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IDT74FCT162245CTPF Datasheet(PDF) 2 Page - Integrated Device Technology |
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IDT74FCT162245CTPF Datasheet(HTML) 2 Page - Integrated Device Technology |
2 / 10 page 5.3 2 IDT54/74FCT16245T/AT/CT/ET, 162245T/AT/CT/ET, IDT54/74FCT166245T/AT/CT, IDT54/74FCT162H245T/AT/CT/ET FAST CMOS 16-BIT BIDIRECTIONAL TRANSCEIVERS MILITARY AND COMMERCIAL TEMPERATURE RANGES 1 DIR 1 B1 GND 1 B3 VCC GND 2 B2 GND VCC GND 1 B2 1 B4 1 B5 1 B6 1 B7 1 B8 2 B1 2 B3 2 B4 2 B5 2 B7 2 B8 2 B6 2 DIR 1 A1 1 A2 GND 1 A3 1 A4 VCC 1 A5 1 A6 1 A7 1 A8 2 A1 2 A2 2 A3 2 A4 VCC 2 A5 2 A7 2 A8 2 A6 GND GND GND 2 OE 1 OE 39 29 30 31 32 33 34 35 36 37 38 25 26 27 28 48 47 41 42 43 44 45 46 40 1 2 3 4 5 6 7 8 9 10 12 13 14 15 16 17 18 19 20 11 21 22 23 24 2545 drw 04 CERPACK TOP VIEW E48-1 FEATURES: (Cont'd.) DESCRIPTION: (Cont'd.) • Features for FCT166245T/AT/CT: – Light Drive A Port: ±8mA (commercial), ±6mA (military) – High Drive B Port: +64mA, –32mA (commercial), +48mA, –24mA (military) – Minimal system switching noise – Typical VOLP (Output Ground Bounce) < 0.25V at VCC = 5V,TA = 25 °C (A Port Switching) • Features for FCT162H245T/AT/CT/ET: – Bus Hold retains last active bus state during 3-state – Eliminates the need for external pull up resistors load (<100pF). The buffers are designed to limit the output current to levels which will avoid noise and ringing on the signal lines without using external series terminating resis- tors. These parts have a ±8mA driver on the "A" Port and a +64/–32mA driver on the "B" Port, making them ideal for interfacing noisy system busses to noise sensitive interfaces. The FCT162H245T have "Bus Hold" which retains the input's last state whenever the input goes to high impedance. This prevents "floating" inputs and eliminates the need for pull-up/down resistors. PIN CONFIGURATIONS 1 DIR 1 B1 GND 1 B3 VCC GND 2 B2 GND VCC GND 1 B2 1 B4 1 B5 1 B6 1 B7 1 B8 2 B1 2 B3 2 B4 2 B5 2 B7 2 B8 2 B6 2 DIR 1 A1 1 A2 GND 1 A3 1 A4 VCC 1 A5 1 A6 1 A7 1 A8 2 A1 2 A2 2 A3 2 A4 VCC 2 A5 2 A7 2 A8 2 A6 GND GND GND 2 OE 1 OE 2545 drw 03 39 29 30 31 32 33 34 35 36 37 38 25 26 27 28 48 47 41 42 43 44 45 46 40 1 2 3 4 5 6 7 8 9 10 12 13 14 15 16 17 18 19 20 11 21 22 23 24 SSOP/ TSSOP/TVSOP TOP VIEW SO48-1 SO48-2 SO48-3 |
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