SMS2916 查看數據表（PDF） - Summit Microelectronics
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SMS2916 Datasheet PDF : 14 Pages
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VTRIP
VRVALID
VCC
RESET#
RESET
SMS2902/SMS2904/SMS2916
tGLITCH
tPURST
tRPD
tPURST
FIGURE 2. RESET OUTPUT TIMING
tRPD
2028 T fig02 2.0
RESET CIRCUIT AC and DC ELECTRICAL CHARACTERISTICS
TA=-40°C to +85°C
Symbol
Parameter
Part no.
Suffix
VTRIP
Reset Trip Point
A (or) Blank
B
2.7
tPURST
Reset Timeout
tRPD
VTRIP to RESET Output Delay
VRVALID
RESET Output Valid to VCC min. Guarantee
tGLITCH
Glitch Reject Pulse Width note 1
VOLRS
RESET Output Low Voltage IOL = 1mA
VOHRS
RESET High Voltage Output IOH = 800µA
VULH
VSENSE Under-voltage threshold low to high
VUHL
VSENSE Under-voltage threshold high to low
VOLH
VSENSE Over-voltage threshold low to high
VOHL
VSENSE Over-voltage threshold high to low
tVD1
Delay to VLOW Active
tVD2
Delay to VLOW Released
tWDTO
Watchdog timeout Period
Min.
4.250
4.50
2.55
1
VCC-.75
1.20
1.20
1.20
1.20
Typ.
4.375
4.625
2.65
200
30
1.25
1.25
1.25
1.25
1600
Max.
4.5
4.75
2.75
5
0.4
1.30
1.30
1.30
1.30
5
5
Unit
V
V
V
ms
µs
V
ns
V
V
V
V
V
V
µs
µs
ms
2028 5.0 4/18/00
4
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