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LC651154N Datasheet(PDF) 15 Page - Sanyo Semicon Device |
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LC651154N Datasheet(HTML) 15 Page - Sanyo Semicon Device |
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15 / 39 page  No. 6278-15/39 LC651154N, 651154F, 651154L, 651152N, 651152F, 651152L Parameter Symbol Conditions Applicable pins and notes Ratings Unit min typ max Oscillator characteristics • Figure 3, fo = 400 kHz OSC1, OSC2 392 400 408 • Figure 3, fo = 800 kHz OSC1, OSC2 784 800 816 Ceramic oscillator fCFOSC*7 • Figure 3, fo = 1 MHz OSC1, OSC2 980 1000 1020 kHz Oscillator frequency • Figure 3, fo = 4 MHz, with the OSC1, OSC2 3920 4000 4080 divide-by-three or divide-by-four circuit used. Oscillator stabilization time • Figure 4, fo = 400 kHz 10 (note 8) tCFS • Figure 4, fo = 800 kHz, 1 MHz, or 10 ms 4 MHz, with the divide-by-three or divide-by-four circuit used. Two-pin RC oscillator • Figure 2, Cext = 270 pF ±5% OSC1, OSC2 587 800 1298 Oscillator frequency fMOSC • Figure 2, Rext = 5.6 k Ω ±1% kHz • Figure 2, Cext = 270 pF ±5% OSC1, OSC2 290 400 818 • Figure 2, Rext = 12 k Ω ±1% Pull-up resistor RPP • Output n-channel transistors off Pull-up resistor 814 30 I/O ports • VIN = VSS, VDD = 5 V specification ports k Ω RES Ru VIN = VSS, VDD = 5 V RES 200 500 800 External reset characteristics tRST See figure 5. Reset time • f = 1 MHz Pin capacitances Cp • With all pins other than the pin 10 pF being tested at VIN = VSS. Serial clock Input clock cycle time tCKCY (1) Figure 6 SCK 2.0 Output clock cycle time tCKCY (2) Figure 6 SCK 64 × TCYC*9 Input clock low-level pulse tCKL (1) Figure 6 SCK 1.0 width Output clock low-level pulse tCKL (2) Figure 6 SCK 32 × TCYC width Input clock high-level pulse tCKH (1) Figure 6 SCK 1.0 width Output clock high-level tCKH (2) Figure 6 SCK 32 × TCYC pulse width Serial input Data setup time tICK SI 0.4 Data hold time tCKI SI 0.4 Serial output • Stipulated with respect to the falling edge of SCK. • With an external resistor of 1 k Ω Output delay time tCKO and an external capacitor of 50 pF SO 0.6 on only the n-channel open-drain pins. • Figure 6 Continued from preceding page. Continued on next page. • Stipulated with respect to the rising edge of SCK. • Figure 6 µs |
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