TSC80251G2D
11.6 AC Characteristics - SSLC: SPI Interface
Definition of symbols
Table 54. SPI Interface Timing Symbol Definitions
Signals
Conditions
C
I
Clock
H
L
High
Data In
Data Out
SS#
Low
O
S
V
X
Z
Valid
No Longer Valid
Floating
Timings
Table 55. SPI Interface AC Timing; V = 2.7 to 5.5 V, T = -40 to 85°C
DD
A
Symbol
Parameter
Min
Max
Unit
Slave mode(1)
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
Clock Period
8
T
T
T
CHCH
CHCX
CLCX
OSC
Clock High Time
Clock Low Time
SS# Low to Clock edge
3.2
3.2
200
100
100
OSC
OSC
, T
ns
SLCH
SLCL
IVCH
CHIX
, T
Input Data Valid to Clock Edge
Input Data Hold after Clock Edge
Output Data Valid after Clock Edge
Output Data Hold Time after Clock Edge
SS# High after Clock Edge
Input Data Valid to Clock Edge
Input Data Hold after Clock Edge
SS# Low to Output Data Valid
Output Data Hold after SS# High
SS# High to SS# Low
ns
ns
ns
ns
ns
ns
ns
ns
ns
IVCL
CLIX
, T
T
100
CLOV, CHOV
, T
0
CLOX
CHOX
CHSH
IVCH
, T
0
CLSH
, T
, T
100
100
IVCL
CLIX
CHIX
130
130
SLOV
SHOX
SHSL
ILIH
(2)
Input Rise Time
2
µs
µs
ns
ns
Input Fall Time
2
IHIL
Output Rise time
100
100
OLOH
OHOL
Output Fall Time
Rev. A - May 7, 1999
49