參數(shù)資料
型號： 935198780557
廠商： NXP SEMICONDUCTORS
元件分類： 顯示驅動器
英文描述： LIQUID CRYSTAL DISPLAY DRIVER, PQFP64
封裝： PLASTIC, LQFP-64
文件頁數(shù)： 18/43頁
文件大?。?/td> 327K
代理商： 935198780557
1997 Apr 01
25
Philips Semiconductors
Product specication
LCD column driver for dot matrix graphic
displays
PCF8579
13 AC CHARACTERISTICS
All timing values are referred to VIH and VIL levels with an input voltage swing of VSS to VDD.
VDD = 2.5 to 6 V; VSS =0V; VLCD =VDD 3.5 V to VDD 9 V; Tamb = 40 to +85 °C; unless otherwise specied.
Note
1. Typically 0.9 to 3.3 kHz.
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
fclk
clock frequency
50% duty factor
note 1
10
kHz
tPLCD
driver delays
VDD VLCD = 9 V; with test loads
100
s
I2C-bus
fSCL
SCL clock frequency
100
kHz
tSW
tolerable spike width on bus
100
ns
tBUF
bus free time
4.7
s
tSU;STA
START condition set-up time
repeated start codes only
4.7
s
tHD;STA
START condition hold time
4.0
s
tLOW
SCL LOW time
4.7
s
tHIGH
SCL HIGH time
4.0
s
tr
SCL and SDA rise time
1.0
s
tf
SCL and SDA fall time
0.3
s
tSU;DAT
data set-up time
250
ns
tHD;DAT
data hold time
0
ns
tSU;STO
STOP condition set-up time
4.0
s
Fig.17 AC test loads.
MSA916
1.5 k
VDD
SDA
1 nF
C0 to C39
(2%)
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