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74ACT825D
54ACT 74ACT825 8-Bit D Flip-Flop General Description Features The ’ACT825 is an 8-bit buffered register They have Clock Enable and Clear features which are ideal for parity bus interfacing in high performance microprogramming systems Also included are multiple enables that allow multi-use control of the interface The ’ACT825 has noninverting outputs and is fully compatible with AMD’s Am29825 Y Y Y Y Outputs source sink 24 mA Inputs and outputs are on opposite sides ’ACT825 has TTL-compatible inputs Standard Military Drawing (SMD) ’ACT825 5962-91611 Logic Symbols Connection Diagrams Pin Assignment for DIP Flatpak and SOIC IEEE IEC TL F 9895–1 TL F 9895 – 2 TL F 9895 – 3 Pin Names Description D 0 – D7 O0 – O7 OE1 OE2 OE3 EN CLR CP Pin Assignment for LCC Data Inputs Data Outputs Output Enables Clock Enable Clear Clock Input TL F 9895 – 4 FACTTM is a trademark of National Semiconductor TRI-STATE is a registered trademark of National Semiconductor Corporation C1995 National Semiconductor Corporation TL F 9895 RRD-B30M75 Printed in U S A 54ACT 74ACT825 8-Bit D Flip-Flop March 1993 Absolute Maximum Ratings (Note 1) Recommended Operating Conditions If Military Aerospace specified devices are required please contact the National Semiconductor Sales Office Distributors for availability and specifications Supply Voltage (VCC) ’ACT Input Voltage (VI) b 0 5V to 7 0V Supply Voltage (VCC) DC Input Diode Current (IIK) b 20 mA VI e b0 5V a 20 mA VI e VCC a 0 5V b 0 5V to VCC a 0 5V DC Input Voltage (VI) DC Output Diode Current (IOK) b 20 mA VO e b0 5V a 20 mA VO e VCC a 0 5V a 0 5V DC Output Voltage (VO) g 50 mA DC Output Source or Sink Current (IO) DC VCC or Ground Current g 50 mA Per Output Pin (ICC or IGND) b 65 C to a 150 C Storage Temperature (TSTG) Junction Temperature (TJ) CDIP 175 C PDIP 140 C 4 5V to 5 5V 0V to VCC 0V to VCC Output Voltage (VO) Operating Temperature (TA) 74ACT 54ACT b 40 C to a 85 C b 55 C to a 125 C Minimum Input Edge Rate (DV Dt) ’ACT Devices VIN from 0 8V to 2 0V VCC 4 5V 5 5V 125 mV ns Note 1 Absolute maximum ratings are those values beyond which damage to the device may occur The databook specifications should be met without exception to ensure that the system design is reliable over its power supply temperature and output input loading variables National does not recommend operation of FACT TM circuits outside databook specifications DC Electrical Characteristics 74ACT Symbol Parameter VCC (V) TA e 25 C 54ACT 74ACT TA e TA e Units b 55 C to a 125 C b 40 C to a 85 C Typ Conditions Guaranteed Limits VIH Minimum High Level Input Voltage 45 55 15 15 20 20 20 20 20 20 VIL Maximum Low Level Input Voltage 45 55 15 15 08 08 08 08 08 08 VOH Minimum High Level 45 55 4 49 5 49 44 54 44 54 44 54 45 55 3 86 4 86 3 70 4 70 3 76 4 76 V 4 5 0 001 5 5 0 001 01 01 01 01 01 01 V 45 55 0 36 0 36 0 50 0 50 0 44 0 44 V IIN Maximum Input Leakage Current 5 5 g0 1 g1 0 g1 0 mA IOZ Maximum TRI-STATE Current g0 5 g 10 0 g5 0 mA ICCT Maximum ICC Input 55 16 15 mA VI e VCC b2 1V IOLD Minimum Dynamic Output Current 55 50 75 mA VOLD e 1 65V Max 55 b 50 b 75 mA VOHD e 3 85V Min 160 80 mA VIN e VCC or GND VOL IOHD ICC Maximum Low Level Output Voltage Maximum Quiescent Supply Current 55 06 55 80 All outputs loaded thresholds on input associated with output under test Maximum test duration 2 0 ms one output loaded at a time Note ICC limit for 54ACT 25 C is identical to 74ACT 25 C 3 V VOUT e 0 1V or VCC b0 1V VOUT e 0 1V or VCC b0 1V V IOUT e b50 mA VIN e VIL or VIH b 24 mA IOH b 24 mA IOUT e 50 mA VIN e VIL or VIH IOL 24 mA 24 mA VI e VCC GND VI e VIL VIH VO e VCC GND
NS
National Semiconductor Corporation 日本ではナショセミと略称されていたが2011年9月23日、米TI社に買収され、同社のシリコンバレー部門となった。
TI
Texas Instruments Incorporated
U.S.A
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