Products > Integrated Circuits (ICs) > Counter ICs > SN74HC193QPWRQ1
SN74HC193QPWRQ1 TSSOP-16
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  • SN74HC193QPWRQ1
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SN74HC193QPWRQ1

Automotive Catalog 4-Bit Synchronous Up/Down Counters (Dual Clock With Clear) 16-TSSOP -40 to 125,Counter ICs 4 Bit Sync Up Down Counter

Manufacturer :
Texas Instruments, Inc
Package/Case :
TSSOP-16
Product Categories :
Counter ICs
Datasheet:
SN74HC193QPWRQ1 PDF
RoHs Status:
Rohs
Marking Code:
HC193Q
In-stock:
2000

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SN74HC193QPWRQ1 Product Details

The ’HC193 devices are 4-bit synchronous, reversible, up/down binary counters. Synchronous operation is provided by having all flip-flops clocked simultaneously so that the outputs change coincidentally with each other when so instructed by the steering logic. This mode of operation eliminates the output counting spikes normally associated with asynchronous (ripple-clock) counters.

The outputs of the four flip-flops are triggered on a low-to-high-level transition of either count (clock) input (UP or DOWN). The direction of counting is determined by which count input is pulsed while the other count input is high.

All four counters are fully programmable; that is, each output may be preset to either level by placing a low on the load (LOAD)\ input and entering the desired data at the data inputs. The output changes to agree with the data inputs independently of the count pulses. This feature allows the counters to be used as modulo-N dividers simply by modifying the count length with the preset inputs.

A clear (CLR) input has been provided that forces all outputs to the low level when a high level is applied. The clear function is independent of the count and LOAD\ inputs.

These counters were designed to be cascaded without the need for external circuitry. The borrow (BO)\ output produces a low-level pulse while the count is zero (all outputs low) and DOWN is low. Similarly, the carry (CO)\ output produces a low-level pulse while the count is maximum (9 or 15), and UP is low. The counters then can be cascaded easily by feeding BO\ and CO\ to DOWN and UP, respectively, of the succeeding counter.

Feature

  • Wide Operating Voltage Range of 2 V to 6 V
  • Outputs Can Drive Up To 10 LSTTL Loads
  • Low Power Consumption, 80-μA Max ICC
  • Typical tpd = 20 ns
  • ±4-mA Output Drive at 5 V
  • Low Input Current of 1 μA Max
  • Look-Ahead Circuitry Enhances Cascaded Counters
  • Fully Synchronous in Count Modes
  • Parallel Asynchronous Load for Modulo-N Count Lengths
  • Asynchronous Clear

Technical Parameters

Counter Type Binary Counters Operating Temperature Range - 40 C to + 125 C
Logic Family CMOS Package / Case TSSOP-16
Number of Bits 4 Packaging Reel
Counting Method Asynchronous Mounting Style SMD/SMT
Counting Sequence Up/Down Factory Pack Quantity 2000
Operating Supply Voltage 2 V to 6 V

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Texas Instruments Incorporated designs and manufactures analog technologies, digital signal processing (DSP) and microcontroller (MCU) semiconductors. TI is a leader in semiconductor solutions for ana...
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