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參數資料
| 型號： | AN231E04 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | Dynamically Reconfigurable dpASP |
| 中文描述： | 動態可重構dpASP |
| 文件頁數： | 6/24頁 |
| 文件大小： | 445K |
| 代理商： | AN231E04 |
AN231E04 Datasheet – Dynamically Reconfigurable dpASP
DS231000-U001d
- 6 -
1.4 Digital I/O Characteristics continued (VDD = 3.3v +/-10%, -40 to 85 deg.C unless commented)
1.4.4
Pins ERRb (Open Drain, CMOS transistor)
Parameter
Input Voltage Low
Input Voltage High
Symbol
Vil
Vih
Min
0
70
Typ
Max
30
100
Unit
%
%
Comment
% of DVDD,
% of DVDD
10KOhm to VDD
VDD = 3.3 V.
10KOhm to VDD
VDD = 3.3 V.
Maximum load 10 pF // 50 Kohm
at full BW
Maximum load 10 pF // 50 Kohm
at full BW
Pin shorted to VDD.
Current should be limited
externally so that it does not
exceed 3mA
Pin shorted to VSS
MUST be used
Output Voltage Low
Vol
VSS
-
7.0
mV
Output Voltage High
Voh
3.29
-
VDD
V
Max. Capacitive Load
Cmax
-
-
10
pF
Min. Resistive Load
Rmin
50
-
-
Kohm
Current Sink
Isnkmax
50
-
110
mA
Current Source
External Resistive Pullup
Isrcmax
Rpullupext
-
-
+/-1
10
μA
Kohm
10
10
1.4.5
Pins ACTIVATE, CFGFLGb
These pins are Open Drain CMOS transistors, with optional user configurable internal pull-up resistor
We also note that the output voltage on these pins is “sensed” by internal circuitry, (see figure 2 below)
Parameter
Input Voltage Low
Input Voltage High
Symbol
Vil
Vih
Min
0
70
Typ
Max
30
100
Unit
%
%
Comment
% of DVDD
% of DVDD
Pin load = Internal pullup + external
10pF//50K to VSS
VDD = 3.3 V.
Pin load = Internal pullup + external
10pF//50K to VSS
VDD = 3.3 V.
Pin load = 5K to VSS
VDD = 3.3 V.
Pin load = 5K + 10pF to VSS
Maximum load 10 pF // 50 Kohm
at full BW
Maximum load 10 pF // 50 Kohm
at full BW
Pin shorted to VDD.
Pin shorted to VSS.
Default, not used with external
pullup.
Optional - to be used only if
internal pullup is deselected
Output Voltage Low
Vol
80
-
140
mV
Output Voltage High, internal
pull-up.
Voh
3.05
-
3.16
V
Output Voltage Low, external
pull-up.
Output Voltage High
VolE
529
-
773
mV
V
Voh
VDD
-
VDD
Max. Capacitive Load
Cmax
-
-
10
pF
Min. Resistive Load
Rmin
50
-
-
Kohm
Current Sink, pull down only
Current Source, pull up only
Isnkmax
Isrcmax
1.8
0.34
-
-
3.7
1.1
mA
mA
Internal Resistive Pullup
Rpullupint
3.5
5.3
8.4
Kohm
External Resistive Pullup
Rpullupext
5
7.5
10
Kohm
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