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SN74AVCAH164245KR 数据表(PDF) 6 Page - Texas Instruments |
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SN74AVCAH164245KR 数据表(HTML) 6 Page - Texas Instruments |
6 / 11 page SN74AVCAH164245 16-BIT DUAL-SUPPLY BUS TRANSCEIVER WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUTPUTS SCES396 – JULY 2002 6 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 electrical characteristics over recommended operating free-air temperature range (unless otherwise noted) (see Notes 7 and 8) PARAMETER TEST CONDITIONS VCCA VCCB MIN TYP† MAX UNIT IOH = –100 µA VI = VIH 1.4 V to 3.6 V 1.4 V to 3.6 V VCCO–0.2 V IOH = –2 mA VI = VIH 1.4 V 1.4 V 1.05 VOH IOH = –4 mA VI = VIH 1.65 V 1.65 V 1.2 V IOH = –8 mA VI = VIH 2.3 V 2.3 V 1.75 IOH = –12 mA VI = VIH 3 V 3 V 2.3 IOH = 100 µA VI = VIL 1.4 V to 3.6 V 1.4 V to 3.6 V 0.2 IOH = 2 mA VI = VIL 1.4 V 1.4 V 0.35 VOL IOH = 4 mA VI = VIL 1.65 V 1.65 V 0.45 V IOH = 8 mA VI = VIL 2.3 V 2.3 V 0.55 IOH = 12 mA VI = VIL 3 V 3 V 0.7 II Control inputs VI = VCCA or GND 1.4 V to 3.6 V 3.6 V ±2.5 µA ‡ VI = 0.49 V 1.4 V 1.4 V 11 IBHL‡ VI = 0.57 V 1.65 V 1.65 V 30 µA IBHL‡ VI = 0.7 V 2.3 V 2.3 V 45 µA VI = 0.8 V 3 V 3 V 75 § VI = 0.49 V 1.4 V 1.4 V –11 IBHH§ VI = 1.07 V 1.65 V 1.65 V –30 µA IBHH§ VI = 1.7 V 2.3 V 2.3 V –45 µA VI = 2 V 3 V 3 V –75 ¶ 1.6 V 1.6 V 100 IBHLO¶ VI =0toVCC 1.95 V 1.95 V 200 µA IBHLO¶ VI = 0 to VCC 2.7 V 2.7 V 300 µA 3.6 V 3.6 V 525 # 1.6 V 1.6 V –100 IBHHO# VI =0toVCC 1.95 V 1.95 V –200 µA IBHHO# VI = 0 to VCC 2.7 V 2.7 V –300 µA 3.6 V 3.6 V –525 I ff A port VI or VO =0to3 6V 0 V 0 to 3.6 V ±10 µA Ioff B port VI or VO = 0 to 3.6 V 0 to 3.6 V 0 V ±10 µA || A or B ports V V GND OE = VIH 3.6 V 3.6 V ±12.5 IOZ|| B port VO = VCCO or GND, VI = VCCI or GND OE d ’t 0 V 3.6 V ±12.5 µA A port VI = VCCI or GND OE = don’t care 3.6 V 0 V ±12.5 † All typical values are at TA = 25°C. ‡ The bus-hold circuit can sink at least the minimum low sustaining current at VIL max. IBHL should be measured after lowering VIN to GND and then raising it to VIL max. § The bus-hold circuit can source at least the minimum high sustaining current at VIH min. IBHH should be measured after raising VIN to VCC and then lowering it to VIH min. ¶ An external driver must source at least IBHLO to switch this node from low to high. # An external driver must sink at least IBHHO to switch this node from high to low. || For I/O ports, the parameter IOZ includes the input leakage current. NOTES: 7. VCCO is the VCC associated with the output port. 8. VCCI is the VCC associated with the input port. |
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