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74LV393DPHILIPSN/a59995avaiDual 4-bit binary ripple counter
74LV393PWPHILIPSN/a7avaiDual 4-bit binary ripple counter


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74LV393D-74LV393PW
Dual 4-bit binary ripple counter
Product specification
Supersedes data of 1997 Mar 04
IC24 Data Handbook
1997 Jun 10
Philips Semiconductors Product specification
74LV393Dual 4-bit binary ripple counter
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
DESCRIPTION

The 74LV393 is a low–voltage 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 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.
QUICK REFERENCE DATA

GND = 0V; Tamb = 25°C; tr = tf 2.5 ns
NOTE:
CPD is used to determine the dynamic power dissipation (PD in μW)
PD = CPD  VCC 2  fi  (CL  VCC 2  fo) where:
fi = input frequency in MHz; CL = output load capacity in pF;
fo = output frequency in MHz; VCC = supply voltage in V;
 (CL  VCC 2  fo) = sum of the outputs.
ORDERING INFORMATION
PIN CONFIGURATION
PIN DESCRIPTION
Philips Semiconductors Product specification
74LV393Dual 4-bit binary ripple counter
LOGIC SYMBOL
LOGIC SYMBOL (IEEE/IEC)
FUNCTIONAL DIAGRAM
STATE DIAGRAM
COUNT SEQUENCE FOR 1 COUNTER
Philips Semiconductors Product specification
74LV393Dual 4-bit binary ripple counter
LOGIC DIAGRAM
RECOMMENDED OPERATING CONDITIONS
NOTES:
The LV is guaranteed to function down to VCC = 1.0V (input levels GND or VCC); DC characteristics are guaranteed from VCC = 1.2V to VCC =3.6V.
ABSOLUTE MAXIMUM RATINGS1, 2

In accordance with the Absolute Maximum Rating System (IEC 134).
Voltages are referenced to GND (ground = 0V).
NOTES:
Stresses beyond those listed may cause permanent damage to the device. These are stress ratings only and functional operation of the
device at these or any other conditions beyond those indicated under “recommended operating conditions” is not implied. Exposure to
absolute-maximum-rated conditions for extended periods may affect device reliability.
Philips Semiconductors Product specification
74LV393Dual 4-bit binary ripple counter
DC CHARACTERISTICS FOR THE LV FAMILY

Over recommended operating conditions. Voltages are referenced to GND (ground = 0V).
NOTE:
All typical values are measured at Tamb = 25°C.
Philips Semiconductors Product specification
74LV393Dual 4-bit binary ripple counter
AC CHARACTERISTICS

GND = 0V; tr = tf ≤ 2.5ns; CL = 50pF; RL = �K�
NOTES:
All typical values are measured at Tamb = 25°C Typical values are measured at VCC = 3.3V
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