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CBT3244ADB Datasheet(PDF) 2 Page - NXP Semiconductors |
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CBT3244ADB Datasheet(HTML) 2 Page - NXP Semiconductors |
2 / 10 page Philips Semiconductors Product data sheet CBT3244A Octal bus switch with quad output enables 2 2004 May 26 FEATURES • Standard ’244-type pinout • 5 Ω switch connection between two ports • TTL compatible control input levels • Package options include plastic small outline (D), shrink small outline (DB), QSOP (DS), and thin shrink small outline (TSSOP) • Latch-up protection exceeds 500 mA per JESD78 • ESD protection exceeds 1000 V HBM per JESD22-A114, 200 V MM per JESD22-A115 and 1000 V CDM per JESD22-C101 DESCRIPTION The CBT3244A provides eight bits of high-speed TTL-compatible bus switching in a standard ’244 device pinout. The low on-state resistance of the switch allows connections to be made with minimal propagation delay. The CBT3244A device is organized as two 4-bit low-impedance switches with separate output-enable (OE) inputs. When OE is LOW, the switch is on and data can flow from port A to port B, or vice versa. When OE is HIGH, the switch is open and high-impedance state exists between the two ports. The CBT3244A is characterized for operation from –40 °C to 85 °C. PIN CONFIGURATION — SO, SSOP, QSOP, and TSSOP 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 1OE 1A1 2B4 1A2 2B3 1A3 2B2 1A4 2B1 1B4 GND 2A2 1B3 2A3 1B2 2A4 1B1 2OE VCC 2A1 SA00501 Figure 1. Pin configuration — SO, SSOP, QSOP, and TSSOP PIN DESCRIPTION PIN NUMBER SYMBOL NAME AND FUNCTION 1, 19 1OE, 2OE Output enable 2, 4, 6, 8 1A1–1A4 Inputs 11, 13, 15, 17 2A1–2A4 Inputs 18, 16, 14, 12 1B1–1B4 Outputs 9, 7, 5, 3 2B1–2B4 Outputs 10 GND Ground (0V) 20 VCC Positive supply voltage ORDERING INFORMATION PACKAGES TEMPERATURE RANGE ORDER CODE TOPSIDE MARK DWG NUMBER 20-Pin Plastic TSSOP –40 °C to 85 °C CBT3244APW CT3244A SOT360-1 20-Pin Plastic SSOP (QSOP) –40 °C to 85 °C CBT3244ADS CT3244ADS SOT724-1 20-Pin Plastic SSOP –40 °C to 85 °C CBT3244ADB CT3244A SOT339-1 20-Pin Plastic SO –40 °C to 85 °C CBT3244AD CBT3244AD SOT163-1 Standard packing quantities and other packaging data is available at www.philipslogic.com/packaging. |
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