mt90224 Zarlink Semiconductor, mt90224 Datasheet - Page 147

• Manufacturer Part Number: mt90224
• Description: 8-port Ima/tc Phy Device
• Manufacturer: Zarlink Semiconductor

AC Electrical Characteristics - JTAG Port and RESET Pin Timing
Note ‡ : Typical figures are at 25
TCK period width
TCK period width LOW
TCK period width HIGH
TDI setup time to TCK rising
TDI hold time after TCK rising
TMS setup time to TCK rising
TMS hold time after TCK rising
TDO delay from TCK falling
TRST pulse width
RESET pulse width
TRST
TMS
TDO
TCK
TDI
Parameter
°
C, V
DD
t
=3.3 V, and for design aid only: not guaranteed and not subject to production testing.
mssu
t
disu
t
Symbol
dih
t
t
t
t
t
TCLKH
TCLKL
t
MSSU
t
t
t
TCLK
TRST
DISU
t
MSH
DOD
RST
DIH
Figure 39 - JTAG Port Timing
t
msh
Zarlink Semiconductor Inc.
MT90222/3/4
Min.
100
40
40
33
15
147
2
2
5
2
t
Typ.
dod
‡
t
Max.
tclkh
20
t
tclk
t
tclkl
Units
ms
t
ns
ns
ns
ns
ns
ns
ns
ns
ns
trst
BSDL spec’s 12 MHz
Test Conditions
70 MCLK cycles
C
L
= 30 pF
Data Sheet