interface
Bus
Voltage - Supply
5V
Mounting Type
Surface Mount
Package / Case
132-MQFP, 132-PQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Current - Supply
-
Operating Temperature
-
Other names
*DP83932CVF-20
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Number
T9
T11
T11b
T11d
T12
T12b
T12d
T15
T16
T17
T23
T24
T28
T32a
T33a
7 0 AC and DC Specifications
MEMORY READ BMODE
Note 1 For successive read operations MWR remains low
Note 2 This setup time assures that the SONIC terminates the memory cycle on the next bus clock (BSCK) RDYi does not need to be synchronized to the bus
clock though since it is an asynchronous input in this case RDYi is sampled during the falling edge of BSCK If the SONIC samples RDYi low during the T1 cycle
the SONIC will finish the current access in a total of two bus clocks instead of three which would be the case if RDYi had been sampled low during T2(wait) (This is
assuming that programmable wait states are set to 0)
BSCK to Address Valid Hold Time
BSCK to ADS Low
BSCK to ECS Low
BSCK to DS Low
BSCK to ADS High
BSCK to ECS High
BSCK to DS High
ADS High Width
Read Data Strobe High Width
Read Data Strobe Low Width
Read Data Setup Time to BSCK
Read Data Hold Time from BSCK
BSCK to MRR (Read) Valid (Note 1)
RDYi Asynch Setup Time to BSCK (Note 2)
RDYi Asynch Hold Time to BSCK
e
0 ASYNCHRONOUS MODE
Parameter
(Continued)
77
Min
45
45
40
3
5
5
5
5
20 MHz
Max
26
26
19
17
24
29
17
26
Min
35
35
30
3
4
5
4
5
25 MHz
Max
24
24
17
15
22
27
15
24
Min
25
25
20
3
3
5
3
5
33 MHz
Max
22
22
15
13
20
25
13
22
TL F 10492 – 62
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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