Holtek HT66F0175 - Page 206

Rev. 1.50 206 August 28, 2017 Rev. 1.50 207 August 28, 2017
HT66F0175/HT66F0185
A/D Flash MCU with EEPROM
HT66F0175/HT66F0185
A/D Flash MCU with EEPROM
28-pin SSOP (150mil) Outline Dimensions














Symbol
Dimensions in inch
Min. Nom. Max.
A — 0.236 BSC —
B — 0.154 BSC —
C 0.008 — 0.012
C’ — 0.390 BSC —
D — — 0.069
E — 0.025 BSC —
F 0.004 — 0.010
G 0.016 — 0.050
H 0.004 — 0.010
α 0° — 8°
Symbol
Dimensions in mm
Min. Nom. Max.
A — 6.0 BSC —
B — 3.9 BSC —
C 0.20 — 0.30
C’ — 9.9 BSC —
D — — 1.75
E — 0.635 BSC —
F 0.10 — 0.25
G 0.41 — 1.27
H 0.10 — 0.25
α 0° — 8°