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MCP79520-I/MS 数据表(PDF) 6 Page - Microchip Technology |
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MCP79520-I/MS 数据表(HTML) 6 Page - Microchip Technology |
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6 / 58 page  MCP7951X/MCP7952X DS20002300D-page 6 2012-2022 Microchip Technology Inc.and its subsidiaries TABLE 1-2: AC CHARACTERISTICS AC CHARACTERISTICS Industrial (I): TA = -40°C to +85°C VCC = 1.8V to 3.6V Param. No. Symbol Characteristic Minimum Typical Maximum Units Test Conditions 1FCLK Clock Frequency — — 5 MHz 2.5V ≤ Vcc < 3.6V — — 3 MHz 1.8V ≤ Vcc < 2.5V 2TCSS CS Setup Time 100 — — ns 2.5V ≤ Vcc < 3.6V 150 — — ns 1.8V ≤ Vcc < 2.5V 3TCSH CS Hold Time 100 — — ns 2.5V ≤ Vcc < 3.6V 150 — — ns 1.8V ≤ Vcc < 2.5V 4TCSD CS Disable Time 50 — — ns 5TSU Data Setup Time 20 — — ns 2.5V ≤ Vcc < 3.6V 30 — — ns 1.8V ≤ Vcc < 2.5V 6THD Data Hold Time 40 — — ns 2.5V ≤ Vcc < 3.6V 50 — — ns 1.8V ≤ Vcc < 2.5V 7TR SCK Rise Time — — 100 ns Note 1 8TF SCK Fall Time — — 100 ns Note 1 9THI Clock High Time 100 — — ns 2.5V ≤ Vcc < 3.6V 150 — — ns 1.8V ≤ Vcc < 2.5V 10 TLO Clock Low Time 100 — — ns 2.5V ≤ Vcc < 3.6V 150 — — ns 1.8V ≤ Vcc < 2.5V 11 TCLD Clock Delay Time 50 — — ns 12 TCLE Clock Enable Time 50 — — ns 13 TV Output Valid from Clock Low — — 100 ns 2.5V ≤ Vcc < 3.6V — — 160 ns 1.8V ≤ Vcc < 2.5V 14 THO Output Hold Time 0 — ns Note 1 15 TDIS Output Disable Time — — 80 ns 2.5V ≤ Vcc < 3.6V (Note 1) — — 160 ns 1.8V ≤ Vcc < 2.5V (Note 1) 16 TWC Internal Write Cycle Time — — 5 ms Note 2 17 TFVCC VCC Fall Time 300 — — µs Note 1 18 TRVCC VCC Rise Time 0 — — µs Note 1 19 FOSC Oscillator Frequency — 32.768 — kHz 20 TOSF Oscillator Timeout Period — 1 — ms Note 1 21 Endurance 1M — — E/W cycles Page Mode, +25°C VCC = 3.6V (Note 1) Note 1: This parameter is not tested but ensured by characterization. 2: TWC begins on the rising edge of CS after a valid write sequence and ends when the internal write cycle is complete. |
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