DS26502 Maxim Integrated Products, DS26502 Datasheet - Page 117

• Manufacturer Part Number: DS26502
• Description: T1/E1/J1/64KCC BITS Element
• Manufacturer: Maxim Integrated Products

20.3 Serial Bus
Table 20-3. AC Characteristics, Serial Bus
(V
DS26502LN.)
Note 1:
Note 2:
Note 3:
Note 4:
Note 5:
NUMBER
DIAGRAM
DD
= 3.3V ±5%, T
10
11
1
2
3
4
5
6
7
8
9
Numbers refer to dimensions in the following
All timing is shown with respect to 20% V
Time to data active from high-impedance state.
Hold time to high-impedance state.
With 100pF on all SPI pins.
(1)
Operating Frequency
Slave
Cycle Time: Slave
Enable Lead Time
Enable Lag Time
Clock (CLK) High Time
Slave
Clock (CLK) Low Time
Slave
Data Setup Time (inputs)
Slave
Data Hold Time (inputs)
Slave
Access Time, Slave
Disable Time, Slave
Data Valid Time, After Enable Edge
Slave
Data Hold Time, Outputs, After Enable Edge
Slave
A
= 0°C to +70°C for DS26502L; V
(5)
CHARACTERISTIC
(3)
(4)
CPHA = 0
CPHA = 1
DD
and 70% V
Figure 20-8
117 of 124
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(2)
DD
and
DD
, unless otherwise noted. 100pF load on all SPI pins.
= 3.3V ±5%, T
Figure
20-9.
SYMBOL
t
t
t
DS26502 T1/E1/J1/64KCC BITS Element
t
t
f
t
t
LEAD(S)
CLKH(S)
CLKL(S)
t
t
CYC(S)
LAG(S)
t
BUS(S)
A(CP0)
A(CP1)
t
DIS(S)
t
HD(S)
SU(S)
H(S)
V(S)
A
= -40°C to +85°C for
MIN MAX UNITS
100
15
15
50
50
15
—
—
5
0
0
5
10
—
—
—
—
—
—
—
40
20
25
40
—
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns