参数资料
型号: 24LC32AFT-I/MS
厂商: Microchip Technology
文件页数: 3/30页
文件大小: 0K
描述: IC SRL EEPROM 4KX8 2.5V 8-MSOP
标准包装: 2,500
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: 2.5 V ~ 5.5 V
工作温度: -40°C ~ 85°C
封装/外壳: 8-TSSOP,8-MSOP(0.118",3.00mm 宽)
供应商设备封装: 8-MSOP
包装: 带卷 (TR)
24AA32AF/24LC32AF
TABLE 1-2:
AC CHARACTERISTICS
Electrical Characteristics:
AC CHARACTERISTICS
Industrial (I): V CC = +1.7V to 5.5V T A = -40°C to +85°C
Automotive (E): V CC = +2.5V to 5.5V T A = -40°C to 125°C
Param.
No.
1
Sym.
F CLK
Characteristic
Clock frequency
Min.
Max.
100
Units
kHz
Conditions
1.7V ≤ V CC < 2.5V
400
2.5V ≤ V CC ≤ 5.5V
2
3
T HIGH
T LOW
Clock high time
Clock low time
4000
600
4700
ns
ns
1.7V ≤ V CC < 2.5V
2.5V ≤ V CC ≤ 5.5V
1.7V ≤ V CC < 2.5V
1300
2.5V ≤ V CC ≤ 5.5V
4
T R
SDA and SCL rise time
1000
ns
1.7V ≤ V CC < 2.5V
(Note 1)
300
2.5V ≤ V CC ≤ 5.5V
5
T F
SDA and SCL fall time
300
ns
(Note 1)
6
T HD : STA
Start condition hold time
4000
ns
1.7V ≤ V CC < 2.5V
600
2.5V ≤ V CC ≤ 5.5V
7
T SU : STA
Start condition setup time
4700
ns
1.7V ≤ V CC < 2.5V
600
2.5V ≤ V CC ≤ 5.5V
8
9
T HD : DAT
T SU : DAT
Data input hold time
Data input setup time
0
250
ns
ns
(Note 2)
1.7V ≤ V CC < 2.5V
100
2.5V ≤ V CC ≤ 5.5V
10
11
T SU : STO
T SU : WP
Stop condition setup time
WP setup time
4000
600
4000
ns
ns
1.7 V ≤ V CC < 2.5V
2.5 V ≤ V CC ≤ 5.5V
1.7V ≤ V CC < 2.5V
600
2.5V ≤ V CC ≤ 5.5V
12
T HD : WP
WP hold time
4700
ns
1.7V ≤ V CC < 2.5V
1300
2.5V ≤ V CC ≤ 5.5V
13
14
T AA
T BUF
Output valid from clock
(Note 2)
Bus free time: Time the bus
4700
3500
900
ns
ns
1.7V ≤ V CC < 2.5V
2.5V ≤ V CC ≤ 5.5V
1.7V ≤ V CC < 2.5V
must be free before a new
1300
2.5V ≤ V CC ≤ 5.5V
transmission can start
15
T OF
Output fall time from V IH
10 +
250
ns
(Note 1)
minimum to V IL maximum
C B ≤ 100 pF
0.1C B
16
T SP
Input filter spike suppression
50
ns
(Notes 1 and 3)
(SDA and SCL pins)
17
T WC
Write cycle time (byte or
5
ms
page)
18
Endurance
1,000,000
cycles 25°C (Note 4)
Note 1: Not 100% tested. C B = total capacitance of one bus line in pF.
2: As a transmitter, the device must provide an internal minimum delay time to bridge the undefined region
(minimum 300 ns) of the falling edge of SCL to avoid unintended generation of Start or Stop conditions.
3: The combined T SP and V HYS specifications are due to new Schmitt Trigger inputs, which provide improved
noise spike suppression. This eliminates the need for a T I specification for standard operation.
4: This parameter is not tested but ensured by characterization. For endurance estimates in a specific
application, please consult the Total Endurance? Model, which can be obtained from Microchip’s web site
at www.microchip.com.
? 2009 Microchip Technology Inc.
DS22184A-page 3
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