yac526 Yamatake Corporation, yac526 Datasheet - Page 8

• Manufacturer Part Number: yac526
• Description: Electric Variable Resistance
• Manufacturer: Yamatake Corporation

8
SCLK
SDATAI
SDATAO
CSN
6. AC characteristics C
SDATAO output data hold time (data output stop)
CSN, SCLK fall time
Regulation time until the data writing from a power
supply injection (more than AVSS=90%) to LSI
becomes effective.
Serial clock frequency
Serial clock pulse width high
Serial clock pulse width Low
SDATAI set up time
SDATAI hold time
CSN pulse width High
CSN set up time
CSN hold time
SDATAO data output set up time
SDATAO output delay time
CSN, SCLK rise time
Zero-cross time out (Zero-cross MODE=A, C)
Zero-cross time out (Zero-cross MODE=B)
90%
V
IL
（
(C
REF
t
L
CSVS
10%
t
=20pF
CSH
V
V
t
F
V
OL
IL
Item
=10 F)
IH
μ
）
t
PH
t
MSB
PL
V
V
IH
IL
Fig 1 Serial port timing
V
V
IL
IH
V
V
t
IL
SDVS
IH
t
SDH
SCLK
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
PH
PL
SDVS
SDH
CSPH
CSVS
LTH
CSH
SSD
CSDH
R
F
TM1
TM2
PUP
V
t
t
Symbol
SSD
R
IL
90%
V
V
IL
IH
10%
V
OL
1000
Min.
500
500
200
200
500
200
0
V
t
IL
Typ.
LTH
20
10
200
YAC526
V
t
CSDH
V
IL
Max.
IH
300
300
200
100
100
1.0
400
t
CSPH
V
OL
V
Unit
IH
MHz
ms
ms
ms
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns