| No. | parte # | Fabricante | Descripción | Hoja de Datos |
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STMicroelectronics |
SYNCHRONOUS UP/DOWN DECADE COUNTER |
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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 |
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 |
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 |
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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STMicroelectronics |
QUAD D-TYPE REGISTER is asynchronous and active high. The stored data are provided on each output only when both output control inputs (M and N) are held low, otherwise the outputs go to the high-impedance state. All inputs are equipped with protection circuits against s |
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STMicroelectronics |
SYNCHRONOUS PRESETTABLE 4-BIT COUNTER hich facilities easy implementation of N-bit counters without using external gates. All inputs are equipped with protection circuits against static discharge and transient excess voltage. Obsolete Prod PIN CONNECTION AND IEC LOGIC SYMBOLS July 2001 |
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STMicroelectronics |
Quad bus buffer • High-speed: tPD = 8 ns (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.) • Balanced propagation delays: tPLH ≅ |
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STMicroelectronics |
QUAD BUS BUFFER IN DESCRIPTION PIN No 1, 4, 10, 13 2, 5, 9, 12 3, 6, 8, 11 7 14 SYMBOL 1G TO 4G 1A TO 4A 1Y TO 4Y GND VCC NAME AND FUNCTION Output Enable Input Data Inputs Data Outputs Ground (0V) Positive Supply Voltage TRUTH TABLE A G Y ) X H Z t(s L L |
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STMicroelectronics |
DUAL 4-CHANNEL MULTIPLEXER ts against static discharge and transient excess voltage. PIN CONNECTION AND IEC LOGIC SYMBOLS July 2001 1/11 M74HC253 INPUT AND OUTPUT EQUIVALENT CIRCUIT PIN DESCRIPTION PIN No 1, 15 14, 2 6, 5, 4, 3 7, 9 10, 11, 12, 13 8 16 SYMBOL NAME AND |
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STMicroelectronics |
8 BIT SHIFT REGISTER |
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STMicroelectronics |
8 BINARY COUNTER REGISTER a direct clear input CCLR and a count enable input CCKEN. For cascading, a ripple carry output RCO is provided. Expansion is easily accomplished by tying RCO of the first stage to CCKEN of the second stage, etc. Both the counter and register clocks |
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STMicroelectronics |
QUAD D-TYPE FLIP FLOP outputs are low regardless of other input conditions. All inputs are equipped with protection circuits against static discharge and transient excess voltage. Obsolete Produ PIN CONNECTION AND IEC LOGIC SYMBOLS July 2001 1/11 M74HC175 INPUT AND |
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STMicroelectronics |
4-BIT SYNCHRONOUS UP/DOWN COUNTERS 91M1R T&R M74HC191RM13TR M74HC191TTR input in multi-stage counters. Control input, Down/ Up, determines whether a circuit counts up or down. A MAX/MIN output and a Ripple Clock output provide overflow/underflow indication and make possible a variet |
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STMicroelectronics |
DUAL 2 TO 4 LINE DECODER 3 TO 8 LINE DECODER dual 1 to 4 line demultiplexers with o individual strobe inputs (1G and 2G), individual s data inputs (1C and 2C) and common binary b address inputs (A and B). O When both decoders are enabled by the strobes, - the inverted output of 1C data and non- |
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STMicroelectronics |
DUAL RETRIGGERABLE MONOSTABLE MULTIVIBRATOR the output o maintains the MONOSTABLE state for the time ObsPIN CONNECTION AND IEC LOGIC SYMBOLS DIP SOP TSSOP ORDER CODES PACKAGE TUBE DIP SOP TSSOP M74HC123B1R M74HC123M1R T&R M74HC123RM13TR M74HC123TTR period determined by the external |
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Desde 2024. D4U Semiconductor.
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