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参数资料
| 型号： | MAX697CPE+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 6/15页 |
| 文件大小： | 0K |
| 描述： | IC SUPERVISOR MPU 16-DIP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 25 |
| 类型： | 多压监控器 |
| 监视电压数目： | 2 |
| 输出： | 推挽式，推挽式 |
| 复位： | 高有效/低有效 |
| 复位超时： | 最小为 35 ms |
| 电压 - 阀值： | 可调节/可选择 |
| 工作温度： | 0°C ~ 70°C |
| 安装类型： | 通孔 |
| 封装/外壳： | 16-DIP（0.300"，7.62mm） |
| 供应商设备封装： | 16-PDIP |
| 包装： | 管件 |
Microprocessor Supervisory Circuits
Pin Description (continued)
MAX696
—
—
—
PIN
MAX697
1
12
13
NAME
TEST
CE OUT
CE IN
FUNCTION
Used During Maxim Manufacture Only. Always ground this pin.
CE OUT goes low only when CE IN is low and LL IN is above 1.3V. See Figure 5.
The Input to the CE Gating Circuit. Connect to GND or V OUT if not used.
+5V
V CC
INPUT
0.1 μ F
3
5
0.1 μ F
1
V BATT
V CC
BATT ON
V OUT
2
3V
BATTERY
CMOS
9
4
PFI
MAX696
11
RAM
A0–A15
7
GND
WDI
PFO
10
I/O
NMI
NO CONNECTION
8
13
OSC IN
OSC SEL
LL IN
RESET
RESET
15
18
RESET
LOW LINE
6
WDO
14
MICROPROCESSOR
RESET
AUDIBLE
ALARM
OTHER SYSTEM RESET SOURCES
SYSTEM STATUS INDICATORS
Figure 1. MAX696 Typical Application
Typical Applications
MAX696
A typical connection for the MAX696 is shown in Figure
1. CMOS RAM is powered from V OUT . V OUT is internally
connected to V CC when power is present, or to V BATT
when V CC is less than the battery voltage. V OUT can sup-
ply 50mA from V CC , but if more current is required, an
external pnp transistor can be added. When V CC is high-
er than V BATT , the BATT ON output goes low, providing
7mA of base drive for the external transistor. When V CC
is lower than V BATT , an internal 200 ? MOSFET connects
the backup battery to V OUT . The quiescent current in the
battery-backup mode is 1μA maximum when V CC is
between 0V and (V BATT - 700mV).
Reset Output
A voltage detector monitors V CC and generates a RESET
output to hold the microprocessor’s RESET line low when
LL IN is below 1.3V. An internal monostable holds RESET
6
_______________________________________________________________________________________
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX697CPE+ | 功能描述:监控电路 MPU Supervisor RoHS:否 制造商:STMicroelectronics 监测电压数: 监测电压: 欠电压阈值: 过电压阈值: 输出类型:Active Low, Open Drain 人工复位:Resettable 监视器:No Watchdog 电池备用开关:No Backup 上电复位延迟（典型值）:10 s 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UDFN-6 封装:Reel |
| MAX697CWE | 功能描述:监控电路 RoHS:否 制造商:STMicroelectronics 监测电压数: 监测电压: 欠电压阈值: 过电压阈值: 输出类型:Active Low, Open Drain 人工复位:Resettable 监视器:No Watchdog 电池备用开关:No Backup 上电复位延迟（典型值）:10 s 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UDFN-6 封装:Reel |
| MAX697CWE+ | 功能描述:监控电路 MPU Supervisor RoHS:否 制造商:STMicroelectronics 监测电压数: 监测电压: 欠电压阈值: 过电压阈值: 输出类型:Active Low, Open Drain 人工复位:Resettable 监视器:No Watchdog 电池备用开关:No Backup 上电复位延迟（典型值）:10 s 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UDFN-6 封装:Reel |
| MAX697CWE+T | 功能描述:监控电路 MPU Supervisor RoHS:否 制造商:STMicroelectronics 监测电压数: 监测电压: 欠电压阈值: 过电压阈值: 输出类型:Active Low, Open Drain 人工复位:Resettable 监视器:No Watchdog 电池备用开关:No Backup 上电复位延迟（典型值）:10 s 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UDFN-6 封装:Reel |
| MAX697CWE-T | 功能描述:监控电路 RoHS:否 制造商:STMicroelectronics 监测电压数: 监测电压: 欠电压阈值: 过电压阈值: 输出类型:Active Low, Open Drain 人工复位:Resettable 监视器:No Watchdog 电池备用开关:No Backup 上电复位延迟（典型值）:10 s 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UDFN-6 封装:Reel |
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