TMP91C824
91C824-227
2008-02-20
4.5
Serial Channel Timing (I/O Internal Mode)
(1)
SCLK input mode
Variable 10
MHz
27
MHz
Parameter Symbol
Min
Max
Min Max Min Max
Unit
SCLK period
t
SCY
16X
1.6
0.59
µ
s
Vcc
=
3 V
±
10%
t
SCY
/2
−
4X
−
110
290
38
ns
Output data
→
SCLK rising/falling edge
*
Vcc
=
2 V
±
10%
t
OSS
t
SCY
/2
−
4X
−
180
220
−
ns
SCLK rising/falling edge
*
→
Output data hold
t
OHS
t
SCY
/2
+
2X
+
0
1000
370
ns
SCLK rising/falling edge
*
→
Input data hold
t
HSR
3X
+
10
310 121 ns
SCLK rising/falling edge
*
→
Valid data input
t
SRD
t
SCY
−
0
1600 592
ns
Valid data input
→
SCLK rising/falling edge
*
t
RDS
0
0 0
ns
Note: SCLK rising/falling edge:
The rising edge is used in SCLK rising mode.
The falling edge is used in SCLK falling mode.
(2)
SCLK output mode
Variable
10 MHz
27 MHz
Parameter Symbol
Min
Max
Min
Max Min Max
Unit
SCLK period
t
SCY
16X 8192X
1.6
819
0.59
303
µ
s
Output data
→
SCLK rising/falling edge
*
t
OSS
t
SCY
/2
−
40
760
256 ns
SCLK rising/falling edge
*
→
Output data hold
t
OHS
t
SCY
/2
−
40
760
256 ns
SCLK rising/falling edge
*
→
Input data hold
t
HSR
0
0 0 ns
SCLK rising/falling edge
*
→
Valid data input
t
SRD
t
SCY
−
1X
−
180
1320 375 ns
Valid data input
→
SCLK rising/falling edge
*
t
RDS
1X
+
180
280
217 ns
t
SRD
t
HSR
t
SCY
Output data
TXD
SCLK
(Input mode)
SCLK
Output mode/
input mode
0
t
OSS
t
OHS
1 3
0
1
3
2
2
Valid
Input data
RXD
Valid Valid Valid