Datasheet

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NA555 , NE555 , SA555 , SE555
PRECISION TIMERS
SLFS022F – SEPTEMBER 1973 – REVISED JUNE 2006
ORDERING INFORMATION
V
THRES
T
A
MAX PACKAGE
(1)
ORDERABLE PART NUMBER TOP-SIDE MARKING
V
CC
= 15 V
PDIP – P Tube of 50 NE555P NE555P
Tube of 75 NE555D
SOIC – D NE555
Reel of 2500 NE555DR
0 ° C to 70 ° C 11.2 V
SOP – PS Reel of 2000 NE555PSR N555
Tube of 150 NE555PW
TSSOP – PW N555
Reel of 2000 NE555PWR
PDIP – P Tube of 50 SA555P SA555P
–40 ° C to 85 ° C 11.2 V Tube of 75 SA555D
SOIC – D SA555
Reel of 2000 SA555DR
PDIP – P Tube of 50 NA555P NA555P
–40 ° C to 105 ° C 11.2 V Tube of 75 NA555D
SOIC – D NA555
Reel of 2000 NA555DR
PDIP – P Tube of 50 SE555P SE555P
Tube of 75 SE555D
SOIC – D SE555D
–55 ° C to 125 ° C 10.6 Reel of 2500 SE555DR
CDIP – JG Tube of 50 SE555JG SE555JG
LCCC – FK Tube of 55 SE555FK SE555FK
(1) Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are available at
www.ti.com/sc/package.
FUNCTION TABLE
TRIGGER THRESHOLD DISCHARGE
RESET OUTPUT
VOLTAGE
(1)
VOLTAGE
(1)
SWITCH
Low Irrelevant Irrelevant Low On
High <1/3 V
DD
Irrelevant High Off
High >1/3 V
DD
>2/3 V
DD
Low On
High >1/3 V
DD
<2/3 V
DD
As previously established
(1) Voltage levels shown are nominal.
2
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