Holtek HT66F0175 - Page 205

Rev. 1.50 204 August 28, 2017 Rev. 1.50 205 August 28, 2017
HT66F0175/HT66F0185
A/D Flash MCU with EEPROM
HT66F0175/HT66F0185
A/D Flash MCU with EEPROM
28-pin SOP (300mil) Outline Dimensions














Symbol
Dimensions in inch
Min. Nom. Max.
A — 0.406 BSC —
B — 0.295 BSC —
C 0.012 — 0.020
C’ — 0.705 BSC —
D — — 0.104
E — 0.050 BSC —
F 0.004 — 0.012
G 0.016 — 0.050
H 0.008 — 0.013
α 0° — 8°
Symbol
Dimensions in mm
Min. Nom. Max.
A — 10.30 BSC —
B — 7.50 BSC —
C 0.31 — 0.51
C’ — 17.9 BSC —
D — — 2.65
E — 1.27 BSC —
F 0.10 — 0.30
G 0.40 — 1.27
H 0.20 — 0.33
α 0° — 8°