TP3420AV National Semiconductor, TP3420AV Datasheet - Page 26
TP3420AV
Manufacturer Part Number
TP3420AV
Description
Manufacturer
National Semiconductor
Datasheet
1.TP3420AV.pdf
(32 pages)
Specifications of TP3420AV
Number Of Line Interfaces
1
Control Interface
HDLC
Package Type
PLCC
Lead Free Status / Rohs Status
Not Compliant
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DIGITAL SYSTEM INTERFACE (See Figure 9 )
t
t
t
t
t
t
t
t
Symbol
HCFH
SFC
HCFL
DBFR
DBF
DCB
DCBZ
DCD
Timing Characteristics
Note 28: This parameter can be extended by connecting a 10 k
Timing Diagrams
Hold Time, BCLK High
to FS
Set up Time, FS
FSb Inputs to BCLK Low
Hold Time, BCLK Low
to FS
Delay Time, FS
to B
Delay Time, BCLK High
to FS
(Outputs)
Delay Time, BCLK
High to Data Valid
Delay Time, BCLK Low
to Data Invalid
Delay Time, BCLK
High to DEN
r
Valid
a
a
a
and FS
and FS
and FS
Parameter
x
Transition
b
b
b
b
High (Inputs)
Low (Inputs)
Transitions
a
Input
and
FIGURE 9. Timing Details for Digital System Interface
(Continued)
NT and TES Modes
only
NT and TES Modes
only
NT and TES Modes
only
NT and TES Modes,
Bit 1 only
TEM mode only
All Modes
All Modes
(Last Bit Only)
TEM Mode only
pull-up resistor and a 10 pf pull-down capacitor to B
Conditions
26
(Note 28)
Min
50
20
10
0
r
.
Typ
DS009143-9
Max
120
80
50
80
40
Units
ns
ns
ns
ns
ns
ns
ns
ns