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7429FCT520CTQB Datenblatt(PDF) 1 Page - Integrated Device Technology |
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7429FCT520CTQB Datenblatt(HTML) 1 Page - Integrated Device Technology |
1 / 7 page Integrated Device Technology, Inc. The IDT logo is a registered trademark of Integrated Device Technology, Inc. DESCRIPTION: The IDT29FCT520AT/BT/CT/DT and IDT29FCT521AT/ BT/CT/DT each contain four 8-bit positive edge-triggered registers. These may be operated as a dual 2-level or as a single 4-level pipeline. A single 8-bit input is provided and any of the four registers is available at the 8-bit, 3-state output. These devices differ only in the way data is loaded into and between the registers in 2-level operation. The difference is illustrated in Figure 1. In the IDT29FCT520AT/BT/CT/DT when data is entered into the first level (I = 2 or I = 1), the existing data in the first level is moved to the second level. In the IDT29FCT521AT/BT/CT/DT, these instructions simply cause the data in the first level to be overwritten. Transfer of data to the second level is achieved using the 4-level shift instruction (I = 0). This transfer also causes the first level to change. In either part I=3 is for hold. FUNCTIONAL BLOCK DIAGRAM 2619 drw 01 REGISTER CONTROL 2 1 I ,I1 0 CLK OCTAL REG. A1 OCTAL REG. A2 OCTAL REG. B1 OCTAL REG. B2 MUX MUX 2 S ,S1 0 8 Y -Y7 0 OE 8 D -D7 0 MULTILEVEL PIPELINE REGISTERS IDT29FCT520AT/BT/CT/DT IDT29FCT521AT/BT/CT/DT MILITARY AND COMMERCIAL TEMPERATURE RANGES APRIL 1994 ©1994 Integrated Device Technology, Inc. DSC-4215/4 1 FEATURES: • A, B, C and D 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, SSOP, QSOP, CERPACK and LCC packages 6.2 |
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