LM12434CIWM NSC [National Semiconductor], LM12434CIWM Datasheet - Page 13

• Manufacturer Part Number: LM12434CIWM
• Description: Sign Data Acquisition System with Serial I/O and Self-Calibration
• Manufacturer: NSC [National Semiconductor]

(See Figure Below)
t
t
t
t
t
2 0 Electrical Specifications
2 3 DIGITAL SWITCHING CHARACTERISTICS The following specifications apply to the LM12434 and LM12 L 438 for V
e
Boldface limits apply for T
2 3 4 I
The switching characteristics of the LM12434 8 for I
I
LM12434 8 They are not the I
17
18
19
20
21
2
C bus The following parameters given here are the timing relationships between SCL and SDA signals related to the
V
D
Symbol
a e
2
C Bus Interface
5V 3 3V
AGND
SCL (Clock) Period
Data in Set-Up Time to SCL High
Data Out Stable after SCL Low
SDA Low Set-Up Time to SCL
Low (Start Condition)
SDA High Hold Time after SCL
High (Stop Condition)
2
A
e
C bus specifications
e
DGND
Parameter
T
J
e
e
T
MIN
0V C
(Continued)
to T
L
2
(load capacitance) on output lines
MAX
C bus interface fully meets or exceeds the published specifications of the
all other limits for T
13
Conditions
A
(Note 10)
e
Typical
T
J
e
e
25 C (Notes 6 7 and 9) (Continued)
80 pF unless otherwise specified
2500 10000
900 1400
(Note 11)
Limits
TL H 11879 – 22
30
40
40
ns (max)
ns (min)
ns (min)
ns (min)
ns (min)
(Limit)
Units
A
a