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EM6821 Datasheet(PDF) 64 Page - EM Microelectronic - MARIN SA

Part # EM6821
Description  Ultra Low Power uController with 4x20 LCD Driver
PDF  68 Pages
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Manufacturer  EMMICRO [EM Microelectronic - MARIN SA]
Direct Link  http://www.emmicroelectronic.com
Logo EMMICRO - EM Microelectronic - MARIN SA

EM6821 Datasheet(HTML) 64 Page - EM Microelectronic - MARIN SA

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EM6821
Copyright
© 2005, EM Microelectronic-Marin SA
64
www.emmicroelectronic.com
20.7 DC characteristics - I/O Pins
Conditions: T= -20 ... 85
°C (unless otherwise specified)
VDD=1.5V means; measures without voltage regulator
VDD=3.0V means; measures with voltage regulator
Parameter
Conditions
Symb.
Min.
Typ.
Max.
Unit
Input Low voltage
Ports A,B,SP Test
VDD < 1.5V
VIL
Vss
0.2VDD
V
Ports A,B,SP Test
VDD > 1.5V
VIL
Vss
0.3VDD
V
QIN with Regulator
VIL
Vss
0.1Vreg
V
QIN without Regulator
VIL
Vss
0.1VDD
V
QOUT (note 7)
Input High voltage
Ports A,B,SP Test
VIH
0.7VDD
VDD
V
QIN with Regulator
VIH
0.9Vreg
Vreg
V
QIN without Regulator
VIH
0.9VDD
VDD
V
QOUT (note 7)
Output Low Current
VDD=1.5V , VOL=0.15V
IOL
0.6
mA
all logic outputs
VDD=1.5V , VOL=0.30V
IOL
1.0
mA
VDD=1.5V , VOL=0.50V
IOL
1.1
1.5
mA
VDD=3.0V , VOL=0.15V
IOL
1.0
mA
VDD=3.0V , VOL=0.30V
IOL
2.0
mA
VDD=3.0V , VOL=0.50V
IOL
3.3
mA
VDD=3.0V , VOL=1.00V
IOL
4.5
6.3
mA
Output High Current
VDD=1.5V, VOH= VDD-0.15V
IOH
-0.5
mA
all logic outputs
VDD=1.5V, VOH= VDD-0.30V
IOH
-0.95
mA
VDD=1.5V, VOH= VDD-0.50V
IOH
-1.3
-0.8
mA
VDD=3.0V, VOH= VDD-0.15V
IOH
-0.95
mA
VDD=3.0V , VOH= VDD-0.30V
IOH
-1.9
mA
VDD=3.0V , VOH= VDD-0.50V
IOH
-3.0
mA
VDD=3.0V , VOH= VDD-1.00V
IOH
-5.6
-3.8
mA
Input Pull-down
VDD=1.5V, Pin at 1.5V, 25
°C
RPD
13k
Ohm
Test
VDD=3.0V, Pin at 3.0V, 25
°C
RPD
13k
Ohm
Input Pull-down
VDD=1.5V, Pin at 1.5V, 25
°C
RPD
120k
150k
200k
Ohm
Port A,B,SP (note 8) weak
VDD=3.0V, Pin at 3.0V, 25
°C
RPD
150k
230k
350k
Ohm
Input Pull-up
VDD=1.5V, Pin at 0.0V, 25
°C
RPU
200k
440k
1000k
Ohm
Port A,B,SP (note 8) weak
VDD=3.0V, Pin at 0.0V, 25
°C
RPU
110k
140k
200k
Ohm
Input Pull-down
VDD=1.5V, Pin at 1.5V, 25
°C
RPD
70k
85k
130k
Ohm
Port A,B,SP (note 8) strong VDD=3.0V, Pin at 3.0V, 25
°C
RPD
70k
85k
130k
Ohm
Input Pull-up
VDD=1.5V, Pin at 0.0V, 25
°C
RPU
70k
88k
133k
Ohm
Port A,B,SP (note 8) strong VDD=3.0V, Pin at 0.0V, 25
°C
RPU
70k
88k
133k
Ohm
Note 7 ; QOUT (OSC2) is used only with Quartz, no other connection allowed
Note 8 : Weak or strong are standing for weak pull or strong pull transistor. Values are for R1=100kOhm



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