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STMicroelectronics |
8 TO 3 LINE PRIORITY ENCODER the need for external circuitry. Data inputs are active at the low logic level. All inputs are equipped with protection circuits against static discharge and transient excess voltage. INPUT AND OUTPUT EQUIVALENT CIRCUIT PIN CONNECTIONS (top view) |
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STMicroelectronics |
SYNCHRONOUS UP/DOWN DECADE COUNTER |
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STMicroelectronics |
Dual D-Type Flip-Flop rcuits against static discharge and transient excess voltage. Obsolete ProducPIN CONNECTION AND IEC LOGIC SYMBOLS August 2001 1/10 M74HCT74 INPUT AND OUTPUT EQUIVALENT CIRCUIT PIN DESCRIPTION PIN No SYMBOL NAME AND FUNCTION 1,13 1CLR, 2CLR |
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STMicroelectronics |
HEX BUFFER Supply Voltage TRUTH TABLE A L H Z : High Impedance Y L Z ABSOLUTE MAXIMUM RATINGS Symbol VCC VI VO IIK IOK IO Supply Voltage DC Input Voltage DC Output Voltage DC Input Diode Current DC Output Diode Current DC Output Current Parameter Value -0.5 |
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STMicroelectronics |
M74HC4851 ■ Low power dissipation – ICC = 2 μA (max.) at TA = 25 °C ■ Injection current protection – VΔOUT < 1 mV at VCC = 5 V, IIN ≤ 1 mA – RS ≤ 3.9 kΩ ■ “ON” resistance at TA = 25 °C – 215 Ω typ. (VCC = 3.0 V) – 160 Ω typ. (VCC = 4.5 V) – 150 Ω typ. (VCC = 6 |
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STMicroelectronics |
8-bit shift register • High speed: fMAX = 59 MHz (typ.) at VCC = 6 V • Low power dissipation: ICC = 4 μA (max.) at TA= 25 °C • High noise immunity: VNIH = VNIL = 28% VCC (min.) • Symmetrical output impedance: – |IOH| = IOL = 6 mA (min.) for QA to QH – |IOH| = IOL = 4 mA |
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STMicroelectronics |
HEX D-TYPE FLIP FLOP y 2001 1/11 M74HC174 INPUT AND OUTPUT EQUIVALENT CIRCUIT TRUTH TABLE INPUTS CLEAR D CK L X X H L H H H X X : Don’t Care LOGIC DIAGRAM PIN DESCRIPTION PIN No 1 2, 5, 7, 10, 12, 15 3, 4, 6, 11, 13, 14 9 8 16 SYMBOL CLEAR NAME AND |
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STMicroelectronics |
8 BIT SIPO SHIFT REGISTER 74HC164RM13TR M74HC164TTR transition on the clock inputs shifts data one place to the right and enters into QA the logic NAND of the two data inputs (A x B), the data that existed before the rising clock edge. A low level on the clear input override |
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STMicroelectronics |
TRIPLE 3 INPUT OR GATE nd transient excess voltage. PIN CONNECTIONS (top view) INPUT AND OUTPUT EQUIVALENT CIRCUIT NC = No Internal Connection October 1992 1/9 M54/M74HC4075 TRUTH TABLE A L H X X B L X H X C L X X H Y L H H H IEC LOGIC SYMBOL PIN DESCRIPTION PIN No |
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STMicroelectronics |
DUAL J-K FLIP FLOP ss voltage. PIN CONNECTION AND IEC LOGIC SYMBOLS August 2001 1/11 M74HC76 INPUT AND OUTPUT EQUIVALENT CIRCUIT PIN DESCRIPTION PIN No 1, 6 2, 7 3, 8 4, 9 www.DataSheet4U.com SYMBOL 1CK, 2CK NAME AND FUNCTION 10, 14 11, 15 16, 12 13 5 Clock Inp |
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STMicroelectronics |
(74HC690 - 74HC693) 4 BIT BINARY COUNTER/REGISTER s counter, four-bit D-type register, and quadruple two-line to one-line multiplexers with three-state outputs in a single 20-pin package. The counter can be programmed from the data inputs and have enable P and enable T inputs and a ripplecarry outpu |
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STMicroelectronics |
(74HC690 - 74HC693) 4 BIT BINARY COUNTER/REGISTER s counter, four-bit D-type register, and quadruple two-line to one-line multiplexers with three-state outputs in a single 20-pin package. The counter can be programmed from the data inputs and have enable P and enable T inputs and a ripplecarry outpu |
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STMicroelectronics |
8 TO 3 LINE PRIORITY ENCODER discharge and transient excess voltage. Obsolete Produc PIN CONNECTION AND IEC LOGIC SYMBOLS July 2001 1/11 M74HC148 INPUT AND OUTPUT EQUIVALENT CIRCUIT PIN DESCRIPTION PIN No SYMBOL NAME AND FUNCTION 9, 7, 6 A0 to A2 Data Outputs 10, 11, |
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STMicroelectronics |
DUAL J-K FLIP FLOP . PIN CONNECTION AND IEC LOGIC SYMBOLS July 2001 1/12 M74HC109 INPUT AND OUTPUT EQUIVALENT CIRCUIT PIN DESCRIPTION PIN No SYMBOL NAME AND FUNCTION 1,15 2, 14, 3, 13 4, 12 5, 11 6, 10 7, 9 8 16 1CLR, 2CLR Asynchronous Reset Direct Input 1J, |
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STMicroelectronics |
DUAL 4-CHANNEL ANALOG MULTIPLEXER/DEMULTIPLEXER |
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STMicroelectronics |
DUAL 2 TO 4 LINE DECODER 3 TO 8 LINE DECODER dual 1-TO-4 line demultiplexers with individual strobe inputs (1G and 2G), individual data inputs (1C and 2C) and common binary address inputs (A and B). When both decoders are enabled by the strobes, the inverted output of 1C data and non-inverted o |
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STMicroelectronics |
HC241/244 NON INVERTED OCTAL BUS BUFFER Package) C1R (Chip Carrier) ORDER CODES : M54HCXXXF1R M74HCXXXM1R M74HCXXXB1R M74HCXXXC1R complementary G and G inputs. Each control input governs four BUS BUFFERs. These devices are designed to be used with 3 state memory address drivers, etc. A |
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STMicroelectronics |
DUAL 4-CHANNEL MULTIPLEXER ry output (HC352) and 3 state output (HC353). Each of these data (1C0-1C3, 2C0-2C3) is selected by the two address inputs A and B. Separate strobe inputs (1G, 2G) are provided for each of the two four line sections. Taking the strobe input (1G, 2G) h |
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STMicroelectronics |
QUAD 2 CHANNEL MULTIPLEXER The HCT158 is an inverting multiplexer while the HCT157 is a non-inverting multiplexer. When the STROBE input is held High, selection of data is inhibited and all the outputs become Low in the M74HCT157 and High in the M74HCT158. The SELECT decoding |
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STMicroelectronics |
QUAD 2 CHANNEL MULTIPLEXER The HCT158 is an inverting multiplexer while the HCT157 is a non-inverting multiplexer. When the STROBE input is held High, selection of data is inhibited and all the outputs become Low in the M74HCT157 and High in the M74HCT158. The SELECT decoding |
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Desde 2024. D4U Semiconductor.
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