参数资料
型号: MAX6864UK42D5L+T
厂商: Maxim Integrated Products
文件页数: 3/17页
文件大小: 0K
描述: IC MPU SUPERVISOR SOT23-5
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
类型: 简单复位/加电复位
监视电压数目: 1
输出: 推挽式,图腾柱
复位: 低有效
复位超时: 最小为 300 ms
电压 - 阀值: 4.2V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: SC-74A,SOT-753
供应商设备封装: SOT-23-5
包装: 带卷 (TR)
Nanopower μP Supervisory Circuits with
Manual Reset and Watchdog Timer
ELECTRICAL CHARACTERISTICS (continued)
(V CC = 1.2V to 5.5V, T A = -40°C to +85°C, unless otherwise specified. Typical values are at V CC = 2.5V, T A = +25°C.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
V CC ≥ 1.1V, I SOURCE = 10μA,
RESET asserted, T A ≥ 0°C
V CC ≥ 1.2V, I SOURCE = 10μA,
RESET asserted
0.8 x V CC
0.8 x V CC
V OH
V CC ≥ 1.53V, I SOURCE = 200μA,
RESET asserted
0.8 x V CC
RESET Output Voltage
V OL
V CC ≥ 2.12V, I SOURCE = 500μA,
RESET asserted
V CC ≥ 1.71V, I SINK = 500μA,
RESET deasserted
V CC ≥ 2.38V, I SINK = 1.2mA,
RESET deasserted
0.8 x V CC
0.3
0.3
V
CT Input Current
CT = GND or V CC
20
nA
CT Input Voltage
V IH
V IL
0.8 x V CC
0.2 x V CC
V
MANUAL RESET INPUT
MR Input Voltage
MR Minimum Pulse Width
MR Glitch Rejection
MR to Reset Delay
V IH
V IL
t MPW
t MRD
0.7 x V CC
1
200
250
0.3 x V CC
V
μs
ns
ns
MR Pullup Resistance
5
10
20
k ?
WATCHDOG TIMER (MAX6864–MAX6869)
WDI Input Voltage
WDI Input Current
V IH
V IL
WDI = GND or V CC
0.7 x V CC
0.3 x V CC
20
V
nA
WDI Pulse Width
t WDI
(Note 3)
150
ns
Watchdog Timeout Period
t WD
S
L
1.5
95
3.3
209
7.75
487
s
Note 1: Devices are tested at T A = +25°C. Specifications for T A = -40°C to +85°C are guaranteed by design.
Note 2: For the MAX6864–MAX6869, the watchdog period is 1s with t RISE and t FALL < 50ns.
Note 3: Guaranteed by design.
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3
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