co561ad-d Connect One Ltd., co561ad-d Datasheet - Page 25

• Manufacturer Part Number: co561ad-d
• Description: The Co561ad-d Ichip Plus? Internet Controller? Is A Low-cost Intelligent Peripheral Device That Provides Internet Connectivity Solutions To A Myriad Of Embedded Devices.
• Manufacturer: Connect One Ltd.

6.2 Interface Timing and Waveforms
6.2.1 Switching Characteristics
(1) Fall time in 5V version is from 3.5V to 1V and in 3V version is from 2V to 1V.
(2) Rise time in 5V version is from 1V to 3.5V and in 3V version is from 1V to 2V.
iChip CO561AD-D Datasheet
Clock Out frequency
Clock Out period
Address valid to –RD
LOW
-RD active delay
-RD pulse with
Data in setup
Data in hold
Address valid to –WR
LOW
Data valid delay
Control active delay
-WR pulse with
X1 fall time (1)
X1 rise time (2)
X1 LOW time
X1 HIGH time
X1 to CLKO skew
Parameter
Table 6-4 Switching Characteristics
Symbol
Tcvctv
Tavwl
Tchck
Tdvcl
Tcldx
Tcldv
Tckhl
Tcklh
Tclck
Tcico
Tavrl
Trlrh
Trlrh
Tclrl
Tclk
Fclk
18.430
Min.
72
25
94
10
72
94
24
24
3
0
0
Electrical/Mechanical Specifications
Typical
18.432
1/Fck
27
27
18.434
Max.
25
25
30
30
25
5
5
Units
MHz
Ns
us
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
6-3