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54C164245 Datasheet(PDF) 1 Page - STMicroelectronics |
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54C164245 Datasheet(HTML) 1 Page - STMicroelectronics |
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1 / 23 page  This is information on a product in full production. April 2014 DocID18093 Rev 4 1/23 54AC164245 Rad-hard 16-bit transceiver 3.3 V to 5 V bidirectional level shifter Datasheet - production data Features • Fully compatible with 54ACS164245 • Dual supply bidirectional level shifter • Extended voltage range from 2.3 V to 5.5 V • Separated enable pin for 3-state output • Schmidt-triggered I/Os: 100 mV hysteresis • Internal 26 Ω limiting resistor on each I/O • High speed: Tpd = 8 ns maximum • Fail safe • Cold spare • Hermetic package • 100 krad (Si) at any Mil1019 dose rate • SEL immune to 110MeV.cm2/mg LET ions • RHA QML-V qualified Description The 54AC164245 is a rad-hard advanced high- speed CMOS, Schmitt trigger 16-bit bidirectional multi-purpose transceiver with 3-state outputs and cold sparing. Designed for use as an interface between a 5 V bus and a 3.3 V bus in mixed 5 V/3.3 V supply systems, it achieves high-speed operation while maintaining the CMOS low-power dissipation. All pins have cold spare buffers to change them to high impedance when VDD is tied to ground. This IC is intended for two-way asynchronous communication between the data buses. The direction of the data transmission is determined by the nDIR inputs. The A port interfaces with the 3.3 V bus but can also operate at 2.3 V. The B port operates with the 5 V bus. Ceramic Flat-48 The upper metallic lid is not electrically connected to any pins, nor to the IC die inside the package Table 1. Device summary Order codes SMD pin Quality level Package Lead finish Mass EPPL Temp. range RHFAC164245K1 - Engineering model Flat-48 Gold 1.50 g - -55 °C to 125 °C RHRAC164245K01V 5962R9858008VYC QML-V flight Yes www.st.com |
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