ds3102 Maxim Integrated Products, Inc., ds3102 Datasheet - Page 133

• Manufacturer Part Number: ds3102
• Description: Stratum 3 Timing Card Ic With Synchronous Ethernet Support
• Manufacturer: Maxim Integrated Products, Inc.

10.4 SPI Interface Timing
Table 10-10. SPI Interface Timing
(V
Rev: 012108
____________________________________________________________________________________________ DS3102
SCLK Frequency
SCLK Cycle Time
CS Setup to First SCLK Edge
CS Hold Time After Last SCLK Edge
SCLK High Time
SCLK Low Time
SDI Data Setup Time
SDI Data Hold Time
SDO Enable Time (High-Z to Output Active)
SDO Disable Time (Output Active to High-Z)
SDO Data Valid Time
SDO Data Hold Time After Update SCLK Edge
Note 1:
DD
= 1.8V ±10%; V
All timing is specified with 100pF load on all SPI pins.
PARAMETER (Note 1)
DDIO
= 3.3V ±5%, T
A
= -40°C to +85°C.) (See
SYMBOL
t
t
t
f
t
t
t
CLKH
t
t
t
CLKL
HDC
t
t
HDO
BUS
CYC
SUC
Figure
SUI
HDI
DIS
EN
DV
10-4.)
MIN
100
15
15
50
50
15
5
0
5
TYP
MAX
25
50
6
133 of 141
UNITS
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns