X9279 Xicor, X9279 Datasheet - Page 16

• Manufacturer Part Number: X9279
• Description: Single Digitally-Controlled (XDCP) Potentiometer
• Manufacturer: Xicor

X9279
EQUIVALENT A.C. LOAD CIRCUIT
AC TIMING
HIGH-VOLTAGE WRITE CYCLE TIMING
REV 1.1.7 2/6/03
t
f
t
t
t
t
t
t
t
t
t
t
t
t
T
t
t
t
WR
SCL
CYC
HIGH
LOW
SU:STA
HD:STA
SU:STO
SU:DAT
HD:DAT
R
F
AA
DH
BUF
SU:WPA
HD:WPA
Symbol
I
Symbol
SDA pin
Clock Frequency
Clock Cycle Time
Clock High Time
Clock Low Time
Start Setup Time
Start Hold Time
Stop Setup Time
SDA Data Input Setup Time
SDA Data Input Hold Time
SCL and SDA Rise Time
SCL and SDA Fall Time
SCL Low to SDA Data Output Valid Time
SDA Data Output Hold Time
Noise Suppression Time Constant at SCL and SDA inputs
Bus Free Time (Prior to Any Transmission)
A0, A1 Setup Time
A0, A1 Hold Time
5V
High-voltage write cycle time (store instructions)
100pF
1533Ω
SDA pin
Parameter
Parameter
www.xicor.com
3V
867 Ω
100pF
R
H
10pF
Characteristics subject to change without notice.
C
SPICE Macromodel
L
2500
1300
1200
Min.
Typ.
600
600
600
600
100
R
30
50
0
0
0
TOTAL
5
R
W
25pF
C
W
Max.
Max.
400
300
300
0.9
10
10pF
C
L
R
L
Units
Units
kHz
µs
ms
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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