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Ordering Information
Power Supply
2.7 - 6.0V
4.0 - 6.0V
2.7 - 6.0V
2.7 - 6.0V
4.0 - 6.0V
Notes:
1. The speed grade refers to maximum clock rate when using an external crystal or external clock drive. The internal RC oscil-
lator has the same nominal clock frequency for all speed grades.
2. In AT90LS2343-1xx, the internal RC oscillator is selected as default MCU clock source (RCEN fuse is programmed) when
the device is shipped from Atmel. In AT90LS2343-4xx and AT90S2343-10xx, the default MCU clock source is the clock
input pin (RCEN fuse is unprogrammed). The fuse settings can be changed by high voltage serial programming.
8P3
8-lead, 0.300" Wide, Plastic Dual Inline Package (PDIP)
8S2
8-lead, 0.200" Wide, Plastic Gull Wing Small Outline Package (EIAJ SOIC)
1004D–09/01
Speed (MHz)
Ordering Code
4
AT90LS2323-4PC
AT90LS2323-4SC
AT90LS2323-4PI
AT90LS2323-4SI
10
AT90S2323-10PC
AT90S2323-10SC
AT90S2323-10PI
AT90S2323-10SI
1
AT90LS2343-1PC
AT90LS2343-1SC
AT90LS2343-1PI
AT90LS2343-1SI
4
AT90LS2343-4PC
AT90LS2343-4SC
AT90LS2343-4PI
AT90LS2343-4SI
10
AT90S2343-10PC
AT90S2343-10SC
AT90S2343-10PI
AT90S2343-10SI
Package Type
AT90S/LS2323/2343
Package
Operation Range
8P3
Commercial
8S2
(0°C to 70°C)
8P3
Industrial
8S2
(-40°C to 85°C)
8P3
Commercial
8S2
(0°C to 70°C)
8P3
Industrial
8S2
(-40°C to 85°C)
8P3
Commercial
8S2
(0°C to 70°C)
8P3
Industrial
8S2
(-40°C to 85°C)
8P3
Commercial
8S2
(0°C to 70°C)
8P3
Industrial
8S2
(-40°C to 85°C)
8P3
Commercial
8S2
(0°C to 70°C)
8P3
Industrial
8S2
(-40°C to 85°C)
61
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