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M54HCT240 Datasheet

Part Number M54HCT240
Manufacturers ST Microelectronics
Logo ST Microelectronics
Description OCTAL BUS BUFFER WITH 3 STATE OUTPUTS HCT240: INVERTED - HCT241/244 NON INVERTED
Datasheet M54HCT240 DatasheetM54HCT240 Datasheet (PDF)

M54HCT240/241/244 M74HCT240/241/244 OCTAL BUS BUFFER WITH 3 STATE OUTPUTS HCT240: INVERTED - HCT241/244 NON INVERTED . . . . . . . HIGH SPEED tPD = 13 ns (TYP.) at VCC = 5V LOW POWER DISSIPATION o ICC = 4 µA (MAX.) at TA = 25 C COMPATIBLE WITH TTL OUTPUTS VIH = 2V (MIN.) VIL = 0.8V (MAX) OUTPUT DRIVE CAPABILITY 15 LSTTL LOADS SYMMETRICAL OUTPUT IMPEDANCE |IOH| = IOL = 6 mA (MIN) BALANCED PROPAGATION DELAYS tPLH = tPHL PIN AND FUNCTION COMPATIBLE WITH 54/74LS240/241/244 B1R (Plastic Package) .

  M54HCT240   M54HCT240






Part Number M54HCT245
Manufacturers STMicroelectronics
Logo STMicroelectronics
Description Rad-hard high speed 2V to 6V CMOS logic
Datasheet M54HCT240 DatasheetM54HCT245 Datasheet (PDF)

M54HCxxx, M54HCTxxx Datasheet Rad-hard high speed 2 to 6 V CMOS logic series Flat-14 Flat-16 DIL-14 DIL-16 Flat-24 DIL-24 The upper metallic lid is not electrically connected to any pins, nor to the IC die inside the package Product status link M54HCxxx, M54HCTxxx Features • ESCC qualified • 7 V Absolute maximum ratings • 2 V to 6 V operating voltage for CMOS M54HCxxx series • 4.5 V to 5.5 V operating voltage for TTL M54HCTxxx series • Hermetic packages • Rad-hard 50 krad (Si) TID • SEL i.

  M54HCT240   M54HCT240







Part Number M54HCT244
Manufacturers STMicroelectronics
Logo STMicroelectronics
Description Rad-hard high speed 2V to 6V CMOS logic
Datasheet M54HCT240 DatasheetM54HCT244 Datasheet (PDF)

M54HCxxx, M54HCTxxx Datasheet Rad-hard high speed 2 to 6 V CMOS logic series Flat-14 Flat-16 DIL-14 DIL-16 Flat-24 DIL-24 The upper metallic lid is not electrically connected to any pins, nor to the IC die inside the package Product status link M54HCxxx, M54HCTxxx Features • ESCC qualified • 7 V Absolute maximum ratings • 2 V to 6 V operating voltage for CMOS M54HCxxx series • 4.5 V to 5.5 V operating voltage for TTL M54HCTxxx series • Hermetic packages • Rad-hard 50 krad (Si) TID • SEL i.

  M54HCT240   M54HCT240







Part Number M54HCT241
Manufacturers ST Microelectronics
Logo ST Microelectronics
Description OCTAL BUS BUFFER WITH 3 STATE OUTPUTS HCT240: INVERTED - HCT241/244 NON INVERTED
Datasheet M54HCT240 DatasheetM54HCT241 Datasheet (PDF)

M54HCT240/241/244 M74HCT240/241/244 OCTAL BUS BUFFER WITH 3 STATE OUTPUTS HCT240: INVERTED - HCT241/244 NON INVERTED . . . . . . . HIGH SPEED tPD = 13 ns (TYP.) at VCC = 5V LOW POWER DISSIPATION o ICC = 4 µA (MAX.) at TA = 25 C COMPATIBLE WITH TTL OUTPUTS VIH = 2V (MIN.) VIL = 0.8V (MAX) OUTPUT DRIVE CAPABILITY 15 LSTTL LOADS SYMMETRICAL OUTPUT IMPEDANCE |IOH| = IOL = 6 mA (MIN) BALANCED PROPAGATION DELAYS tPLH = tPHL PIN AND FUNCTION COMPATIBLE WITH 54/74LS240/241/244 B1R (Plastic Package) .

  M54HCT240   M54HCT240







OCTAL BUS BUFFER WITH 3 STATE OUTPUTS HCT240: INVERTED - HCT241/244 NON INVERTED

M54HCT240/241/244 M74HCT240/241/244 OCTAL BUS BUFFER WITH 3 STATE OUTPUTS HCT240: INVERTED - HCT241/244 NON INVERTED . . . . . . . HIGH SPEED tPD = 13 ns (TYP.) at VCC = 5V LOW POWER DISSIPATION o ICC = 4 µA (MAX.) at TA = 25 C COMPATIBLE WITH TTL OUTPUTS VIH = 2V (MIN.) VIL = 0.8V (MAX) OUTPUT DRIVE CAPABILITY 15 LSTTL LOADS SYMMETRICAL OUTPUT IMPEDANCE |IOH| = IOL = 6 mA (MIN) BALANCED PROPAGATION DELAYS tPLH = tPHL PIN AND FUNCTION COMPATIBLE WITH 54/74LS240/241/244 B1R (Plastic Package) F1R (Ceramic Package) M1R (Micro Package) C1R (Chip Carrier) ORDER CODES : M54HCTXXXF1R M74HCTXXXM1R M74HCTXXXB1R M74HCTXXXC1R DESCRIPTION The M54/74HCT240, HCT241 and HCT244 are high speed CMOS OCTAL BUS BUFFERs fabricated in silicon gate C2MOS technology. They have the same high speed performance of LSTTL combined with true CMOS low power consumption. The designer has a choise of select combination of inverting and non-inverting outputs, symmetrical G (active low output control) input, and complementary G and G inputs. Each control input governs four BUS BUFFERs. This integrated circuit has input and output PIN CONNECTION (top view) HCT240 HCT241 HCT244 characteristics that are fully compatible with 54/74 LSTTL logic families. M54/74HCT devices are designed to directly interface HSC2MOS systems with TTL and NMOS components. They are also plug in replacements for LSTTL devices giving a reduction of power consumption. These devices are designed to be used with 3 state memory addre.


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