IDT72T6480 Integrated Device Technology, IDT72T6480 Datasheet - Page 44

• Manufacturer Part Number: IDT72T6480
• Description: X48 Sequential Flow-control Device Up To 1gigabit
• Manufacturer: Integrated Device Technology

SYSTEM INTERFACE PARAMETERS
NOTE:
1. 50pf loading on external output signals.
IDT72T6480 2.5V, SEQUENTIAL FLOW-CONTROL DEVICE
x12, x24, x48 BIT WIDE CONFIGURATION
TDI/
TMS
TDO
TCK
Data Output Hold
Data Output
Parameter
Data Input
Symbol
t
t
DOH
3
t
DO
t
t
DS
DH
(1)
(1)
Test Conditions
t
t
rise=3ns
fall=3ns
t
1
t
DS
t
4
t
TCK
Min.
t
10
10
DH
0
-
IDT72T6480
Figure 31. Standard JTAG Timing
Notes to diagram:
t1 = t
t2 = t
t3 = t
t4 = t
t
2
Max. Units
20
-
-
-
TCKRISE
TCKLOW
TCKHIGH
TCKFALL
ns
ns
ns
44
(v
NOTE:
1. Guaranteed by design.
JTAG
AC ELECTRICAL CHARACTERISTICS
JTAG Clock Input Period t
JTAG Clock HIGH
JTAG Clock Low
JTAG Clock Rise Time
JTAG Clock Fall Time
cc = 2.5V
Parameter
±
5%; Tambient (Industrial) = 0°C to +85°C)
Symbol
t
t
t
t
TCK
TCKHIGH
TCKLOW
TCKRISE
TCKFALL
COMMERCIAL AND INDUSTRIAL
Conditions Min.
t
DO
Test
TEMPERATURE RANGES
-
-
-
-
-
OCTOBER 10, 2005
100
40
40
-
-
TDO
Max. Units
5
5
-
-
-
(1)
(1)
6358 drw39
ns
ns
ns
ns
ns