ADP315PC87570 National Semiconductor, ADP315PC87570 Datasheet - Page 137
ADP315PC87570
Manufacturer Part Number
ADP315PC87570
Description
Keyboard and Power Management Controller
Manufacturer
National Semiconductor
Datasheet
1.ADP315PC87570.pdf
(168 pages)
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19.4 AC ELECTRICAL CHARACTERISTICS
The following abbreviations are used in this section:
RE = Rising Edge
FE = Falling Edge
19.4.1 Definitions
The timing specifications in this section refer to low or high level voltage according to the specific buffer type (TTL or CMOS)
on the rising or falling edges of all the signals, as illustrated in the following figures, unless specifically stated otherwise.
Figure 19-2. CMOS and CMOS High Drive: Output Signals Specification Standard
CLK
SIG1
SIG2
CLK
SIG1
SIG2
Figure 19-3. TTL: Input Signals Specification Standard
V
Figure 19-4. CMOS with Hysteresis Inputs
CHl
0.8V
2.0V
t
SIG2v
t
SIG1v
2.0V
t
t
SIG2h
SIG1h
Device Specifications
t
SIG2s
t
SIG1a
or
or
t
t
setup
setup
SIG1s
SIG2s
t
t
SIG2ia
SIG1ia
V
hys
137
Vcc
Vcc
Vcc
Vcc
t
t
SIG1h
SIG2h
hold
hold
2.0V
0.8V
*
*
*
*
0.3
0.7
0.7
0.3
V
CHh
2.40V
V
V
V
V
OH
2.4V
0.4V
O
OH
OL
, V
, V
, V
, V
OLhd
OHhd
OLhd
OHhd
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