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PCF8549U/2 数据表(PDF) 21 Page - NXP Semiconductors

部件名 PCF8549U/2
功能描述  65 x 102 pixels matrix LCD driver
PDF  36 Pages
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制造商  PHILIPS [NXP Semiconductors]
网页  http://www.nxp.com
标志 PHILIPS - NXP Semiconductors

PCF8549U/2 数据表(HTML) 21 Page - NXP Semiconductors

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1997 Nov 21
21
Philips Semiconductors
Product specification
65
× 102 pixels matrix LCD driver
PCF8549
DC CHARACTERISTICS
Table 7
VDD1 = 1.5 to 6 V; VDD2/2_HV = 2.4 to 5.0 V; VDD2 = VDD2_HV; VSS1 = VSS2 = VSS2_HV = 0 V; VLCD =7to16V;
Tamb = −40 to +85 °C; unless otherwise specified.
Note
1. When a display is connected the IVDD2_HV increases with 7 x display load current due to 7 stage charge pump.
2. With external VLCD, the display load current does not translate into increased IVDD2_HV.
3. For TC1, TC2 and TC3
4. The maximum possible VLCD voltage that may be generated is dependent on voltage (VDD2/2_HV), temperature and
(display) load.
5. VDD2 VDD2_HV connected together
6. Difference to the theoretical value given by equation 1
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNIT
VDD1
Logic supply
voltage range
1.5
3
6
V
VDD2,
VDD2_HV
HV Generator
supply range
2.4
5
V
IVDD1
supply current
internal VLCD
VLCD = 10.0V; fscl = 0;
display load = 0;
30
80
µA
IVDD2/2_HV supply current
internal VLCD
VLCD = 10.0V; fscl = 0;
display load = 0; (1)(5)
600
1200
µA
IVDD1
supply current
external VLCD
VLCD = 10.0V; fscl = 0;
display load = 0;
30
80
µA
IVDD2/2_HV supply current
external VLCD
VLCD = 10.0V; fscl = 0;
display load = 0; (2)(5)
010
µA
IVDD1
supply current
power-down mode; VLCD = 0V;
fscl = 0; display load = 0
0.5
10
µA
ILCD
supply current
external VLCD
VLCD = 10 V; fSCL= 0,
display load = 0; (2)
50
130
µA
VLCD(tol)
VLCD tolerance
internal generated
VDD = 2.7V; VLCD = 10V; fSCL = 0;
display load = 0;(3)(4)(6)
+/- 500
mV
VIL
LOW level input volt-
age
VSS
0.3VDD V
VIH
HIGH level input
voltage
0.7 VDD
VDD
V
IOL
LOW level output
current (SDA)
VOL = 0.4V;
VDD1 =5V
3.0
mA
IL
leakage current
VI = VDD1 or VSS1
-1
+1
µA
RROW
Row output resis-
tance R0 to R64
12
20
kOhm
RCOL
Column output resis-
tance C0 to C101
12
20
kOhm



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