Datasheet MC145026, MC145027, MC145028 (NXP) - 7

Electrical Specifications Table 4. Switching Characteristics - MC1450261, MC145027, and MC145028
(CL = 50 pF, TA = 25°C)
Guaranteed Limit Figure Symbol Characteristic V Unit No. DD Min Max
tTLH, tTHL Output Transition Time 5, 9 5.0 - 200 ns 10 - 100 15 - 80 t µ r Din Rise Time - Decoders 6 5.0 - 15 s 10 - 15 15 - 15 t µ f Din Fall Time - Decoders 6 5.0 - 15 s 10 - 5.0 15 - 4.0 fosc Encoder Clock Frequency 7 5.0 0.001 2.0 MHz 10 0.001 5.0 15 0.001 10 f Decoder Frequency - Referenced to Encoder Clock 13 5.0 1.0 240 kHz 10 1.0 410 15 1.0 450 tw TE Pulse Width - Encoders 8 5.0 65 - ns 10 30 - 15 20 - 1 Also see next Electrical Characteristics table for 2.5 V specifications.
Table 5. Switching Characteristics - MC145026
(CL = 50 pF, TA = 25°C)
Guaranteed Limit Figure Symbol Characteristic V Unit No. DD Min Max
tTLH, tTHL Output Transition Time 5, 9 2.5 - 450 ns fosc Encoder Clock Frequency 7 2.5 1.0 250 kHz tw TE Pulse Width 8 2.5 1.5 - µs
MC145026, MC145027, MC145028 Technical Data, Rev. 4
Freescale Semiconductor 7

Document Outline 1 Introduction 2 Electrical Specifications 3 Operating Characteristics 3.1 MC145026 3.2 MC145027 3.3 MC145028 4 Pin Descriptions 4.1 MC145026 Encoder 4.2 MC145027 and MC145028 Decoders 5 MC145027 and MC145028 Timing 6 Package Dimensions