tp3401 National Semiconductor Corporation, tp3401 Datasheet - Page 13

• Manufacturer Part Number: tp3401
• Description: Dasl Digital Adapter For Subscriber Loops
• Manufacturer: National Semiconductor Corporation

D CHANNEL INTERFACE (Figure 11
CONTROL INTERFACE (Figure 13)
Timing Characteristics
Unless otherwise noted V
All signals are referenced to GND
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
Symbol
SDDC
HCD
DDCD
SDCB
HBDC
SDCF
DDED
SDEB
SDBC
HBCD
DBCD
DCDZ
CH
CL
SIC
HCI
SSC
HCS
DCO
DSO
DSZ
DCI
Set Up Time D
Valid to DCLK Low
Hold Time DCLK Low
to D
Delay Time DCLK High to
D
Set-Up Time DCLK
Transitions to BCLK High
Hold Time BCLK High
to DCLK Transitions
Set-Up Time DCLK
Transitions to FS
Delay Time DEN High
to D
Set-Up Time DEN to
BCLK Low
Set-Up Time D
to BCLK Low
Hold Time BCLK
Low to D
Delay Time BCLK
High to D
Delay Time DEN
Low to D
CCLK High Duration
CCLK Low Duration
Setup Time CI
Valid to CCLK High
Hold Time CCLK High
to CI Invalid
Setup Time from CS
Low to CCLK High
Hold Time from CCLK
Low to CS
Delay Time from CCLK Low
to C0 Data Valid
Delay Time from CS
Low to CO Valid
Delay Time from CS High
to CO High Impedance
Delay Time from CCLK1
High to INT High Impedance
r
Data Valid
X
r
Valid
CC
Invalid
Parameter
e a
x
r
r
High Impedance
Invalid
Valid
5V
X
x
12)
a
g
(Continued)
HIgh
5% T
A
e
0 C to 70 C Typical characteristics are specified at V
Load
Master Mode
Only
Master Mode
Only
Master Mode
Only
Load
2 LSTTL Inputs
Load
Load
1st Bit Only
a
a
a
2 LSTTL Inputs
2 LSSTL Inputs
2 LSTTL Inputs
13
Conditions
e
e
e
e
100 pF
100 pF
100 pF
100 pF
a
100
100
100
250
250
100
200
Min
50
50
70
50
50
10
0
220
200
190
150
100
Max
140
100
120
CC
e
5V T
A
e
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
25 C