AK1573 Datasheet, PDF (40/42 Pages) Asahi Kasei Microsystems – Low Noise Integrated VCO

[AK1573/AK1573B/AK1573C]
18.2. Marking
(a) Style
(b) Number of pins
(c) 1 pin marking
(d) Product number
AK1573
AK1573B
AK1573C
(e) Date code
: QFN
: 24-pin
:○
: XXXX (4 or 5 digits)
: AK1573
: AK1573B
: AK1573C
: YWWL (4 digits)
Y: Lower 1 digit of calendar year (Year 2015 → 5, 2016 → 6 ...)
WW: Week
L: Lot identification, given to each product lot which is
made in a week
 LOT ID is given in alphabetical order (A, B, C…)
XXXX(d)
YWWL(e)
●(c)
015009351-E-00
- 40 -
2015/8