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SN74ACT2235-30PAG 数据表(PDF) 8 Page - Texas Instruments |
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SN74ACT2235-30PAG 数据表(HTML) 8 Page - Texas Instruments |
8 / 18 page SN74ACT2235 1024 × 9 × 2 ASYNCHRONOUS BIDIRECTIONAL FIRST-IN, FIRST-OUT MEMORY SCAS148F – DECEMBER 1990 – REVISED JUNE 2003 8 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 SELECT-MODE CONTROL CONTROL OPERATION SAB SBA A BUS B BUS L L Real-time B to A bus Real-time A to B bus L H FIFO B to A bus Real-time A to B bus H L Real-time B to A bus FIFO A to B bus H H FIFO B to A bus FIFO A to B bus OUTPUT-ENABLE CONTROL CONTROL OPERATION GAB GBA A BUS B BUS H H A bus enabled B bus enabled L H A bus enabled Isolation/input to B bus H L Isolation/input to A bus B bus enabled L L Isolation/input to A bus Isolation/input to B bus Figure 2. Bus-Management Functions (Continued) absolute maximum ratings over operating free-air temperature range (unless otherwise noted)† Supply voltage range, VCC –0.5 V to 7 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Input voltage range, VI: Control inputs –0.5 V to 7 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I/O ports –0.5 V to 5.5 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Voltage range applied to a disabled 3-state output 5.5 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Package thermal impedance, θJA (see Note 1): FN package 46 °C/W . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . PAG package 58 °C/W . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . PM package 67 °C/W . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Storage temperature range, Tstg –65 °C to 150°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Maximum junction temperature, TJ 150 °C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . † Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability. NOTE 1: The package thermal impedance is calculated in accordance with JESD 51. recommended operating conditions ACT2235-20 ACT2235-30 ACT2235-40 ACT2235-60 UNIT MIN MAX MIN MAX MIN MAX MIN MAX UNIT VCC Supply voltage 4.5 5.5 4.5 5.5 4.5 5.5 4.5 5.5 V VIH High-level input voltage 2 2 2 2 V VIL Low-level input voltage 0.8 0.8 0.8 0.8 V IOH High level output current A or B ports –8 –8 –8 –8 mA IOH High-level output current Status flags –8 –8 –8 –8 mA IOL Low level output current A or B ports 16 16 16 16 mA IOL Low-level output current Status flags 8 8 8 8 mA TA Operating free-air temperature 0 70 0 70 0 70 0 70 °C |
类似零件编号 - SN74ACT2235-30PAG |
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类似说明 - SN74ACT2235-30PAG |
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