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M74HC190 Dataheets PDF



Part Number M74HC190
Manufacturers ST Microelectronics
Logo ST Microelectronics
Description 4 BIT SYNCHRONOUS UP/DOWN COUNTERS
Datasheet M74HC190 DatasheetM74HC190 Datasheet (PDF)

M54/M74HC190 M54/M74HC191 4 BIT SYNCHRONOUS UP/DOWN COUNTERS . . . . . . . . HIGH SPEED fMAX = 48 MHz (TYP.) AT VCC = 5 V LOW POWER DISSIPATION ICC = 4 µA (MAX.) AT TA = 25 °C HIGH NOISE IMMUNITY VNIH = VNIL = 28 % VCC (MIN.) OUTPUT DRIVE CAPABILITY 10 LSTTL LOADS SYMMETRICAL OUTPUT IMPEDANCE IOH = IOL = 4 mA (MIN.) BALANCED PROPAGATION DELAYS tPLH = tPHL WIDE OPERATING VOLTAGE RANGE VCC (OPR) = 2 V TO 6 V PIN AND FUNCTION COMPATIBLE WITH 54/74LS190/191 B1R (Plastic Package) F1R (Ceramic P.

  M74HC190   M74HC190


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M54/M74HC190 M54/M74HC191 4 BIT SYNCHRONOUS UP/DOWN COUNTERS . . . . . . . . HIGH SPEED fMAX = 48 MHz (TYP.) AT VCC = 5 V LOW POWER DISSIPATION ICC = 4 µA (MAX.) AT TA = 25 °C HIGH NOISE IMMUNITY VNIH = VNIL = 28 % VCC (MIN.) OUTPUT DRIVE CAPABILITY 10 LSTTL LOADS SYMMETRICAL OUTPUT IMPEDANCE IOH = IOL = 4 mA (MIN.) BALANCED PROPAGATION DELAYS tPLH = tPHL WIDE OPERATING VOLTAGE RANGE VCC (OPR) = 2 V TO 6 V PIN AND FUNCTION COMPATIBLE WITH 54/74LS190/191 B1R (Plastic Package) F1R (Ceramic Package) M1R (Micro Package) C1R (Chip Carrier) ORDER CODES : M54HCXXXF1R M74HCXXXM1R M74HCXXXB1R M74HCXXXC1R PIN CONNECTIONS (top view) DESCRIPTION The M54/74HC190/191 are high speed CMOS 4-BIT SYNCHRONOUS UP/DOWN COUNTERS fabricated in silicon gate C2MOS technology. They have the same high speed performance of LSTTL combined with true CMOS low power consumption. State changes of the counter are synchronous with the LOW-to-HIGH transition of the Clock Pulse input. An asynchronous parallel load input overrides counting and loads the data present on the DATA inputs into the flip-flops, which makes it possible to use the circuits as programmable counters. A countenable input serves as the carry/borrow 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 variety of methods for generating carry/borrow signals in multistage counter applications. All inputs are equipped with protection circuits against static discharge and transient excess voltage. October 1992 NC = No Internal Connection 1/14 M54/M74HC190/191 INPUT AND OUTPUT EQUIVALENT CIRCUIT PIN DESCRIPTION PIN No 3, 2, 6, 7 4 5 11 12 13 14 15, 1, 10, 9 8 16 SYMBOL QA to QD ENABLE U/D LOAD MA/MI OUT RC CLOCK DA to DD GND VCC NAME AND FUNCTION Flip-Flop Outputs Count Enable Input (Active LOW) Parallel Data Input Load Input (Active LOW) Terminal Count Output Ripple Clock Output (Active LOW) Cloack Input (LOW to HIGH, Edge-triggered) Data Inputs Ground (0V) Positive Supply Voltage IEC LOGIC SYMBOL (HC190) IEC LOGIC SYMBOL (HC191) TRUTH TABLE LOAD L H H H H INPUTS ENABLE D/U X L L H X X L H X X CLOCK X QA a OUTPUS QB QC b c UP COUNT DOWN COUNT NO CHANGE NO CHANGE QD d FUNCTION PRESET DATA UP COUNT DOWN COUNT NO COUNT NO COUNT X: Don’t Care a - d: The level of steady state inputs at inputs a through D respectively 2/14 M54/M74HC190/191 LOGIC DIAGRAM (HC190) 3/14 M54/M74HC190/191 LOGIC DIAGRAM (HC191) 4/14 M54/M74HC190/191 TIMING CHART (HC190) TIMING CHART (HC191) 5/14 M54/M74HC190/191 ABSOLUTE MAXIMUM RATINGS Symbol VCC VI VO IIK IOK IO ICC or IGND PD Tstg TL Supply Voltage DC Input Voltage DC Output Voltage DC Input Diode Current DC Output Diode Current DC Output Source Sink Current Per Output Pin DC VCC or Ground Current Power Dissipation Storage Temperature Lead Temperature (10 sec) Parameter Value -0.5 to +7 -0.5 to VCC + 0.5 -0.5 to VCC + 0.5 ± 20 ± 20 ± 25 ± 50 500 (*) -65 to +150 300 Unit V V V mA mA mA mA mW o o C C Absolute Maximum Ratings are those values beyond which damage to the device may occur. Functional operation under these condition isnotimplied. (*) 500 mW: ≅ 65 oC derate to 300 mW by 10mW/oC: 65 oC to 85 oC RECOMMENDED OPERATING CONDITIONS Symbol VCC VI VO Top tr, tf Parameter Supply Voltage Input Voltage Output Voltage Operating Temperature: M54HC Series M74HC Series Input Rise and Fall Time Value 2 to 6 0 to VCC 0 to VCC -55 to +125 -40 to +85 0 to 1000 0 to 500 0 to 400 Unit V V V C o C ns o VCC = 2 V VCC = 4.5 V VCC = 6 V 6/14 M54/M74HC190/191 DC SPECIFICATIONS Test Conditions Symbol Parameter VCC (V) 2.0 4.5 6.0 2.0 4.5 6.0 V OH High Level Output Voltage 2.0 4.5 6.0 4.5 VOL Low Level Output Voltage 6.0 2.0 4.5 6.0 4.5 6.0 II ICC Input Leakage Current Quiescent Supply Current 6.0 6.0 VI = IO=-20 µA VIH or V IL IO=-4.0 mA IO=-5.2 mA VI = IO= 20 µA VIH or V IL IO= 4.0 mA IO= 5.2 mA VI = VCC or GND VI = VCC or GND 1.9 4.4 5.9 4.18 5.68 2.0 4.5 6.0 4.31 5.8 0.0 0.0 0.0 0.17 0.18 0.1 0.1 0.1 0.26 0.26 ±0.1 4 TA = 25 oC 54HC and 74HC Min. Typ. Max. 1.5 3.15 4.2 0.5 1.35 1.8 1.9 4.4 5.9 4.13 5.63 0.1 0.1 0.1 0.33 0.33 ±1 40 Value -40 to 85 oC -55 to 125 oC 74HC 54HC Min. Max. Min. Max. 1.5 3.15 4.2 0.5 1.35 1.8 1.9 4.4 5.9 4.10 5.60 0.1 0.1 0.1 0.40 0.40 ±1 80 µA µA V V 1.5 3.15 4.2 0.5 1.35 1.8 V V Unit VIH High Level Input Voltage Low Level Input Voltage V IL AC ELECTRICAL CHARACTERISTICS (C L = 50 pF, Input t r = tf = 6 ns) Test Conditions Symbol Parameter VCC (V) 2.0 4.5 6.0 2.0 4.5 6.0 2.0 4.5 6.0 2.0 4.5 6.0 2.0 4.5 6.0 TA = 25 oC 54HC and 74HC Min. Typ. Max. 30 75 8 15 7 13 92 23 20 39 13 11 120 30 26 108 27 23 180 36 31 120 24 20 240 48 41 205 41 35 Value -40 to 85 oC -55 to 125 oC 74HC 54HC Min. Max. Min. Max. 95 110 19 22 16 19 225 45 38 150 30 26 300 60 51 255 51 43 270 54 46 180 36 31 360 72 61 310 62 53 ns Unit tTLH tTHL tPLH tPHL tPLH tPHL tPLH tPHL tPLH tPHL Out.


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