参数资料
型号: 25LC640AX-I/ST
厂商: Microchip Technology
文件页数: 3/36页
文件大小: 0K
描述: IC EEPROM 64KBIT 10MHZ 8TSSOP
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: 10MHz
接口: SPI 3 线串行
电源电压: 2.5 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
产品目录页面: 1450 (CN2011-ZH PDF)
25AA640A/25LC640A
TABLE 1-2:
AC CHARACTERISTICS
AC CHARACTERISTICS
Industrial (I): T A = -40°C to +85°C
Automotive (E): T A = -40°C to +125°C
V CC = 1.8V to 5.5V
V CC = 2.5V to 5.5V
Param.
No.
1
Sym.
F CLK
Characteristic
Clock frequency
Min.
Max.
10
Units
MHz
Test Conditions
4.5V ?? Vcc ? 5.5V
5
3
MHz
MHz
2.5V ?? Vcc ? 4.5V
1.8V ?? Vcc ? 2.5V
2
T CSS
CS setup time
50
100
ns
ns
4.5V ?? Vcc ? 5.5V
2.5V ?? Vcc ? 4.5V
150
ns
1.8V ?? Vcc ? 2.5V
3
T CSH
CS hold time
100
ns
4.5V ?? Vcc ? 5.5V
200
250
ns
ns
2.5V ?? Vcc ? 4.5V
1.8V ?? Vcc ? 2.5V
4
5
T CSD
Tsu
CS disable time
Data setup time
50
10
ns
ns
4.5V ?? Vcc ? 5.5V
20
30
ns
ns
2.5V ?? Vcc ? 4.5V
1.8V ?? Vcc ? 2.5V
6
T HD
Data hold time
20
ns
4.5V ?? Vcc ? 5.5V
40
50
ns
ns
2.5V ?? Vcc ? 4.5V
1.8V ?? Vcc ? 2.5V
7
8
9
T R
T F
T HI
CLK rise time
CLK fall time
Clock high time
50
100
100
ns
ns
ns
(Note 1)
(Note 1)
4.5V ?? Vcc ? 5.5V
100
150
ns
ns
2.5V ?? Vcc ? 4.5V
1.8V ?? Vcc ? 2.5V
10
T LO
Clock low time
50
ns
4.5V ?? Vcc ? 5.5V
100
150
ns
ns
2.5V ?? Vcc ? 4.5V
1.8V ?? Vcc ? 2.5V
11
12
13
T CLD
T CLE
T V
Clock delay time
Clock enable time
Output valid from clock
low
50
50
50
100
ns
ns
ns
ns
4.5V ?? Vcc ? 5.5V
2.5V ?? Vcc ? 4.5V
160
ns
1.8V ?? Vcc ? 2.5V
14
15
T HO
T DIS
Output hold time
Output disable time
0
40
ns
ns
(Note 1)
4.5V ?? Vcc ? 5.5V (Note 1)
80
160
ns
ns
2.5V ?? Vcc ? 4.5V (Note 1)
1.8V ?? Vcc ? 2.5V (Note 1)
16
T HS
HOLD setup time
20
ns
4.5V ?? Vcc ? 5.5V
40
80
ns
ns
2.5V ?? Vcc ? 4.5V
1.8V ?? Vcc ? 2.5V
Note 1: This parameter is periodically sampled and not 100% tested.
2: 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.
3: T WC begins on the rising edge of CS after a valid write sequence and ends when the internal write cycle
is complete.
? 2003-2012 Microchip Technology Inc.
DS21830E-page 3
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