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IDT74FCT138TSO Datasheet(PDF) 1 Page - Integrated Device Technology |
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IDT74FCT138TSO Datasheet(HTML) 1 Page - Integrated Device Technology |
1 / 6 page FAST CMOS 1-OF-8 DECODER WITH ENABLE Integrated Device Technology, Inc. DESCRIPTION: The IDT54/74FCT138T/AT/CT are 1-of-8 decoders built using an advanced dual metal CMOS technology. The IDT54/ 74FCT138T/AT/CT accepts three binary weighted inputs (A0, A1, A2) and, when enabled, provides eight mutually exclusive active LOW outputs ( O0-O7). The IDT54/74FCT138T/AT/CT features three enable inputs, two active LOW ( E1, E2) and one active HIGH (E3). All outputs will be HIGH unless E1 and E2 are LOW and E3 is HIGH. This multiple enable function allows easy parallel expansion of the device to a 1-of-32 (5 lines to 32 lines) decoder with just four IDT54/74FCT138T/AT/CT devices and one inverter. IDT54/74FCT138T/AT/CT FUNCTIONAL BLOCK DIAGRAM 2570 drw 01 2570 drw 02 2570 drw 03 PIN CONFIGURATIONS INDEX A2 O2 LCC TOP VIEW 3 2 20 19 1 4 5 6 7 8 18 17 16 15 14 9 1011 1213 L20-2 E1 NC E2 E3 O1 NC O3 O4 MILITARY AND COMMERCIAL TEMPERATURE RANGES APRIL 1995 ©1995 Integrated Device Technology, Inc. 6.3 DSC-4213/5 O7 O6 O5 O4 O3 O2 O1 O0 A2 A1 A0 E1 E2 E3 1 GND A0 O0 O6 VCC 1 2 3 4 5 6 7 89 10 11 12 13 14 15 16 DIP/SOIC/QSOP/CERPACK TOP VIEW P16-1 D16-1 SO16-1 SO16-7 & E16-1 A1 A2 E1 E2 E3 O7 O1 O2 O3 O4 O5 FEATURES: • Std., A and C speed grades • Low input and output leakage ≤1µA (max.) • CMOS power levels • True TTL input and output compatibility – VOH = 3.3V (typ.) – VOL = 0.3V (typ.) • High drive outputs (-15mA IOH, 48mA IOL) • Meets or exceeds JEDEC standard 18 specifications • Product available in Radiation Tolerant and Radiation Enhanced versions • Military product compliant to MIL-STD-883, Class B and DESC listed (dual marked) • Available in DIP, SOIC, QSOP, CERPACK and LCC packages The IDT logo is a registered trademark of Integrated Device Technology, Inc. |
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