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LC87F5864B Datasheet(PDF) 15 Page - Sanyo Semicon Device |
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LC87F5864B Datasheet(HTML) 15 Page - Sanyo Semicon Device |
15 / 23 page LC87F5864B No.8296-15/23 Serial Input/Output Characteristics at Ta = -20°C to +70°C, VSS1 = VSS2 = VSS3 = 0V 1. SIO0 Serial I/O Characteristics (Note 4-1-1) Specification Parameter Symbol Pin/Remarks Conditions VDD [V] min typ max unit Frequency tSCK(1) 2 Low level pulse width tSCKL(1) 1 tSCKH(1) See Fig. 6. 1 High level pulse width tSCKHA(1) SCK0(P12) • Continuous data transmission/reception mode • See Fig. 6. • (Note 4-1-2) 2.2 to 3.6 4 Frequency tSCK(2) 4/3 tCYC Low level pulse width tSCKL(2) 1/2 tSCKH(2) • CMOS output selected • See Fig. 6. 1/2 tSCK High level pulse width tSCKHA(2) SCK0(P12) • Continuous data transmission/reception mode • CMOS output selected • See Fig. 6. 2.2 to 3.6 tSCKH(2) +2tCYC tSCKH(2) +(10/3) tCYC tCYC Data setup time tsDI(1) 2.2 to 3.6 0.03 Data hold time thDI(1) SB0(P11), SI0(P11) • Must be specified with respect to rising edge of SIOCLK. • See Fig. 6. 2.2 to 3.6 0.03 tdD0(1) • Continuous data transmission/reception mode • (Note 4-1-3) 2.2 to 3.6 (1/3)tCYC +0.05 tdD0(2) • Synchronous 8-bit mode • (Note 4-1-3) 2.2 to 3.6 1tCYC +0.05 Output delay time tdD0(3) SO0(P10), SB0(P11) (Note 4-1-3) 2.2 to 3.6 (1/3)tCYC +0.15 µs Note 4-1-1: These specifications are theoretical values. Add margin depending on its use. Note 4-1-2: To use serial-clock-input in continuous trans / rec mode, a time from SI0RUN being set when serial clock is "H" to the first negative edge of the serial clock must be longer than tSCKHA. Note 4-1-3: Must be specified with respect to falling edge of SIOCLK. Must be specified as the time to the beginning of output state change in open drain output mode. See Fig. 6. |
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