参数资料
| 型号： | XRP6336ISCXDATR-F |
| 厂商： | Exar Corporation |
| 文件页数： | 7/10页 |
| 文件大小： | 0K |
| 描述： | IC SUPERVISOR WATCHDOG 8TSOT |
| 产品变化通告： | SP6336 Number Change 5/Apr/2011 |
| 标准包装： | 2,500 |
| 类型： | 多压监控器 |
| 监视电压数目： | 3 |
| 输出： | 开路漏极或开路集电极 |
| 复位： | 低有效 |
| 复位超时： | 最小为 37 ms |
| 电压 - 阀值： | 1.11V，3.075V，可调 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | SOT-23-8 薄型，TSOT-23-8 |
| 供应商设备封装： | TSOT-23-8 |
| 包装： | 带卷 (TR) |
| 其它名称： | SP6336EK1-L-X-D-A/TR SP6336EK1-L-X-D-A/TR-ND |
X R P 6 3 3 6
T r i p l e μ P o w e r S u p e r v i s o r y C i r c u i t
w i t h W a t c h d o g a n d P o w e r F a i l
THEORY OF OPERATION
The XRP6336 includes a low-voltage precision
bandgap reference, three precision
comparators, an oscillator, a digital counter
chain, a logic control block, trimmed resistor
divider chains and additional supporting
circuitry. This device is designed to supervise
up to 3 independent supply voltages.
V1 and V2 supply inputs have their resistor
dividers on the chip. Their trip thresholds are
APPLICATION INFORMATION
Fig. 4: Timing Diagram for XRP6336
Fig. 6: XRP6336 Watchdog Timeout Period
factory trimmed. V3 input allows users to
customize an additional supply threshold to be
monitored by means of external resistor
dividers. Each part is furnished with power fail
indication and watchdog functionalities. The
watchdog timer is serviced internally during
the watchdog timeout period when WDI is left
unconnected. Thus, watchdog functionality can
be disabled via leaving the WDI input floating.
Fig. 5: RESETB Timeout Period (400ms)
Fig. 7: V1 and V2 Glitch Rejection
? 2011 Exar Corporation
7/10
Rev. 1.0.0
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