参数资料
型号: BR24L32FJ-WE2
厂商: Rohm Semiconductor
文件页数: 4/41页
文件大小: 0K
描述: IC EEPROM 32KBIT 400KHZ 8SOP
标准包装: 1
格式 - 存储器: EEPROMs - 串行
存储器类型: EEPROM
存储容量: 32K (4K x 8)
速度: 400kHz
接口: I²C,2 线串口
电源电压: 1.8 V ~ 5.5 V
工作温度: -40°C ~ 85°C
封装/外壳: 8-SOIC(0.154",3.90mm 宽)
供应商设备封装: 8-SOP-J
包装: 标准包装
产品目录页面: 1379 (CN2011-ZH PDF)
其它名称: BR24L32FJ-WE2DKR
BR24L □□ -W Series,BR24S □□□ -W Series
● Action timing characteristics (Unless otherwise specified, Ta= - 40 ~ +85 ℃ , V CC =1.8 ~ 5.5V) *1
Technical Note
FAST-MODE
STANDARD-MODE
Parameter Symbol
2.5V ≦ Vcc ≦ 5.5V
1.8V ≦ Vcc ≦ 5.5V
Unit
Min.
Typ.
Max.
Min.
Typ.
Max.
SCL frequency
Data clock “HIGH“ time
Data clock “LOW“ time
SDA, SCL rise time *2
fSCL
tHIGH
tLOW
tR
-
0.6
1.2
-
-
-
-
-
400
-
-
0.3
-
4.0
4.7
-
-
-
-
-
100
-
-
1.0
kHz
μ s
μ s
μ s
SDA, SCL fall time
*2
tF
-
-
0.3
-
-
0.3
μ s
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 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:W
P
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
-
-
-
μ s
μ s
ns
ns
μ s
μ s
μ s
μ s
ms
μ s
ns
μ s
μ s
*1 BR24L02/16/32-W : 1.7 ~ 5.5V
*2 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 ~ 5.5V , 400kHz, namely, action is made in FASTMODE. (Action is
made also in STANDARD-MODE) Vcc=1.8V~2.5V is only action in 100kHz STANDARD-MODE.
www.rohm.com
? 2009 ROHM Co., Ltd. All rights reserved.
4/40
2009.09 - Rev.D
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