Datasheet

TLC556, TLC556Y
DUAL LinCMOS TIMERS
SLFS047B – FEBRUARY 1984 – REVISED SEPTEMBER 1997
2
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
AVAILABLE OPTIONS
T
A
V
DD
PACKAGE
CHIP FORM
T
A
RANGE
V
DD
RANGE
SMALL OUTLINE
(D)
CHIP CARRIER
(FK)
CERAMIC DIP
(J)
PLASTIC DIP
(N)
CHIP
FORM
(Y)
O°C
to
70°C
2 V
to
18 V
TLC556CD TLC556CN TLC556Y
–4O°C
to
85°C
3 V
to
18 V
TLC556lD TLC556IN
–55°C
to
125°C
5 V
to
18 V
TLC556MD TLC556MFK TLC556MJ TLC556MN
The D package is available taped and reeled. Add the suffix R to the device type (e.g., TLC556CDR).
FUNCTION TABLE
RESET
VOLTAGE
†
TRIGGER
VOLTAGE
†
THRESHOLD
VOLTAGE
†
OUTPUT
DISCHARGE
SWITCH
< MIN Irrelevant Irrelevant L On
> MAX < MIN Irrelevant H Off
>MAX >MAX >MAX L On
> MAX > MAX < MIN As previously established
†
For conditions shown as MIN or MAX, use the appropriate value specified under electrical characteristics.
functional block diagram (each timer)
OUT
DISCH
R1
R
S
1
RESET
CONT
V
DD
THRES
R
R
R
GND
TRIG
3
5
1
4
14
2
6
7
RESET can override TRIG and THRES.
TRIG can override THRES.
Pin numbers shown are for the D, J, or N packages.