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74AVCH4T245RGYRG4 数据表(PDF) 6 Page - Texas Instruments |
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74AVCH4T245RGYRG4 数据表(HTML) 6 Page - Texas Instruments |
6 / 20 page www.ti.com Electrical Characteristics (1) (2) Switching Characteristics SN74AVCH4T245 4-BIT DUAL-SUPPLY BUS TRANSCEIVER WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUTPUTS SCES577D – JUNE 2004 – REVISED JUNE 2007 over recommended operating free-air temperature range (unless otherwise noted) (continued) TA = 25°C –40 °C to 85°C PARAMETER TEST CONDITIONS VCCA VCCB UNIT MIN TYP MAX MIN MAX A port 0 V 0 V to 3.6 V ±0.1 ±1 ±5 Ioff VI or VO = 0 to 3.6 V μA B port 0 V to 3.6 V 0 V ±0.1 ±1 ±5 VO = VCCO or A or B port GND, OE = VIH 3.6 V 3.6 V ±0.5 ±2.5 ±5 VI = VCCI or GND IOZ (3) μA B port VO = VCCO or OE = 0 V 3.6 V ±5 GND, don't A port 3.6 V 0 V ±5 VI = VCCI or GND care 1.2 V to 3.6 V 1.2 V to 3.6 V 8 ICCA VI = VCCI or GND, IO = 0 0 V 3.6 V –2 μA 3.6 V 0 V 8 1.2 V to 3.6 V 1.2 V to 3.6 V 8 ICCB VI = VCCI or GND, IO = 0 0 V 3.6 V 8 μA 3.6 V 0 V –2 ICCA + ICCB VI = VCCI or GND, IO = 0 1.2 V to 3.6 V 1.2 V to 3.6 V 16 μA Control Ci VI = 3.3 V or GND 3.3 V 3.3 V 3.5 4.5 pF inputs Cio A or B port VO = 3.3 V or GND 3.3 V 3.3 V 6 7 pF (1) VCCO is the VCC associated with the output port. (2) VCCI is the VCC associated with the input port. (3) For I/O ports, the parameter IOZ includes the input leakage current. over recommended operating free-air temperature range, VCCA = 1.2 V (see Figure 1) VCCB = 1.5 V VCCB = 1.8 V VCCB = 2.5 V VCCB = 3.3 V VCCB = 1.2 V FROM TO ± 0.1 V ± 0.15 V ± 0.2 V ± 0.3 V PARAMETER UNIT (INPUT) (OUTPUT) TYP TYP TYP TYP TYP tPLH 3.4 2.9 2.7 2.6 2.8 A B ns tPHL 3.4 2.9 2.7 2.6 2.8 tPLH 3.6 3.1 2.8 2.6 2.6 B A ns tPHL 3.6 3.1 2.8 2.6 2.6 tPZH 5.6 4.7 4.3 3.9 3.7 OE A ns tPZL 5.6 4.7 4.3 3.9 3.7 tPZH 5 4.3 3.9 3.6 3.6 OE B ns tPZL 5 4.3 3.9 3.6 3.6 tPHZ 6.2 5.2 5.2 4.3 4.8 OE A ns tPLZ 6.2 5.2 5.2 4.3 4.8 tPHZ 5.9 5.1 5 4.7 5.5 OE B ns tPLZ 5.9 5.1 5 4.7 5.5 6 Submit Documentation Feedback |
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