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UPSD3312D bảng dữ liệu(PDF) 246 Page - STMicroelectronics |
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UPSD3312D bảng dữ liệu(HTML) 246 Page - STMicroelectronics |
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246 / 272 page ![]() Obsolete Product(s) - Obsolete Product(s) Obsolete Product(s) - Obsolete Product(s) DC and AC parameters UPSD33xx 246/272 Doc ID 9685 Rev 7 30 DC and AC parameters This section summarizes the operating and measurement conditions, and the DC and AC characteristics of the device. The parameters in the DC and AC Characteristic tables that follow are derived from tests performed under the Measurement Conditions summarized in the relevant tables. Designers should check that the operating conditions in their circuit match the measurement conditions when relying on the quoted parameters. Table 161. Operating conditions (5 V devices) Table 162. Operating conditions (3.3 V devices) Symbol Parameter Min. Max. Unit VDD Supply voltage 4.5 5.5 V VCC, AVCC 3.0 3.6 TA Ambient operating temperature (industrial) –40 85 °C Ambient operating temperature (commercial) 0 70 °C Symbol Parameter Min. Max. Unit VCC, VDD, AVCC Supply voltage 3.0 3.6 V TA Ambient operating temperature (industrial) –40 85 °C Ambient operating temperature (commercial) 070 °C Table 163. AC signal letters for timing(1) 1. Example: tAVLX = Time from Address Valid to ALE Invalid. Letter Description A Address C Clock D Input Data I Instruction LALE N RESET input or output P PSEN signal Q Output Data R RD signal W WR signal M Output Macrocell |
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