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74LV393

Features: • Optimized for Low Voltage applications: 1.0 to 3.6V• Accepts TTL input levels between VCC = 2.7V and VCC = 3.6V• Typical VOLP (output ground bounce)< 0.8V @ VCC = 3.3V,Tamb = 25°C• Typical VOHV (output VOH undershoot)> 2V @ VCC = 3.3V,Tamb = 25°C• Two 4-bi...

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SeekIC No. : 004251172 Detail

74LV393: Features: • Optimized for Low Voltage applications: 1.0 to 3.6V• Accepts TTL input levels between VCC = 2.7V and VCC = 3.6V• Typical VOLP (output ground bounce)< 0.8V @ VCC = 3.3V,...

74LV393 Data Sheet

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Part Number:
74LV393
Supply Ability:
5000

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Product Details

Description



Features:

• Optimized for Low Voltage applications: 1.0 to 3.6V
• Accepts TTL input levels between VCC = 2.7V and VCC = 3.6V
• Typical VOLP (output ground bounce) < 0.8V @ VCC = 3.3V,Tamb = 25°C
• Typical VOHV (output VOH undershoot) > 2V @ VCC = 3.3V,Tamb = 25°C
• Two 4-bit binary counters with individual clocks
• Divide-by any binary module up to 28 in one package
• Two master resets to clear each 4-bit counter individually
• Output capability: standard
• ICC category: MSI


Pinout

Connection Diagram


Specifications

In accordance with the Absolute Maximum Rating System (IEC 134).Voltages are referenced to GND
(ground = 0V).
SYMBOL PARAMETER CONDITIONS RATING UNIT
VCC DC supply voltage   0.5 to +7.0 V
±IIK DC input diode current VI < 0.5 or VI > VCC + 0.5V 20 mA
±IOK DC output diode current VO < 0.5 or VO > VCC + 0.5V 50 mA
±IO DC output source or sink current
standard outputs		 0.5V < VO < VCC + 0.5V 25 mA
±IGND,
±ICC		 DC VCC or GND current for types with
standard outputs		   50 mA
Tstg Storage temperature range   65 to +150
PTOT Power dissipation per package
plastic DIL
plastic mini-pack (SO)
plastic shrink mini-pack (SSOP   and TSSOP)		 for temperature range: 40 to +125
above +70derate linearly with 12 mW/K
above +70 derate linearly with 8 mW/K
above +60 derate linearly with 5.5 mW/K
750

500

400		 mW



Description

The 74LV393 is a lowvoltage Si-gate CMOS device and is pin and function compatible with 74HC/HCT393.

The 74LV393 is a dual 4-bit binary ripple counter with separate clocks (1CP, 2CP) and master reset (1MR, 2MR) inputs to each counter.

The operation of each half of the 393 is the same as the 93 except no external clock connections are required. The counters are triggered by a HIGH-to-LOW transition of the clock inputs. The counter outputs are internally connected to provide clock inputs to succeeding stages. The outputs of the ripple counter do not change synchronously and should not be used for high-speed address decoding.

The master resets of the 74LV393 are active-HIGH asynchronous inputs to each 4-bit counter identified by the 1 and 2 in the pin description.

A HIGH level on the nMR input overrides the clock and sets the outputs LOW.




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