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AT24C128B
Table 5-3.
AC Characteristics (Industrial Temperature)
Applicable over recommended operating range from T AI = ?? 40 ? C to +85 ? C, V CC = +1.8V to +5.5V, CL = 100 pF (unless oth-
erwise noted). Test conditions are listed in Note 2.
1.8-volt
2.5, 5.5-volt
Symbol
Parameter
Min
Max
Min
Max
Units
f SCL
t LOW
t HIGH
t i
Clock Frequency, SCL
Clock Pulse Width Low
Clock Pulse Width High
Noise Suppression Time (1)
1.3
0.6
400
100
0.4
0.4
1000
50
kHz
μs
μs
ns
t AA
t BUF
t HD.STA
t SU.STA
t HD.DAT
t SU.DAT
t R
Clock Low to Data Out Valid
Time the bus must be free before a
new transmission can start (1)
Start Hold Time
Start Set-up Time
Data In Hold Time
Data In Set-up Time
(1)
Inputs Rise Time
0.05
1.3
0.6
0.6
0
100
0.9
0.3
0.05
0.5
0.25
0.25
0
100
0.55
0.3
μs
μs
μs
μs
μs
ns
μs
Inputs Fall Time
t F
t SU.STO
t DH
t WR
(1)
Stop Set-up Time
Data Out Hold Time
Write Cycle Time
0.6
50
300
5
0.25
50
100
5
ns
μs
ns
ms
Endurance (1)
25°C, Page Mode, 3.3V
1,000,000
Write
Cycles
Notes:
1. This parameter is ensured by characterization and is not 100% tested.
2. AC measurement conditions:
R L (connects to V CC ): 1.3 k ? (2.5V, 5.5V), 10 k ? (1.8V)
Input pulse voltages: 0.3 V CC to 0.7 V CC
Input rise and fall times: ? 50 ns
Input and output timing reference voltages: 0.5 V CC
5
5296A–SEEPR–1/08
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功能描述:电可擦除可编程只读存储器 SERIAL 电可擦除可编程只读存储器 128K (16K x 8) 2WIRE 1.7V RoHS:否 制造商:Atmel 存储容量:2 Kbit 组织:256 B x 8 数据保留:100 yr 最大时钟频率:1000 KHz 最大工作电流:6 uA 工作电源电压:1.7 V to 5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8