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Part Name
Description
NJU6538 View Datasheet(PDF) - Japan Radio Corporation
Part Name
Description
Manufacturer
NJU6538
1/8, 1/9, 1/10 Duty BITMAP LCD DRIVER with KEY SCAN
Japan Radio Corporation
NJU6538 Datasheet PDF : 27 Pages
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NJU6538
AC Characteristics
VDD=2.7 to 5.5V, Ta= - 40 to 85
°
C
PARAMETER
SYMBOL
CONDITION
MIN
TYP
MAX UNIT
NOTE
“L” level
clock pulse width
t
WCLL
SCL
160
ns
“H” level
clock pulse width
t
WCLH
SCL
160
ns
Data setup time
t
DS
SCL, SIO
160
ns
Data hold time
t
DH
SCL, SIO
160
ns
CE wait time
t
CP
CE, SCL
160
ns
CE setup time
t
CS
CE, SCL
160
ns
CE hold time
t
CH
CE, SCL
160
ns
CE ”L” level width
t
WCL
CE
160
ns
SIO output delay time
t
DC
SIO rise time
t
DR
SIO, Rpu=4.7k
Ω
, CL=10pF
SIO, Rpu=4.7k
Ω
, CL=10pF
1.5
µ
s
1
1.5
µ
s
SCL rise tine
t
r
15
ns
SCL fall time
t
f
15
ns
SO terminal is Open-Drain type output, so that the characteristics of SO terminal are changed by values of pull-up resistance
Rpu and CL.
(1) Write operation
CE
SCL
SIO
t
WCLL
t
WCLH
t
CP
t
CS
t
f
D
0
t
DS
t
DH
t
CH
t
WCL
t
r
D
1
(2) Key data read operation
CE
SCL
SIO
t
CP
t
CS
t
WCLH
t
WCLL
t
r
t
f
t
DC
INVALID
D
0
t
CH
t
DR
Ver.2003-05-09
- 25 -
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