参数资料
型号: CAT1025WI-42-GT3
厂商: ON Semiconductor
文件页数: 5/20页
文件大小: 0K
描述: IC SUPERVISR CPU 2K EEPROM 8SOIC
标准包装: 3,000
类型: 简单复位/加电复位
监视电压数目: 1
输出: 开路漏极或开路集电极
复位: 高有效/低有效
复位超时: 最小为 130 ms
电压 - 阀值: 4.25V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 8-SOIC(0.154",3.90mm 宽)
供应商设备封装: 8-SOIC
包装: 带卷 (TR)
CAT1024, CAT1025
CAPACITANCE
T A = 25oC, f = 1.0 MHz, V CC = 5 V
Symbol
Test
Test Conditions
Max
Units
C OUT
Output Capacitance
V OUT = 0 V
8
pF
C IN
(1)
Input Capacitance
V IN = 0 V
6
pF
AC CHARACTERISTICS
V CC = 2.7 V to 5.5 V and over the recommended temperature conditions, unless otherwise specified.
Memory Read & Write Cycle (2)
Symbol
Parameter
Min
Max
Units
t R
f SCL
t SP
t LOW
t HIGH
(1)
Clock Frequency
Input Filter Spike Suppression (SDA, SCL)
Clock Low Period
Clock High Period
SDA and SCL Rise Time
1.3
0.6
400
100
300
kHz
ns
μs
μs
ns
t F
(1)
SDA and SCL Fall Time
300
ns
t HD; STA
t SU; STA
t HD; DAT
t SU; DAT
t SU; STO
t AA
t DH
Start Condition Hold Time
Start Condition Setup Time (for a Repeated Start)
Data Input Hold Time
Data Input Setup Time
Stop Condition Setup Time
SCL Low to Data Out Valid
Data Out Hold Time
0.6
0.6
0
100
0.6
50
900
μs
μs
ns
ns
μs
ns
ns
t BUF
(1)
Time the Bus must be Free Before a New Transmission Can Start
1.3
μs
t WC(3)
Write Cycle Time (Byte or Page)
5
ms
Notes:
(1) This parameter is characterized initially and after a design or process change that affects the parameter. Not 100% tested.
(2) Test Conditions according to “AC Test Conditions” table.
(3) The write cycle time is the time from a valid stop condition of a write sequence to the end of the internal program/erase cycle. During the
write cycle, the bus interface circuits are disabled, SDA is allowed to remain high and the device does not respond to its slave address.
? 2009 SCILLC. All rights reserved.
Characteristics subject to change without notice
5
Doc. No. MD-3008 Rev. R
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