LM12434CIWM NSC [National Semiconductor], LM12434CIWM Datasheet - Page 12

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

2 0 Electrical Specifications
2 3 DIGITAL SWITCHING CHARACTERISTICS The following specifications apply to the LM12434 and LM12 L 438 for V
Boldface limits apply for T
2 3 3 TMS320 Interface Mode
e
(See Figure Below)
t
t
t
t
t
t
t
t
22
23
24
25
26
27
28
29
V
D
a e
Symbol
5V 3 3V
AGND
SCLK (Serial Clock) Period
FSX Set-Up Time to SCLK High
FSX Hold Time from SCLK High
Data in (DX) Set-Up
Time to SCLK Low
Data in DX Hold Time from
SCLK Low
FSR High from SCLK High
FSR Low from SCLK Low
SCLK High to Data
Out (DR) Change
A
e
e
DGND
T
Parameter
J
e
e
T
MIN
0V C
(Continued)
to T
L
(load capacitance) on output lines
MAX
all other limits for T
12
Conditions
A
e
(Note 10)
T
Typical
J
e
e
25 C (Notes 6 7 and 9) (Continued)
80 pF unless otherwise specified
125 167
30 120
80 100
(Note 11)
30 50
TL H 11879 – 23
Limits
120
10
90
0
ns (max)
ns (max)
ns (max)
ns (min)
ns (min)
ns (min)
ns (min)
ns (min)
(Limit)
Units
A
a