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BU99901GUZ-W (32Kbit)
Datasheet
● Electrical characteristics
(Unless otherwise specified Ta=-40 ℃ to 85 ℃ ? V CC =1.7V to 3.6V)
Parameter
Symbol
Limits
Min Typ. Max.
Unit Condition
"H" Input Voltage1
"L" Input Voltage1
"H" Input Voltage2
"L" Input Voltage2
"H" Input Voltage3
"L" Input Voltage3
"L" Output Voltage1
"L" Output Voltage2
Input Leakage Current
Pull Up Resistance
Output Leakage Current
Current consumption
at action
Standby Current
V IH1
V IL1
V IH2
V IL2
V IH3
V IL3
V OL1
V OL2
I LI
I LI2
I LO
I CC1
I CC2
I SB
0.7Vcc
-0.3
0.8Vcc
-0.3
0.9Vcc
-0.3
－
－
-1
6
-1
－
－
－
－
－
－
－
－
－
－
－
－
－
Vcc+1.0
0.3Vcc
Vcc+1.0
0.2Vcc
Vcc+1.0
0.1Vcc
0.4
0.2
1
14
1
4.1
1.7
2.0
V
V
V
V
V
V
V
V
μA
k Ω
μA
mA
μA
2.5V ≦ Vcc ≦ 3.6V
2.5V ≦ Vcc ≦ 3.6V
1.8V ≦ Vcc ＜ 2.5V
1.8V ≦ Vcc ＜ 2.5V
1.7V ≦ Vcc ＜ 1.8V
1.7V ≦ Vcc ＜ 1.8V
I OL =3.0mA , 2.5V ≦ Vcc ≦ 3.6V (SDA)
I OL =0.7mA , 1.7V ≦ Vcc ＜ 2.5V (SDA)
V IN =0 to Vcc (WP, TEST)
(SCL,SDA)
V OUT =0 to Vcc (SDA)
Vcc=3.3V , f SCL =400kHz, tWR=5ms
Byte Write, Page Write
Vcc=3.6V , f SCL =400kHz
Random read, Current read, Sequential read
Vcc=3.6V, SDA ,SCL=Vcc, WP=GND
● Action timing characteristics
(Unless otherwise specified Ta=-40 ℃ to 85 ℃ ? V CC =1.7V to 3.6V)
FAST-MODE
STANDARD-MODE
Parameter
Symbol
2.5V ≦ Vcc ≦ 3.6V
1.7V ≦ Vcc ≦ 3.6V
Unit
Min. Typ. Max. Min. Typ. Max.
SCL Frequency
Data clock "High" time
Data clock "Low" time
fSCL
tHIGH
tLOW
－
0.6
1.2
－
－
－
400
－
－
－
4.0
4.7
－
－
－
100
－
－
kHz
μs
μs
SDA, SCL rise time
SDA, SCL fall time
*1
*1
tR
tF
－
－
－
－
0.3
0.3
－
－
－
－
1.0
0.3
μs
μs
Start condition hold time
Start condition setup time
Input data hold time
Input data setup time
Output data delay time
Output data hold time
Stop condition data setup time
Bus release time before transfer start
Internal write cycle time
Noise removal valid period
(SDA,SCL terminal)
WP hold time
WP setup time
WP valid time
tHD:STA
tSU:STA
tHD:DAT
tSU:DAT
tPD
tDH
tSU:STO
tBUF
tWR
tI
tHD:WP
tSU:WP
tHIGH:WP
0.6
0.6
0
100
0.1
0.1
0.6
1.2
－
－
0
0.1
1.0
－
－
－
－
－
－
－
－
－
－
－
－
－
－
－
－
－
0.9
－
－
－
5
0.1
－
－
－
4.0
4.7
0
250
0.2
0.2
4.7
4.7
－
－
0
0.1
1.0
－
－
－
－
－
－
－
－
－
－
－
－
－
－
－
－
－
3.5
－
－
－
5
0.1
－
－
－
μs
μs
ns
ns
μs
μs
μs
μs
ms
μs
ns
μs
μs
*1 Not 100% tested
● FAST-MODE and STANDARD-MODE
FAST-MODE and STANDARD-MODE are of same actions, and mode is changed. They are distinguished by action speeds.
100kHz action is called STANDARD-MODE, and 400kHz action is called FAST-MODE. This action frequency is the
maximum action frequency, so 100kHz clock may be used in FAST-MODE. When power source voltage goes down, action
at high speed is not carried out, therefore, at Vcc=2.5V to 5.5V, 400kHz, namely, action is made in FASTMODE. (Action is
made also in STANDARD-MODE) Vcc=1.8V to 2.5V is only action in 100kHz STANDARD-MODE.
www.rohm.com
? 2012 ROHM Co., Ltd. All rights reserved.
TSZ22111 ? 15 ? 001
2/23
TSZ02201-0R2R0G100280-1-2
4.SEP.2012 Rev.001
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