参数资料
型号: 24FC64-I/ST
厂商: Microchip Technology
文件页数: 4/44页
文件大小: 0K
描述: IC EEPROM 64KBIT 1MHZ 8TSSOP
产品培训模块: I2C Serial EEPROM
标准包装: 100
格式 - 存储器: EEPROMs - 串行
存储器类型: EEPROM
存储容量: 64K (8K x 8)
速度: 400kHz,1MHz
接口: I²C,2 线串口
电源电压: 1.7 V ~ 5.5 V
工作温度: -40°C ~ 85°C
封装/外壳: 8-TSSOP(0.173",4.40mm 宽)
供应商设备封装: 8-TSSOP
包装: 管件
24AA64/24LC64/24FC64
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.
13
Sym.
T AA
Characteristic
Output valid from clock
Min.
Max.
3500
Units
ns
Conditions
1.7V ? V CC ? 2.5V
(Note 2)
900
900
400
2.5V ? V CC ? 5.5V
1.7V ? V CC ? 2.5V 24FC64
2.5V ? V CC ? 5.5V 24FC64
14
T BUF
Bus free time: Time the bus
must be free before a new
4700
1300
ns
1.7V ? V CC ? 2.5V
2.5V ? V CC ? 5.5V
transmission can start
1300
500
1.7V ? V CC ? 2.5V 24FC64
2.5V ? V CC ? 5.5V 24FC64
15
T OF
Output fall time from V IH
10 + 0.1C B
250
ns
All except, 24FC64 (Note 1)
minimum to V IL maximum
C B ? 100 pF
250
24FC64 (Note 1)
16
T SP
Input filter spike suppression
50
ns
All except, 24FC64 (Notes 1
(SDA and SCL pins)
and 3)
17
T WC
Write cycle time (byte or
5
ms
page)
18
Endurance
1,000,000
cycles Page Mode 25°C, 5.5V (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.
FIGURE 1-1:
BUS TIMING DATA
5
2
D3
4
SCL
7
3
8
9
10
SDA
IN
SDA
OUT
16
6
13
14
WP
(protected)
(unprotected)
11
12
DS21189S-page 4
? 1997-2012 Microchip Technology Inc.
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