cn8237 Mindspeed Technologies, cn8237 Datasheet - Page 386

• Manufacturer Part Number: cn8237
• Description: Atm Oc-12 Servicesar Plus With Xbr Traffic Management
• Manufacturer: Mindspeed Technologies

Appendix A : Boundary Scan
A.4 Electrical Characteristics
Table A-3. Timing Specifications
A-4
NOTE(S):
(1)
Symbol
t
t
t
TRST* going inactive timing only required if TMS = 0 at the rising edge of TCLK.
t
t
t
t
t
t
—
high
t
t
rise
t
cyc
low
sur
out
fall
t
rst
su
on
off
hr
h
TCLK Frequency
TCLK Cycle
TCLK High Pulse Width
TCLK Low Pulse Width
TCLK Rise
TCLK Fall
TRST* Inactive to TCLK Rising Edge
TRST* Inactive after TCLK Rising Edge
TRST* Active
TDI, TMS, and Data Inputs Setup
TDI, TMS, and Data Inputs Hold
TDO and Data Outputs Valid
TDO and Data Outputs Float to Valid
TDO and Data Outputs Valid to Float
A.4 Electrical Characteristics
This section describes the electrical characteristics for boundary scan.
provides timing specifications and
Description
Mindspeed Technologies
(1)
(1)
ATM OC-12 ServiceSAR Plus with xBR Traffic Management
Figure A-2
™
Min
—
50
20
20
—
—
—
1
1
5
5
1
5
5
shows a timing diagram.
Max
20
—
30
30
—
—
—
—
—
10
10
10
4
4
28237-DSH-001-C
Table A-3
CN8237
Unit
MHz
t
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
cyc