IN74HC192A IKSEMICON [IK Semicon Co., Ltd], IN74HC192A Datasheet

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IN74HC192A

Manufacturer Part Number
IN74HC192A
Description
Presettable BCD/Decade UP/DOWN Counter High-Performance Silicon-Gate CMOS
Manufacturer
IKSEMICON [IK Semicon Co., Ltd]
Datasheet
Presettable BCD/Decade UP/DOWN Counter
High-Performance Silicon-Gate CMOS
inputs are compatible with standard CMOS outputs; with pullup resistors,
they are compatible with LS/ALSTTL outputs.
Count Down Clock inputs. The direction of counting is determined by
which input is clocked. The outputs change state synchronous with the
LOW-to-HIGH transitions on the clock inputs. This counter may be preset
by entering the desired data on the P0, P1, P2, P3 input. When the Parallel
Load input is taken low the data is loaded independently of either clock
input. This feature allows the counters to be used as devide-by-n by
modifying the count lenght with the preset inputs. In addition the counter
can also be cleared. This is accomplished by inputting a high on the
Master Reset input. All 4 internal stages are set to low independently of
either clock input.Both a Terminal Count Down (TC
Count Up (TC
down counting functions. The TC
when the counter underflows and TC
overflows. The counter can be cascaded by connecting the TC
outputs of one device to the Count Up Clock and Count Down Clock
inputs, respectively, of the next device.
• Outputs Directly Interface to CMOS, NMOS, and TTL
• Operating Voltage Range: 2.0 to 6.0 V
• Low Input Current: 1.0 µA
• High Noise Immunity Characteristic of CMOS Devices
The IN74HC192A is identical in pinout to the LS/ALS192. The device
The counter has two separate clock inputs, a Count Up Clock and
U
) Outputs are provided to enable cascading of both up and
D
output produces a negative going pulse
U
LOGIC DIAGRAM
outputs a pulse when the counter
PIN 8 = GND
PIN 16 =V
CC
D
) and Terminal
U
and TC
D
T
A
ORDERING INFORMATION
= -55° to 125° C for all packages
IN74HC192AN Plastic
PIN ASSIGNMENT
IN74HC192AD SOIC
TECHNICAL DATA
IN74HC192A
Rev. 00

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IN74HC192A Summary of contents

Page 1

... Presettable BCD/Decade UP/DOWN Counter High-Performance Silicon-Gate CMOS The IN74HC192A is identical in pinout to the LS/ALS192. The device inputs are compatible with standard CMOS outputs; with pullup resistors, they are compatible with LS/ALSTTL outputs. The counter has two separate clock inputs, a Count Up Clock and Count Down Clock inputs ...

Page 2

... Unused inputs must always be tied to an appropriate logic voltage level (e.g., either GND or V outputs must be left open and GND Pins SOIC Package+ Parameter and V should be constrained to the range GND≤(V IN OUT IN74HC192A Value Unit -0.5 to +7 ±20 mA ±25 mA ±50 750 mW 500 -65 to +150 ° ...

Page 3

... Up, and follow the sequence 15, 14, 13, 12, 11, 10 counting Down. Logic equations For Terminal Count • • IN74HC192A Guaranteed Limit Unit 25 °C ≤85 ≤125 to °C °C -55°C 1.5 1.5 1.5 V 3.15 3 ...

Page 4

... IN74HC192A Guaranteed Limit Unit ≤85°C ≤125°C 3.2 2.6 MHz 270 325 270 325 155 190 110 ns 20 ...

Page 5

... Figure 1. Switching Waveforms Figure 3. Switching Waveforms Figure 5. Switching Waveforms IN74HC192A Figure 2. Switching Waveforms Figure 4. Switching Waveforms Figure 6. Test Circuit Rev. 00 ...

Page 6

... TIMING DIAGRAM IN74HC192A Rev. 00 ...

Page 7

... EXPANDED LOGIC DIAGRAM IN74HC192A Rev. 00 ...

Page 8

... Maximum mold flash or protrusion 0.15 mm (0.006) per side for A; for B ‑ 0.25 mm (0.010) per side. N SUFFIX PLASTIC DIP (MS - 001BB SEATING -T- PLANE SUFFIX SOIC (MS - 012AC SEATING PLANE IN74HC192A Dimension, mm Symbol MIN MAX A 18.67 19.69 B 6.1 7.11 5. 0.36 0.56 F 1.14 1. ° 10 ° 2.92 3 ...

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