7. Ordering Information
7.1 ATtiny1634
Speed (MHz) (1)
Supply Voltage (V) Temperature Range Package (2) Accuracy (3)
Ordering Code (4)
±10%
ATtiny1634-MU
20M1
±2%
±10%
ATtiny1634R-MU
ATtiny1634-MUR
±2%
ATtiny1634R-MUR
12
1.8 – 5.5
Industrial
(-40C to +85C) (5)
±10%
ATtiny1634-SU
20S2
±2%
±10%
ATtiny1634R-SU
ATtiny1634-SUR
±2%
ATtiny1634R-SUR
20U-1
±10%
ATtiny1634-UUR
Notes:
1. For speed vs. supply voltage, see section 24.3 “Speed” on page 229.
2. All packages are Pb-free, halide-free and fully green, and they comply with the European directive for Restriction of Hazard-
ous Substances (RoHS).
3. Denotes accuracy of the internal oscillator. See Table 24-2 on page 230.
4. Code indicators:
– U: matte tin
– R: tape & reel
5. Can also be supplied in wafer form. Contact your local Atmel sales office for ordering information and minimum quantities.
20M1
20S2
20U-1
Package Type
20-pad, 4 x 4 x 0.8 mm Body, Quad Flat No-Lead / Micro Lead Frame Package (QFN/MLF)
20-lead, 0.300" Wide Body, Plastic Gull Wing Small Outline Package (SOIC)
20-ball 2.38 x 2.02 x 0.409mm Body, 5x4 Array, 0.40 mm Pitch, Wafer Level Chip Scale Package (WLCSP)
ATtiny1634 [DATASHEET] 11
8303FS–AVR–08/2013