參數(shù)資料
型號： 935198780557
廠商： NXP SEMICONDUCTORS
元件分類： 顯示驅(qū)動器
英文描述： LIQUID CRYSTAL DISPLAY DRIVER, PQFP64
封裝： PLASTIC, LQFP-64
文件頁數(shù)： 17/43頁
文件大小： 327K
代理商： 935198780557
1997 Apr 01
24
Philips Semiconductors
Product specication
LCD column driver for dot matrix graphic
displays
PCF8579
12 DC CHARACTERISTICS
VDD = 2.5 to 6 V; VSS =0V; VLCD =VDD 3.5 V to VDD 9V;Tamb = 40 to +85 °C; unless otherwise specied.
Notes
1. Outputs are open; inputs at VDD or VSS; I2C-bus inactive; clock with 50% duty factor.
2. Resets all logic when VDD <VPOR.
3. Periodically sampled; not 100% tested.
4. Resistance measured between output terminal (C0 to C39) and bias input (V3, V4, VDD and VLCD) when the specified
current flows through one output under the following conditions (see Table 1):
a)
Vop =VDD VLCD =9V;
b)
V3 VLCD ≥ 4.70 V; V4 VLCD ≤ 4.30 V; ILOAD = 100 A.
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
Supplies
VDD
supply voltage
2.5
6.0
V
VLCD
LCD supply voltage
VDD 9
VDD 3.5 V
IDD
supply current
fCLK = 2 kHz; note 1
920
A
VPOR
power-on reset level
note 2
1.3
1.8
V
Logic
VIL
LOW level input voltage
VSS
0.3VDD
V
VIH
HIGH level input voltage
0.7VDD
VDD
V
ILI1
leakage current at pins SDA, SCL,
SYNC, CLK, TEST, SA0, A0, A1, A2
and A3
Vi =VDD or VSS
1
+1
A
IOL
LOW level output current at pin SDA
VOL = 0.4 V; VDD =5V 3
mA
Ci
input capacitance
note 3
5pF
LCD outputs
ILI2
leakage current at pins V3 to V4
Vi =VDD or VLCD
2
+2
A
VDC
DC component of LCD drivers pins
C0 to C39
±20
mV
RCOL
output resistance at pins C0 to C39
note 4
36
k
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