X9258 Xicor, X9258 Datasheet - Page 14

• Manufacturer Part Number: X9258
• Description: Quad Digital Controlled Potentiometers (XDCP)
• Manufacturer: Xicor

X9258
A.C. TEST CONDITIONS
EQUIVALENT A.C. LOAD CIRCUIT
AC TIMING (Over recommended operating condition)
HIGH-VOLTAGE WRITE CYCLE TIMING
REV 1.1.7 2/4/03
I nput pulse levels
Input rise and fall times
Input and output timing level
Symbol
Symbol
t
t
t
t
t
t
t
HD:WPA
SU:WPA
SU:STO
HD:DAT
SU:STA
HD:STA
SU:DAT
t
t
t
SDA Output
f
t
HIGH
LOW
t
CYC
t
t
BUF
SCL
WR
DH
t
t
AA
T
R
F
I
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 rime (prior to any transmission)
WP, A0, A1, A2 and A3 setup time
WP, A0, A1, A2 and A3 hold time
5V
1533Ω
100pF
High-voltage write cycle time (store instructions)
V
10ns
V
CC
CC
x 0.1 to V
x 0.5
2.7V
100pF
Parameter
Parameter
CC
www.xicor.com
x 0.9
Test Circuit #3 SPICE Macro Model
R
H
10pF
Characteristics subject to change without notice.
C
H
Macro Model
R
TOTAL
R
W
2500
1300
1300
Typ.
Min.
600
600
600
600
100
25pF
30
50
50
C
0
0
5
W
10pF
C
Max.
Max.
L
400
300
300
900
10
R
L
Unit
Unit
kHz
14 of 22
ms
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns