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BU1852GUW-E2 Folha de dados(PDF) 2 Page - Rohm

Nome de Peças BU1852GUW-E2
Descrição Electrónicos  Keyencoder IC
Download  26 Pages
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Fabricante Electrônico  ROHM [Rohm]
Página de início  http://www.rohm.com
Logo ROHM - Rohm

BU1852GUW-E2 Folha de dados(HTML) 2 Page - Rohm

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Technical Note
2/25
BU1852GUW, BU1852GXW
www.rohm.com
2012.08 - Rev.B
© 2012 ROHM Co., Ltd. All rights reserved.
Electrical characteristics
1.
DC characteristics (VDD=1.8V, VDDIO=1.8V, Ta=25℃)
Parameter
Symbol
Limits
Unit
Conditions
Min.
Typ.
Max.
Input H Voltage1
VIH1
0.8xVDD
-
3.6
V
1
Input H Voltage2
VIH2
0.8xVDD
-
VDD+0.2
V
2
Input H Voltage3
VIH3
0.8xVDDIO
-
3.6
V
COL[11:0]
Input H Voltage4
VIH4
0.8xVDDIO
-
VDDIO+0.2
V
ADR
Input L Voltage1
VIL1
-0.2
-
0.2xVDD
V
3
Input L Voltage2
VIL2
-0.2
-
0.2xVDDIO
V
ADR, COL[11:0]
Input H Current1
IIH1
-1.0
-
1.0
µA
VIN=3.60V
4
Pull-down/up OFF
Input H Current2
IIH2
-1.0
-
1.0
µA
VIN=1.80V
5
Input L Current
IIL
-1.0
-
1.0
µA
VIN=0V
Pull-down/up OFF
Output H Voltage1
VOH1
0.75xVDD
-
-
V
IOH=-2mA, ROW[7:0]
Output H Voltage2
VOH2
0.75xVDDIO
-
-
V
IOH=-2mA, COL[11:0]
Output L Voltage1
VOL1
-
-
0.25xVDD
V
IOL=2mA,
6
Output L Voltage2
VOL2
-
-
0.25xVDDIO
V
IOL=2mA, COL[11:0]
1
XINT,SCL,SDA,ROW[7:0]
2
XRST,XI,TW,PORENB
3
XINT,SCL,SDA,ROW[7:0],XRST,XI,TW,PORENB
4
XINT,SCL,SDA,ROW[7:0],COL[11:0]
5
XRST,XI,TW,PORENB,ADR
6
XINT,SDA,ROW[7:0]
2.
Circuit Current (VDD=1.8V, VDDIO=1.8V, Ta=25℃)
Parameter
Symbol
Limits
Unit
Conditions
Min.
Typ.
Max.
Power Down Current
(VDD)
IPD
-
-
1.0
µA
XRST=VSS
Power Down Current
(VDDIO)
IPDIO
-
-
1.0
µA
Standby Current1
(VDD)
ISTBY1
-
-
3.0
µA
XRST=VDD,
PORENB=VSS,
SCL=VDD, SDA=VDD
Standby Current1
(VDDIO)
ISTBYIO1
-
-
1.0
µA
Standby Current2
(VDD)
ISTBY2
-
-
1.0
µA
XRST=VDD,
PORENB=VDD,
SCL=VDD, SDA=VDD
Standby Current2
(VDDIO)
ISTBYIO2
-
-
1.0
µA
Operating Current
(VDD)
IOP
-
50
110
µA
Internal oscillator is used.
one key is pressed.


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