參數(shù)資料
型號(hào): TC1232COE
廠商: TelCom Semiconductor, Inc.
英文描述: MICROPROCESSOR MONITOR
中文描述: 微處理器監(jiān)控
文件頁(yè)數(shù): 5/6頁(yè)
文件大?。?/td> 65K
代理商: TC1232COE
5-23
TELCOM SEMICONDUCTOR, INC.
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6
5
4
3
1
2
8
TC1232
MICROPROCESSOR MONITOR
RST
V
IL
t
PB
RST
t
PBD
V
IH
t
RST
PB RST
Figure 3. Push-button Reset. The debounced PB RST input
ignores input pulses less than 1msec and is guaranteed
to recognize pulses of 20msec or greater
Figure 4. Strobe Input
Figure 5. Power-Down Slew Rate
Figure 6. Power-Up Slew Rate
+4.75V
t
F
V
CC
+4.25V
t
R
V
CC
+4.25V
+4.75V
t
ST
ST
t
TD
NOTE:
t
TD IS THE MAXIMUM ELAPSED TIME BETWEEN ST HIGH-TO-LOW
TRANSITIONS (ST IS ACTIVATED BY FALLING EDGES ONLY) WHICH
WILL KEEP THE WATCHDOG TIMER FROM FORCING THE RESET
OUTPUTS ACTIVE FOR A TIME OF tRST. tTD IS A FUNCTION OF THE
VOLTAGE AT THE TD PIN, AS TABULATED BELOW.
CONDITON
MIN
TYP
MAX
TD PIN = 0V
TD PIN = OPEN
TD PIN = VCC
62.5msec
250msec
500msec
150msec
600msec
1200msec
250msec
1000msec
2000msec
t
TD
PUSH-BUTTON RESET
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