Electronic Components Datasheet Search
  English  ▼

Delete All
ON OFF
ALLDATASHEET.COM

X  

Preview PDF Download HTML

R2045S Datasheet(PDF) 5 Page - RICOH electronics devices division

Part No. R2045S
Description  4-wire Serial Interface Real Time Clock Module
Download  50 Pages
Scroll/Zoom Zoom In 100% Zoom Out
Maker  RICOH [RICOH electronics devices division]
Homepage  http://www.ricoh.com
Logo 

R2045S Datasheet(HTML) 5 Page - RICOH electronics devices division

 
Zoom Inzoom in Zoom Outzoom out
 5 / 50 page
background image
R2045S/D
5
DC ELECTRICAL CHARACTERISTICS
Unless otherwise specified: VSS=0V,VDD=3V,Topt=-40 to +85
°C
Symbol
Item
Pin Name
Condition
Min.
Typ.
Max.
Unit
VIH
“H” Input Voltage
0.8x
VDD
5.5
VIL
“L” Input Voltage
CE,
SCLK,
SI
VDD=1.7 to 5.5V
-0.3
0.2x
VDD
V
IOH
“H” Output
Current
SO
VOH=VDD-0.5V
-0.5
mA
IOL1
INTR
2.0
IOL2
“L” Output Current
SO,
32KOUT
VOL=0.4V
0.5
mA
IIL
Input Leakage
Current
SCLK, SI
VI=5.5V or VSS
VDD=5.5V
-1.0
1.0
µA
RDNCE
Pull-down
Resistance
CE
40
120
400
k
IOZ1
SO
VO=5.5V or VSS
VDD=5.5V
-1.0
1.0
IOZ2
Output Off-state
Leakage Current
INTR ,
32KOUT
VO=5.5V
-1.0
1.0
µA
IDD1
VDD
VDD=3V,
CE, SCLK, SI, SO,
INTR , 32KOUT
=VSS
32KOUT disabled
0.48
1.20
IDD2
VDD
VDD=5V,
CE, SCLK, SI, SO,
INTR , 32KOUT
=VSS
32KOUT disabled
0.60
1.80
IDD3
Time Keeping
Current
VDD
VDD=3V,
CE, SCLK, SI, SO,
INTR , 32KOUT
=VSS
32KOUT enabled
0.65
2.00
µA
VDETH
Supply Voltage
Monitoring Voltage
(“H”)
VDD
Topt=-30 to +70
°C
1.90
2.10
2.30
V
VDETL
Supply Voltage
Monitoring Voltage
(“L”)
VDD
Topt=-30 to +70
°C
1.15
1.30
1.45
V


Html Pages

1  2  3  4  5  6  7  8  9  10  11  12  13  14  15  16  17  18  19  20  21  22  23  24  25  26  27  28  29  30  31  32  33  34  35  36  37  38  39  40  41  42  43  44  45  46  47  48  49  50 


Datasheet Download




Link URL




Privacy Policy
ALLDATASHEET.COM
Does ALLDATASHEET help your business so far?  [ DONATE ]  

About Alldatasheet   |   Advertisement   |   Datasheet Upload   |   Contact us   |   Privacy Policy   |   Alldatasheet API   |   Link Exchange   |   Manufacturer List
All Rights Reserved© Alldatasheet.com


Mirror Sites
English : Alldatasheet.com  |   English : Alldatasheet.net  |   Chinese : Alldatasheetcn.com  |   German : Alldatasheetde.com  |   Japanese : Alldatasheet.jp
Russian : Alldatasheetru.com  |   Korean : Alldatasheet.co.kr  |   Spanish : Alldatasheet.es  |   French : Alldatasheet.fr  |   Italian : Alldatasheetit.com
Portuguese : Alldatasheetpt.com  |   Polish : Alldatasheet.pl  |   Vietnamese : Alldatasheet.vn