X9448-2.7 XICOR [Xicor Inc.], X9448-2.7 Datasheet - Page 12

• Manufacturer Part Number: X9448-2.7
• Description: Mixed Signal with 2-Wire Interface
• Manufacturer: XICOR [Xicor Inc.]

A.C. TEST CONDITIONS
Note: (1) Applicable to recall and power consumption applications
X9448
CAPACITANCE
Power-Up Timing and Sequence
REV 1.0 6/21/00
TIMING DIAGRAMS
START and STOP Timing
g
Input Timing
I nput pulse levels
Input rise and fall times
Input and output timing level
Power up sequence
Power down sequence: no limitation
C
Symbol
L
, C
C
C
I/O
H
IN
SDA
SDA
SCL
SCL
, C
W
t
SU:STA
t
CYC
Input/output capacitance (SDA)
Input capacitance (A0, A1, A2, A3, and SCL)
Potentiometer capacitance
(1)
: (1) V
(START)
CC
V
10ns
V
t
(2) V+ and V–
SU:DAT
CC
CC
Test
x 0.1 to V
x 0.5
t
HD:STA
CC
t
R
t
R
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x 0.9
{V+ ≤ V
CC
EQUIVALENT A.C. LOAD CIRCUIT
at all times}
t
F
10/10/25
SD Output
Typical
t
F
8
6
t
HIGH
t
SU:STO
t
HD:DAT
Characteristics subject to change without notice.
5V
Unit
1533Ω
100pF
pF
pF
pF
t
(STOP)
LOW
Test Conditions
t
BUF
2.7V
V
V
I/O
IN
100pF
= 0V
= 0V
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