参数资料
| 型号： | MAX6369KA-T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 6/10页 |
| 文件大小： | 0K |
| 描述： | IC WATCHDOG TIMER SOT23-8 |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 1 |
| 类型： | 监视器电路 |
| 监视电压数目： | 1 |
| 输出： | 开路漏极或开路集电极 |
| 复位： | 低有效 |
| 复位超时： | 可调节/可选择 |
| 电压 - 阀值： | 可调节/可选择 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | SOT-23-8 |
| 供应商设备封装： | SOT-23-8 |
| 包装： | 剪切带 (CT) |
| 其它名称： | MAX6369KA-TCT |
MAX6369–MAX6374
Pin-Selectable Watchdog Timers
V CC
WDI
MAX6369–MAX6374
TRANSITION
DETECTOR
EN
SET 2
SET 1
CONTROL
LOGIC
ENABLE
CLEAR
SET 0
SET WATCHDOG TIMEOUT
OUT
OUTPUT
WDO
SET STARTUP DELAY
WATCHDOG
TIMER CIRCUITRY
GND
Figure 1. Functional Diagram
V CC
t SETUP
t DELAY
t WD
t WD
t WD
WDI
A
A
B
C
D
E F
G
E
WDO
A TRANSITIONS ON WDI IGNORED DURING SETUP DELAY.
B TRANSITION(S) ON WDI IGNORED DURING STARTUP DELAY PERIOD.
C WATCHDOG TIMER STARTS AFTER STARTUP DELAY AND WDO IS DEASSERTED.
D TRANSITION OCCURS BEFORE WATCHDOG TIMEOUT PERIOD. WATCHDOG
TIMER CLEARS AND STARTS TIMER AGAIN.
E WATCHDOG TIMES OUT, WDO ASSERTS.
F TRANSITIONS ON WDI IGNORED WHEN WDO ASSERTED.
G WATCHDOG TIMER STARTS AFTER WDO DEASSERTS.
Figure 2. Watchdog Timing
t WDO
? Watchdog Timeout Period:
Normal operating watchdog timeout period after the
initial startup delay.
A watchdog output pulse is asserted if a valid watch-
dog input transition is not received before the timeout
period elapses.
Eight pin-selectable timeout period options for each
device, from 30μs to 60s.
Pin-selectable watchdog timer disable feature.
6
? Watchdog Output/Timing Options:
Open drain, active low with 100ms minimum watch-
dog output pulse (MAX6369/MAX6371/MAX6373).
Push-pull, active low with 1ms minimum watchdog
output pulse (MAX6370/MAX6372/MAX6374).
Each device has a watchdog startup delay that is initi-
ated when the supervisor is first powered or after the
user modifies any of the logic control set inputs. The
watchdog timer does not begin to count down until the
Maxim Integrated
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相关代理商/技术参数 |
参数描述 |
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| MAX636AC/D | 功能描述:直流/直流开关调节器 Preset/Adjustable Output CMOS Inverting Switching Regulators RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5 |
| MAX636ACJA | 功能描述:直流/直流开关调节器 RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5 |
| MAX636ACPA | 功能描述:直流/直流开关调节器 Preset/Adjustable Invert Switching Reg RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5 |
| MAX636ACPA+ | 功能描述:直流/直流开关调节器 Preset/Adjustable Invert Switching Reg RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5 |
| MAX636ACSA | 功能描述:直流/直流开关调节器 Preset/Adjustable Invert Switching Reg RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5 |
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