參數(shù)資料
型號(hào): CAT809ZTPI-T10
元件分類(lèi): 電源管理
英文描述: 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO3
封裝: PLASTIC, SOT-23, 3-PIN
文件頁(yè)數(shù): 11/12頁(yè)
文件大?。?/td> 78K
代理商: CAT809ZTPI-T10
8
CAT809, CAT810
Preliminary Information
Doc. No. 3004, Rev. P
Patent Pending
VALID RESET WITH VCC UNDER 1.0 V
To ensure that the CAT809
RESET pin is in a known state when VCC is under 1.0 V, a 100 k
pull-down resistor
between
RESET pin and GND is recommended; the value is not critical. For the CAT810, a pull-up resistor from
RESET pin to VCC is needed.
BI-DIRECTIONAL RESET PIN INTERFACING
The CAT809/810 can interface with
P/C bi-directional reset pins by connecting a 4.7 k resistor in series with the
CAT809/810 reset output and the
P/C bi-directional reset pin.
CAT809
GND
VCC
100k
Power
Supply
RESET
CAT810
GND
VCC
100k
Power
Supply
RESET
FIGURE 3.
RESET
RESET Valid with VCC Under 1.0 V
FIGURE 4. RESET Valid with VCC Under 1.1 V
FIGURE 5. Bi-directional Reset Pin Interfacing
CAT809
GND
VCC
4.7k
Power
Supply
RESET
Buffered
RESET
BUF
RESET
INPUT
GND
Bi-directional I/O Pin
P
(For example: 68HC11)
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