82V3280EQG Integrated Device Technology (Idt), 82V3280EQG Datasheet - Page 57

• Manufacturer Part Number: 82V3280EQG
• Description: WAN PLL 100-Pin TQFP Tray
• Manufacturer: Integrated Device Technology (Idt)

Specifications of 82V3280EQG

• Package: 100TQFP
• Operating Temperature: -40 to 85 °C

Table 40: Write Timing Characteristics in Serial Mode
Microprocessor Interface
IDT82V3280
Symbol
t
t
t
t
t
pw1
pw2
t
t
su1
su2
t
t
out
T
h1
h2
in
TI
SCLK
CS
SDO
SDI
Time between consecutive Write-Write or Write-Read accesses
t
su2
t
su1
R/ W
Valid SDI after valid SCLK hold time
Valid CS after valid SCLK hold time
( CS rising edge to CS falling edge)
One cycle time of the master clock
Valid SDI to valid SCLK setup time
Valid CS to valid SCLK setup time
t
h1
SCLK pulse width high
A0
SCLK pulse width low
Delay of output pad
Delay of input pad
Parameter
A1
Figure 25. Serial Write Timing Diagram
A2
t
pw1
A3
t
pw2
A4
A5
57
A6
High-Z
D0
D1
3.5T
3.5T
Min
14
10
4
6
5
D2
D3
12.86
D4
Typ
5
5
D5
D6
D7
Max
t
h2
December 9, 2008
WAN PLL
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns