OM4068 Philips Semiconductors, OM4068 Datasheet - Page 19

• Manufacturer Part Number: OM4068
• Description: LCD driver for low multiplex rates
• Manufacturer: Philips Semiconductors

Philips Semiconductors
AC CHARACTERISTICS
V
Note
1. All timing values are valid within the operating supply voltage and ambient temperature range and are referenced to
1998 Jun 18
handbook, full pagewidth
f
f
Bus timing characteristics: serial bus interface; note 1
f
t
t
t
t
t
t
t
t
t
fr(LCD)
osc
SCLK
SCLKL
SCLKH
su(D)
h(D)
r
f
su(en)(SDEH-SCLKH)
su(dis)(SCLKL-SDEL)
PHL(SDOUT)
DD
LCD driver for low multiplex rates
V
= 2.5 to 5.5 V; V
SYMBOL
IL
and V
IH
with an input voltage swing of V
LCD frame frequency (internal clock)
oscillator frequency (not available at any pin)
SCLK clock frequency
SCLK clock LOW period
SCLK clock HIGH period
data set-up time
data hold time
SCLK, SDIN rise time
SCLK, SDIN fall time
enable set-up time (SDE HIGH to SCLK HIGH)
disable set-up time (SCLK LOW to SDE LOW)
SDOUT HIGH-to-LOW propagation delay
SS
SDOUT
SCLK
SDIN
= 0 V; V
SCE
LCD
t su(en)(SDEH-SCLKH)
= 5.0 V; T
t SCLKH t SCLKL
t h(D)
PARAMETER
amb
Fig.11 Serial data timing.
SS
t su(D)
= 40 to +105 C; unless otherwise specified.
to V
DD
.
19
t PHL(SDOUT)
t su(dis)(SCLKL-SDEL)
50
116
0
190
190
100
100
250
250
100
MIN.
t r
t f
84
224
10
10
TYP.
MBK824
Product specification
175
405
2.1
MAX.
OM4068
Hz
kHz
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
UNIT