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參數(shù)資料
| 型號： | S4261SS |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | Dual Voltage Supervisory Circuit With Watchdog Timer |
| 中文描述： | 雙電壓監(jiān)控電路，帶有看門狗定時器 |
| 文件頁數(shù)： | 4/16頁 |
| 文件大?。?/td> | 102K |
| 代理商： | S4261SS |
4
S4242/S42WD42/S4261/S42WD61
2025 6.0 4/17/00
FIGURE 3. RESET OUTPUT TIMING
RESET CIRCUIT AC and DC ELECTRICAL CHARACTERISTICS
TA=-40
°
C to +85
°
C
Symbol
Parameter
Part no.
Suffix
A (or) Blank
B
2.7
Min.
Typ.
Max.
Unit
V
TRIP
Reset Trip Point
4.250
4.50
2.7
4.375
4.625
2.9
200
4.5
4.75
3.10
V
V
V
ms
μs
V
ns
V
V
V
V
V
V
μs
μs
ms
t
PURST
t
RPD
V
RVALID
t
GLITCH
V
OLRS
V
OHRS
V
ULH
V
UHL
V
OLH
V
OHL
t
VD1
t
VD2
t
WDTO
Reset Timeout
V
TRIP
to RESET Output Delay
RESET Output Valid to V
CC
min. Guarantee
Glitch Reject Pulse Width note 1
RESET Output Low Voltage I
OL
= 1mA
RESET High Voltage Output I
OH
= 800μA
V
SENSE
Under-voltage threshold low to high
V
SENSE
Under-voltage threshold high to low
V
SENSE
Over-voltage threshold low to high
V
SENSE
Over-voltage threshold high to low
Delay to V
LOW
Active
Delay to V
LOW
Released
Watchdog timeout Period (S42WD61)
(S42WD42)
5
1
30
0.4
V
CC
-.75
1.20
1.20
1.20
1.20
1.25
1.25
1.25
1.25
1.30
1.30
1.30
1.30
5
5
1600
2025 PGM T5.2
VCC
VRVALID
VTRIP
tPURST
RESET
2025 T fig03 2.0
tGLITCH
tRPD
tPURST
tRPD
RESET#
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