Transko Electronics, Inc. 3981 E. Miraloma Ave. CA 92806 USA

Tel: 714-528-8080 Fax: 714-528-8017 Website: www.transko.com E-mail: sales@transko.com

Ver. 2: Sep. 2013

Transko Cal Crystal Comclok. 3981 E. Miraloma Ave. Anaheim, CA 92806 USA

Tel: 714-528-8000 Fax: 714-528-8017 Website: www.transko.com E-mail: sales@transko.com

TSL21

RoHS

Compliant

Rev.0: Mar. 2017

MINIATURE SMD REAL TIME CLOCK (2.0 x 1.6 x 0.8mm)

FEATURES:



CMOS OUTPUT @ 32.768kHz



LOW VOLTAGE



LOW CURRENT

Transko Electronics, Inc reserves the right to make changes to the product (s), service (s), and specification (s) described herein without notice. See “Terms of Sale” for details on our website.

■ PART NUMBERING GUIDE

■ PACKAGE DIMENSIONS

■ SOLDER PATTERN

■ REFLOW PROFILE

Pin Configuration

1

En/Dis

2

GND

3

Output

4

VDD

Unit : mm

2.00

1

2

3

4

Marking

Unit :mm

0.85

0.75

1.05

1.35

Stability

00: ± 100ppm

50: ± 50ppm

20: ± 20ppm

XX: Two digit for

Stability

Product series

Output

H: CMOS

TSL21

H 20 CQ 33 S

32.768K

TR

T

Tape and Reel

TR:

3000/reel

Blank: Cut tape

Operating Temperature

A: -55

B: -50

C: -40

D: -35

E: -30

F: -20

G: -10

H: 0

J: 50

K: 60

M: 70

N: 75

P: 80

Q: 85

R: 90*

S: 100*

T: 105*

U: 125*

X:custom

Symmetry

S: 45/55%

Supply Voltage

18: 1.8 Volt

25: 2.5 Volt

33: 3.3 Volt

50: 5.0 Volt

Frequency

K: KHZ

Note: Consult factory for detail

Soldering

255 ±5°C

150 ±5°C

Pre-heating

<10 Sec

<120 Sec

170 ±5°C

Tristate

T: En/Disable

*0.01µF to 0.1µF bypass capacitor recommended

■ SPECIFICATION

FREQUENCY

32.768kHz

FREQUENCY STABILITY

±20ppm ~ ±100ppm

OPERATING TEMPERATURE RANGE

STD: 0°C ~ 70°C, Option: -40°C ~ 85°C (See P/N guide for other options)

STORAGE TEMPERATURE RANGE

-

55°C ~ 125°C

SUPPLY VOLTAGE ±10%

1.8VDC ~ 5.0VDC

SUPPLY CURRENT

240µA max.

OUTPUT

LOGIC FAMILY

CMOS

LOAD

15pF

LEVEL LOGIC ‘1’ (VOH)

0.9 x VDD min.

LEVEL LOGIC ‘0’ (VOL)

0.1 x VDD max.

SYMMETRY(DUTY CYCLE)

45% / 55% @ 1/2VDD level

RISE AND FALL TIME (Tr/Tf)

200nS Max.

START-UP TIME

10mS Max.

STAND-BY

VOLTAGE

ENABLE (VIH)

0.7 x VDD ≤ VIH ≤ VDD or N/C

DISABLE (VIL)

VIL ≤ 0.3 x VDD

AGING @ +25°C ±3°C

±3.0ppm / 1st year max.

PHASE JITTER RMS (12kHz ~ 20MHz)

1pS max.

1

2

3

4

0.70

0.575

0.475

*consult with factory for availability