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74VHCT374ASJ Scheda tecnica(PDF) 1 Page - Fairchild Semiconductor |
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74VHCT374ASJ Scheda tecnica(HTML) 1 Page - Fairchild Semiconductor |
1 / 9 page tm May 2007 ©1997 Fairchild Semiconductor Corporation www.fairchildsemi.com 74VHCT374A Rev. 1.3 74VHCT374A Octal D-Type Flip-Flop with 3-STATE Outputs Features ■ High speed: fMAX = 140MHz (Typ.) at TA = 25°C ■ High noise immunity: VIH = 2.0V, VIL = 0.8V ■ Power down protection is provided on all inputs and outputs ■ Low power dissipation: ICC = 4µA (Max.) @ TA = 25°C ■ Pin and function compatible with 74HCT374 General Description The VHCT374A is an advanced high speed CMOS octal flip-flop with 3-STATE output fabricated with silicon gate CMOS technology. It achieves the high speed operation similar to equivalent Bipolar Schottky TTL while main- taining the CMOS low power dissipation. This 8-bit D-type flip-flop is controlled by a clock input (CP) and an output enable input (OE). When the OE input is HIGH, the eight outputs are in a high impedance state. Protection circuits ensure that 0V to 7V can be applied to the input and output(1) pins without regard to the supply voltage. This device can be used to interface 3V to 5V systems and two supply systems such as battery back up. This circuit prevents device destruction due to mis- matched supply and input voltages. Note: 1. Outputs in OFF-State. Ordering Information Surface mount packages are also available on Tape and Reel. Specify by appending the suffix letter “X” to the ordering number. Pb-Free package per JEDEC J-STD-020B. Connection Diagram Pin Description Order Number Package Number Package Description 74VHCT374AM M20B 20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300" Wide 74VHCT374ASJ M20D 20-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide 74VHCT374AMTC MTC20 20-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide Pin Names Description D0–D7 Data Inputs CP Clock Pulse Input 3-STATE OE Output Enable Input 3-STATE O0–O7 Outputs |
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