DP8390DV National Semiconductor, DP8390DV Datasheet - Page 49
DP8390DV
Manufacturer Part Number
DP8390DV
Description
IC CTRLR NETWORK IN (NIC)68PLCC
Manufacturer
National Semiconductor
Datasheet
1.DP8390DN.pdf
(56 pages)
Specifications of DP8390DV
Controller Type
Network Interface Controller (NIC)
Voltage - Supply
5V
Current - Supply
40mA
Mounting Type
Surface Mount
Package / Case
68-LCC (J-Lead)
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Operating Temperature
-
Interface
-
Other names
*DP8390DV
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15 0 Switching Characteristics
Note 1 Start of next transfer is dependent on where RACK is generated relative to BSCK and whether a local DMA is pending
Note 2 This is not a measured value but guaranteed by design
Note 3 RACK must be high for a minimum of 7 BUSCK
Note 4 Assumes no local DMA interleave no CS and immediate BACK
Symbol
bpwrl
bpwrh
prqh
prql
rakw
rhpwh
Bus Clock to Port Write Low
Bus Clock to Port Write High
Port Write High to Port
Request High (Note 1)
Port Request Low from
Read Acknowledge High
Remote Acknowledge
Read Strobe Pulse Width
Read Acknowledge High to
Next Port Write Cycle
(Notes 2 3 4)
Remote DMA (Read Send Command) Recovery Time
Parameter
(Continued)
49
Min
20
11
Max
43
40
30
45
BUSCK
Units
TL F 8582 – 85
ns
ns
ns
ns
ns