SPC8104 S-MOS Systems, SPC8104 Datasheet - Page 50

• Manufacturer Part Number: SPC8104
• Description: VGA LCD CONTROLLER
• Manufacturer: S-MOS Systems

7.0
Pixel Clock:
MEMEN input:
T
PDCLK input:
The following are tables of timing parameters and min/max values. These tables are followed by
waveforms defining these parameters.
Hardware Functional Specification
SP1-24
ml
CLK Signal Dependant Input Timing
If MEMEN is to be used as a DRAM refresh clock source in Suspend mode, then T
as short as possible, but 50 ns greater than the minimum RAS pulse width required by the
DRAM.
Propagation Delay Time
Conditions:
= low pulse width of MEMEN
T
T
T
S
m
p
A.C. CHARACTERISTICS
=
=
=
S-MOS Systems, Inc. • Tel: [phone] • Fax: [phone] • http://www.smos.com
------------ -
f
------------------ -
f
---------------- -
f
CLKI
PDCLK
MEMEN
1
1
1
HV
T
C
C
C
r
L
L
L
, T
DD
= 50 pF (LCD Panel Interface)
= 80 pF (CPU Bus Interface)
= 20 pF (Video Memory Interface)
f
for all CMOS inputs must be < 5 nsec (V
= 3.3V 10%
LV
DD
= 2.5V 10%
X15-SP-001-08.1
IN
= 0.1 V
T
a
= 0 C to 70 C
DD
~ 0.9 V
DD
ml
)
should be
412-1.0
SPC8104