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LC877C24C Datasheet(PDF) 11 Page - Sanyo Semicon Device |
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LC877C24C Datasheet(HTML) 11 Page - Sanyo Semicon Device |
11 / 21 page LC877C64C/56C/48C/40C/32C/24C No.A0135-11/21 Allowable Operating Range at Ta = -30°C to +70°C, VSS1 = VSS2 = VSS3 = 0V Specification Parameter Symbol Pin/Remarks Conditions VDD [V] min typ max unit VDD(1) 0.245µs ≤ tCYC≤ 200µs 4.5 5.5 VDD(2) 0.294µs ≤ tCYC≤ 200µs 2.8 5.5 Operating supply voltage range VDD(3) VDD1=VDD2=VDD3 0.735µs ≤ tCYC≤ 200µs 2.2 5.5 Supply voltage range in Hold mode VHD VDD1 Keep RAM and register data in HOLD mode. 2.0 5.5 VIH(1) • Ports 0, 8 • Ports A, B, D, E, L Output disable 2.2 to 5.5 0.3VDD +0.7 VDD VIH(2) • Port 1 • Ports 71, 72, 73 • P70 port input/interrupt Output disable 2.2 to 5.5 0.3VDD +0.7 VDD VIH(3) P87 small signal input Output disable 2.2 to 5.5 0.75VDD VDD VIH(4) Port 70 Watchdog timer Output disable 2.2 to 5.5 0.9VDD VDD Input high voltage VIH(5) XT1, XT2, CF1, RES 2.2 to 5.5 0.75VDD VDD VIL(1) 4.0 to 5.5 VSS 0.15VDD +0.4 VIL(2) • Ports 0, 8 • Ports A, B, D, E, L Output disable 2.2 to 4.0 VSS 0.2VDD VIL(3) 4.0 to 5.5 VSS 0.1VDD +0.4 VIL(4) • Port 1 • Ports 71, 72, 73 • P70 port input/interrupt Output disable 2.2 to 4.0 VSS 0.2VDD VIL(5) Port 87 small signal Input Output disable 2.2 to 5.5 VSS 0.25VDD VIL(6) Port 70 Watchdog timer Output disable 2.2 to 5.5 VSS 0.8VDD -1.0 Input low voltage VIL(7) XT1, XT2, CF1, RES 2.8 to 5.5 VSS 0.25VDD V 4.5 to 5.5 0.245 200 2.8 to 5.5 0.294 200 Operation cycle time (Note 2-1) tCYC 2.2 to 5.5 0.735 200 µs 4.5 to 5.5 0.1 12 2.8 to 5.5 0.1 10 • CF2 open • system clock divider :1/1 • external clock DUTY = 50 ± 5% 2.2 to 5.5 0.1 4 4.5 to 5.5 0.2 24.4 2.8 to 5.5 0.2 20 External system clock frequency FEXCF(1) CF1 • CF2 open • system clock divider :1/2 2.2 to 5.5 0.2 8 MHz FmCF(1) 12MHz ceramic resonator oscillation See Fig. 1. 4.5 to 5.5 12 FmCF(2) 10MHz ceramic resonator oscillation See Fig. 1. 2.8 to 5.5 10 FmCF(3) 4MHz ceramic resonator oscillation See Fig. 1. 2.2 to 5.5 4 FmRC RC oscillation 2.2 to 5.5 0.3 1.0 2.0 FmMRC CF1, CF2 Frequency variable RC oscillation source oscillation 2.2 to 5.5 16 MHz Oscillation frequency range (Note 2-2) FsX’tal XT1, XT2 32.768kHz crystal resonator oscillation See Fig. 2. 2.2 to 5.5 32.768 kHz Note 2-1: Oscillation frequency and Operation cycle time (tCYC) rerationship: 1/1divide-3/FmCF, 1/2divide-6/FmCF Note 2-2: The parts value of oscillation circuit is shown in Table 1 and Table 2. |
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