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BR24G128F-3 Datasheet(PDF) 3 Page - Rohm

Part # BR24G128F-3
Description  I2C BUS EEPROM (2-Wire)
Download  37 Pages
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Manufacturer  ROHM [Rohm]
Direct Link  http://www.rohm.com
Logo ROHM - Rohm

BR24G128F-3 Datasheet(HTML) 3 Page - Rohm

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BR24G128-3
TSZ02201-0R2R0G100230-1-2
04.Jul.2013 Rev.004
©2013 ROHM Co., Ltd. All rights reserved.
TSZ22111・15・001
www.rohm.com
AC Characteristics (Unless otherwise specified, Ta=-40°C to +85°C, VCC=1.6V to 5.5V)
Parameter
Symbol
Limit
Unit
Min
Typ
Max
Clock Frequency
fSCL
-
-
400
kHz
Data Clock High Period
tHIGH
0.6
-
-
µs
Data Clock Low Period
tLOW
1.2
-
-
µs
SDA, SCL (INPUT) Rise Time
(1)
tR
-
-
1.0
µs
SDA, SCL (INPUT) Fall Time
(1)
tF1
-
-
1.0
µs
SDA (OUTPUT) Fall Time
(1)
tF2
-
-
0.3
µs
Start Condition Hold Time
tHD:STA
0.6
-
-
µs
Start Condition Setup Time
tSU:STA
0.6
-
-
µs
Input Data Hold Time
tHD:DAT
0
-
-
ns
Input Data Setup Time
tSU:DAT
100
-
-
ns
Output Data Delay Time
tPD
0.1
-
0.9
µs
Output Data Hold Time
tDH
0.1
-
-
µs
Stop Condition Setup Time
tSU:STO
0.6
-
-
µs
Bus Free Time
tBUF
1.2
-
-
µs
Write Cycle Time
tWR
-
-
5
ms
Noise Spike Width (SDA and SCL)
tI
-
-
0.1
µs
WP Hold Time
tHD:WP
1.0
-
-
µs
WP Setup Time
tSU:WP
0.1
-
-
µs
WP High Period
tHIGH:WP
1.0
-
-
µs
(1) Not 100% TESTED.
Condition Input data level:VIL=0.2×VCC VIH=0.8×VCC
Input data timing reference level: 0.3×VCC/0.7×VCC
Output data timing reference level: 0.3×VCC/0.7×VCC
Rise/Fall time : ≦20ns
Serial Input / Output Timing
SCL
SDA
(入力)
SDA
(出力)
tR
tF1
tHIGH
tSU:DAT
tLOW
tHD:DAT
tDH
tPD
tBUF
tHD:STA
70%
30%
70%
70%
30%
70% 70%
30%
30%
70%
70%
30%
70%
70%
70%
70%
30%
30%
30%
30%
tF2
(INPUT)
(OUTPUT)
Input read at the rise edge of SCL
Data output in sync with the fall of SCL
Figure 2-(a). Serial Input / Output Timing
Figure 2-(b). Start-Stop Bit Timing
Figure 2-(c). Write Cycle Timing
Figure 2-(d). WP Timing at Write Execution
Figure 2-(e). WP Timing at Write Cancel
70%
70%
tSU:STA
tHD:STA
START CONDITION
tSU:STO
STOP CONDITION
30%
30%
70%
70%
D0
ACK
tWR
write data
(n-th address)
START CONDITION
STOP CONDITION
70%
70%
DATA(1)
D0
ACK
D1
DATA(n)
ACK
tWR
30%
70%
STOP CONDITION
tHD:WP
tSU:WP
30%
70%
DATA(1)
D0
D1
ACK
DATA(n)
ACK
tHIGH:WP
70%
70%
tWR
70%


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