參數(shù)資料
型號: BR24L32
廠商: Rohm CO.,LTD.
英文描述: 4k】8 bit electrically erasable PROM
中文描述: 4K的】8位電可擦除可編程ROM
文件頁數(shù): 5/26頁
文件大小: 443K
代理商: BR24L32
BR24L32-W / BR24L32F-W / BR24L32FJ-W / BR24L32FV-W
Memory ICs
5/25
z
AC operating characteristics
(Unless otherwise specified Ta
=
40 to 85
°
C, V
CC
=
1.8 to 5.5V)
Parameter
Symbol
Fast-mode
2.5V
Vcc
5.5V
Min.
Typ.
Standard-mode
1.8V
Vcc
5.5V
Min.
Typ.
Unit
fSCL
kHz
tHIGH
Noise spike width (SDA and SCL)
tWR
tI
ms
Data clock "HIGH" period
Clock frequency
μ
s
μ
s
Data clock "LOW" period
tLOW
SDA and SCL rise time
Not 100% tested.
tR
μ
s
μ
s
μ
s
μ
s
SDA and SCL fall time
tF
Start condition hold time
tHD:STA
Start condition setup time
tSU:STA
Input data hold time
tHD:DAT
ns
Input data setup time
tSU:DAT
ns
Output data delay time
Output data hold time
tPD
μ
s
μ
s
μ
s
Stop condition setup time
tDH
Bus free time
tSU:STO
tBUF
0.6
1.2
0.6
0.6
0
100
0.1
0.1
0.6
1.2
Max.
400
5
0.3
0.3
0.9
4.0
4.7
4.0
4.7
0
250
0.2
0.2
4.7
4.7
Max.
100
tSU:WP
WP high period
μ
s
μ
s
0.1
0.1
5
0.1
1.0
0.3
3.5
WP setup time
tHD:WP
ns
μ
s
0
0.1
0
μ
s
Write cycle time
WP hold time
tHIGH:WP
1.0
1.0
=
=
=
=
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