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CAT1232LPW-T2 Folha de dados(PDF) 3 Page - Catalyst Semiconductor |
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CAT1232LPW-T2 Folha de dados(HTML) 3 Page - Catalyst Semiconductor |
3 / 12 page CAT1232, CAT1832 ELECTRICAL CHARACTERISTICS Unless otherwise stated, 1.0V - VCC - 5.5V and over the operating temperature range of -40ºC to +85ºC. All voltages are referenced to ground. Symbol Parameter Conditions Min Typ Max Units VCC Supply Voltage 1.0 5.5 V VCC = 5.5V, CAT1232LP 35 50 ICC1 Supply Current VCC = 3.6V, CAT1832 20 35 µA (5) 2 VIH ST and PBRST ¯¯¯¯¯¯ Input High Level (6) VCC - 0.4V VCC + 0.3V V VCC = 5.5V, CAT1232LP -0.3 0.8 VIL ST and PBRST ¯¯¯¯¯¯ Input Low Level VCC = 3.6V, CAT1832 0.5 V VCCTP VCC Trip Point (TOL = GND) CAT1232LP 4.50 4.62 4.74 V VCCTP VCC Trip Point (TOL = VCC) CAT1232LP 4.25 4.37 4.49 V VCCTP VCC Trip Point (TOL = GND) CAT1832 2.80 2.88 2.97 V VCCTP VCC Trip Point (TOL = VCC) CAT1832 2.47 2.55 2.64 V tTD Watchdog Time-Out Period TD = GND 62.5 150 250 ms tTD Watchdog Time-Out Period TD = VCC 500 1200 2000 ms tTD Watchdog Time-Out Period TD floating 250 600 1000 ms VOH Output Voltage I = -500µA (3) VCC -0.5V VCC -0.1V V IOH Output Current Output = 2.4V (2) -350 µA IOL Output Current Output = 0.4V, 10 mA IIL Input Leakage (1) -1.0 1.0 µA RPU Internal Pull-Up Resistor (1) 32 40 55 kΩ CIN Input Capacitance 5 pF C Output Capacitance 7 pF OUT PBRST ¯¯¯¯¯¯ Manual Reset Minimum Low Time PBRST ¯¯¯¯¯¯ = V 20 ms tPB IL t Reset Active Time 250 600 1000 ms RST ST ¯¯ Pulse Width t (4) 20 ns ST VCC Fail Detect to RESET or RESET ¯¯¯¯¯¯ t 5 8 µs RPD t V Slew Rate 20 µs F CC PBRST ¯¯¯¯¯¯ Stable LOW to RESET and RESET ¯¯¯¯¯¯ Active t 20 ms PDLY VCC Detect to RESET or RESET ¯¯¯¯¯¯ Inactive tRPU tRISE = 5µs 250 600 1000 ms t V Slew Rate 4.25V to 4.75V 0 ns R CC Notes: (1) PBRST ¯¯¯¯¯¯ is internally pulled HIGH to V through a nominal 40kΩ resistor (RPU). CC (2) RESET ¯¯¯¯¯¯ is an open drain output on the CAT1232LP. (3) RESET remains within 0.5V of VCC on power-down until VCC falls below 2V. RESET remains within 0.5V of ground on power-down until V falls below 2.0V. CC (4) Must not exceed the minimum watchdog time-out period (tTD). The watchdog circuit cannot be disabled. To avoid a reset, ST ¯¯ must be strobed. ≥ 2.7V. (5) Measured with VCC (6) Measured with V < 2.7V. CC © Catalyst Semiconductor, Inc. 3 Doc. No. MD-3018 Rev. D Characteristics subject to change without notice |
Nº de peça semelhante - CAT1232LPW-T2 |
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Descrição semelhante - CAT1232LPW-T2 |
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