PI4ULS3V204 4-Bit Bi-directional Level Shifter for open-drain and Push-Pull Application Features Description Applications Block Diagram Figure 1: Block Diagram Notes: 1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS), 2011/65/EU (RoHS 2) & 2015/863/EU (RoHS 3) compliant. 2. See PI4ULS3V204 Pin Configuration TSSOP-14 (Top View) TQFN3.5x3.5-14 (Top View) CSP-12 (Top View) Pin Description Pin No Pin No Pin No Pin Name Type Description TSSOP TQFN CSP A-port supply voltage. 1 1 B2 V Power CCA 1.1V V 3.6 V CCA 2 2 A3 A1 I/O Input/output A. Referenced to V . CCA 3 3 B3 A2 I/O Input/output A. Referenced to V CCA 4 4 C3 A3 I/O Input/output A. Referenced to V CCA 5 5 D3 A4 I/O Input/output A. Referenced to V CCA 7 7 D2 GND GND Ground. Output enable (active High). 8 8 C2 EN Input Pull EN low to place all outputs in 3-state mode. 10 10 D1 B4 I/O Input/output B. Referenced to V CCB 11 11 C1 B3 I/O Input/output B. Referenced to V CCB 12 12 B1 B2 I/O Input/output B. Referenced to V CCB 13 13 A1 B1 I/O Input/output B. Referenced to V CCB 14 14 A2 V Power B-port supply voltage. 1.1 V V 3.6V CCB CCB 6, 9 6, 9 / NC NC Not Connect PI4ULS3V204 www.diodes.com February 2021 Document Number DS40161 Rev 3-2 Diodes Incorporated 2