English
Language : 

TLC551 Datasheet, PDF (2/16 Pages) Texas Instruments – LinCMOSE TIMERS
TLC551, TLC551Y
LinCMOS™ TIMERS
SLFS044A – FEBRUARY 1984 – REVISED MAY 1997
AVAILABLE OPTIONS
PACKAGED DEVICES
TA
VDD
RANGE
SMALL
OUTLINE
(D)
SSOP
(DB)
PLASTIC DIP
(P)
TSSOP
(PW)
CHIP FORM
(Y)
0°C to 70°C 1 V to 16 V TLC551CD TLC551CDBLE TLC551CP TLC551CPWLE TLC551Y
The D package is available taped and reeled. Add the suffix R (e.g., TLC551CDR). The DB and PW packages are only
available left-end taped and reeled (indicated by the LE suffix on the device type; e.g., TLC551CDBLE). Chips are
tested at 25°C.
FUNCTION TABLE
RESET
VOLTAGE †
TRIGGER THRESHOLD
VOLTAGE † VOLTAGE †
OUTPUT
DISCHARGE
SWITCH
<MIN
Irrelevant
Irrelevant
Low
On
>MAX
<MIN
Irrelevant
High
Off
>MAX
>MAX
>MAX
Low
On
>MAX
>MAX
<MIN
As previously established
† For conditions shown as MIN or MAX, use the appropriate value specified under
electrical characteristics.
TLC551Y chip information
This chip, when properly assembled, displays characteristics similar to the TLC551. Thermal compression or
ultrasonic bonding may be used on the doped aluminum bonding pads. Chips may be mounted with conductive
epoxy or a gold-silicon preform.
BONDING PAD ASSIGNMENTS
50
THRES
CONT
VDD (5)
(8)
R
(6)
R
RESET
(4)
R1
R1
S
(3)
OUT
(2)
TRIG
R
(1)
GND
(7)
DISCH
64
RESET can override TRIG, which can override THRES.
CHIP THICKNESS: 15 TYPICAL
BONDING PADS: 4 × 4 MINIMUM
TJmax = 150°C
TOLERANCES ARE ± 10%.
ALL DIMENSIONS ARE IN MILS.
PIN (1) IS INTERNALLY CONNECTED
TO BACKSIDE OF CHIP.
2
• POST OFFICE BOX 655303 DALLAS, TEXAS 75265