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74VCX16601MTDX Datasheet(PDF) 1 Page - Fairchild Semiconductor |
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74VCX16601MTDX Datasheet(HTML) 1 Page - Fairchild Semiconductor |
1 / 11 page © 2004 Fairchild Semiconductor Corporation DS500126 www.fairchildsemi.com March 1998 Revised October 2004 74VCX16601 Low Voltage 18-Bit Universal Bus Transceivers with 3.6V Tolerant Inputs and Outputs General Description The VCX16601 is an 18-bit universal bus transceiver which combines D-type latches and D-type flip-flops to allow data flow in transparent, latched, and clocked modes. Data flow in each direction is controlled by output-enable (OEAB and OEBA), latch-enable (LEAB and LEBA), and clock (CLKAB and CLKBA) inputs. The clock can be con- trolled by the clock-enable (CLKENAB and CLKENBA) inputs. For A-to-B data flow, the device operates in the transparent mode when LEAB is HIGH. When LEAB is LOW, the A data is latched if CLKAB is held at a HIGH-to- LOW logic level. If LEAB is LOW, the A bus data is stored in the latch/flip-flop on the LOW-to-HIGH transition of CLKAB. When OEAB is LOW, the outputs are active. When OEAB is HIGH, the outputs are in the high-impedance state. Data flow for B to A is similar to that of A to B but uses OEBA, LEBA, CLKBA and CLKENBA. The VCX16601 is designed for low voltage (1.4V to 3.6V) VCC applications with I/O capability up to 3.6V. The VCX16601 is fabricated with an advanced CMOS technology to achieve high speed operation while maintain- ing low CMOS power dissipation. Features s 1.4V to 3.6V VCC supply operation s 3.6V tolerant inputs and outputs s tPD (A to B, B to A) 2.9 ns max for 3.0V to 3.6V VCC s Power-down high impedance inputs and outputs s Supports live insertion/withdrawal (Note 1) s Static Drive (IOH/IOL) ±24 mA @ 3.0V V CC s Uses patented noise/EMI reduction circuitry s Latchup performance exceeds 300 mA s ESD performance: Human body model > 2000V Machine model >200V s Also packaged in plastic Fine-Pitch Ball Grid Array (FBGA) (Preliminary) Note 1: To ensure the high-impedance state during power up or power down, OE should be tied to VCC through a pull-up resistor; the minimum value of the resistor is determined by the current-sourcing capability of the driver. Ordering Code: Note 2: BGA package available in Tape and Reel only. Note 3: Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code. Order Number Package Number Package Description 74VCX16601GX (Note 2) BGA54A (Preliminary) 54-Ball Fine-Pitch Ball Grid Array (FBGA), JEDEC MO-205, 5.5mm Wide [TAPE and REEL] 74VCX16601MTD (Note 3) MTD56 56-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 6.1mm Wide |
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