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TECHNICAL DATA
IN74HC393A
Dual 4-Stage Binary Ripple Counter
High-Performance Silicon-Gate CMOS
The IN74HC393A is identical in pinout to the LS/ALS393. The device inputs are compatible with standard CMOS outputs; with pullup resistors, they are compatible with LS/ALSTTL outputs. This device consists of two independent 4-bit binary ripple counters with parallel outputs from each counter stage. A/256 counter can be obtained by cascading the two binary counters. Internal flip-flops are triggered by high-to-low transitions of the clock input. Reset for the counters is asynchronous and active-high. State changes of the Q outputs do not occur simultaneously because of internal ripple delays. Therefore, decoded output signals are subject to decoding spikes and should not be used as clocks or as strobes except when gated with the Clock of the IN74HC393A. * Outputs Directly Interface to CMOS, NMOS, and TTL * Operating Voltage Range: 2.0 to 6.0 V * Low Input Current: 1.0 A * High Noise Immunity Characteristic of CMOS Devices
ORDERING INFORMATION IN74HC393AN Plastic IN74HC393AD SOIC TA = -55 to 125 C for all packages
PIN ASSIGNMENT
LOGIC DIAGRAM
FUNCTION TABLE
Inputs Clock X PIN 14 =VCC PIN 7 = GND H L Reset H L L L L X = don't care L No Change No Change No Change Advance to Next State Outputs
Rev. 00
IN74HC393A
MAXIMUM RATINGS*
Symbol VCC VIN VOUT IIN IOUT ICC PD Tstg TL
*
Parameter DC Supply Voltage (Referenced to GND) DC Input Voltage (Referenced to GND) DC Output Voltage (Referenced to GND) DC Input Current, per Pin DC Output Current, per Pin DC Supply Current, VCC and GND Pins Power Dissipation in Still Air, Plastic DIP+ SOIC Package+ Storage Temperature Lead Temperature, 1 mm from Case for 10 Seconds (Plastic DIP or SOIC Package)
Value -0.5 to +7.0 -1.5 to VCC +1.5 -0.5 to VCC +0.5 20 25 50 750 500 -65 to +150 260
Unit V V V mA mA mA mW C C
Maximum Ratings are those values beyond which damage to the device may occur. Functional operation should be restricted to the Recommended Operating Conditions. +Derating - Plastic DIP: - 10 mW/C from 65 to 125C SOIC Package: : - 7 mW/C from 65 to 125C
RECOMMENDED OPERATING CONDITIONS
Symbol VCC VIN, VOUT TA tr, tf Parameter DC Supply Voltage (Referenced to GND) DC Input Voltage, Output Voltage (Referenced to GND) Operating Temperature, All Package Types Input Rise and Fall Time (Figure 1) VCC =2.0 V VCC =4.5 V VCC =6.0 V Min 2.0 0 -55 0 0 0 Max 6.0 VCC +125 1000 500 400 Unit V V C ns
This device contains protection circuitry to guard against damage due to high static voltages or electric fields. However, precautions must be taken to avoid applications of any voltage higher than maximum rated voltages to this high-impedance circuit. For proper operation, VIN and VOUT should be constrained to the range GND(VIN or VOUT)VCC. Unused inputs must always be tied to an appropriate logic voltage level (e.g., either GND or VCC). Unused outputs must be left open.
Rev. 00
IN74HC393A
DC ELECTRICAL CHARACTERISTICS (Voltages Referenced to GND)
VCC Symbol Parameter Test Conditions V Guaranteed Limit 25 C to -55C 1.5 3.15 4.2 0.3 0.9 1.2 1.9 4.4 5.9 3.98 5.48 0.1 0.1 0.1 0.26 0.26 0.1 8.0 85 C 1.5 3.15 4.2 0.3 0.9 1.2 1.9 4.4 5.9 3.84 5.34 0.1 0.1 0.1 0.33 0.33 1.0 80 125 C 1.5 3.15 4.2 0.3 0.9 1.2 1.9 4.4 5.9 3.7 5.2 0.1 0.1 0.1 0.4 0.4 1.0 160 A A V Unit
VIH
Minimum HighLevel Input Voltage Maximum Low Level Input Voltage Minimum HighLevel Output Voltage
VOUT=0.1 V or VCC-0.1 V IOUT 20 A VOUT=0.1 V or VCC-0.1 V IOUT 20 A VIN=VIH or VIL IOUT 20 A VIN=VIH or VIL IOUT 4.0 mA IOUT 5.2 mA
2.0 4.5 6.0 2.0 4.5 6.0 2.0 4.5 6.0 4.5 6.0 2.0 4.5 6.0 4.5 6.0 6.0 6.0
V
VIL
V
VOH
V
VOL
Maximum LowLevel Output Voltage
VIN=VIH or VIL IOUT 20 A VIN=VIH or VIL IOUT 4.0 mA IOUT 5.2 mA
IIN ICC
Maximum Input Leakage Current Maximum Quiescent Supply Current (per Package)
VIN=VCC or GND VIN=VCC or GND IOUT=0A
Rev. 00
IN74HC393A
AC ELECTRICAL CHARACTERISTICS (CL=50pF,Input tr=tf=6.0 ns)
VCC Symbol fmax Parameter Maximum Clock Frequency (50% Duty Cycle) (Figures 1 and 3) Maximum Propagation Delay, Clock to Q1 (Figures 1 and 3) Maximum Propagation Delay, Clock to Q2 (Figures 1 and 3) Maximum Propagation Delay, Clock to Q3 (Figures 1 and 3) Maximum Propagation Delay, Clock to Q4 (Figures 1 and 3) Maximum Propagation Delay, Reset to any Q (Figures 2 and 3) Maximum Output Transition Time, Any Output (Figures 1 and 3) Maximum Input Capacitance Power Dissipation Capacitance (Per Counter) CPD Used to determine the no-load dynamic power consumption: PD=CPDVCC2f+ICCVCC 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 2.0 4.5 6.0 2.0 4.5 6.0 Guaranteed Limit 25 C to -55C 5.4 27 32 120 24 20 190 38 32 240 48 41 290 58 49 165 33 28 75 15 13 10 85C 4.4 22 26 150 30 26 240 48 41 300 60 51 365 73 62 205 41 35 95 19 16 10 125C 3.6 18 21 180 36 31 285 57 48 360 72 61 435 87 74 250 50 43 110 22 19 10 Unit MH z ns
tPLH, tPHL
tPLH, tPHL
ns
tPLH, tPHL
ns
tPLH, tPHL
ns
tPHL
ns
tTLH, tTHL
ns
CIN
pF
Typical @25C,VCC=5.0 V 40 pF
TIMING REQUIREMENTS(CL=50pF,Input tr=tf=6.0 ns)
VCC Symbol trec Parameter Minimum Recovery Time, Reset Inactive to Clock (Figure 2) Minimum Pulse Width, Clock (Figure 1) Minimum Pulse Width, Set (Figure 2) Maximum Input Rise and Fall Times (Figure 1) 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 50 10 9 80 16 14 125 25 21 1000 500 400 Guaranteed Limit 25 C to-55C 85C 65 13 11 100 20 17 155 31 26 1000 500 400 125C 75 15 13 120 24 20 190 38 32 1000 500 400 Unit ns
tw
ns
tw
ns
tr, tf
ns
Rev. 00
IN74HC393A
Figure 1. Switching Waveform
Figure 2. Switching Waveform
Figure 4.Test Circuit
EXPANDED LOGIC DIAGRAM
Rev. 00
IN74HC393A
TIMING DIAGRAM
COUNT SEQUENCE Outputs Count 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Q4 L L L L L L L L H H H H H H H H Q3 L L L L H H H H L L L L H H H H Q2 L L H H L L H H L L H H L L H H Q1 L H L H L H L H L H L H L H L H
Rev. 00
IN74HC393A
N SUFFIX PLASTIC DIP (MS - 001AA)
A 14 8 B 1 7
Dimension, mm Symbol A B C MIN 18.67 6.1 MAX 19.69 7.11 5.33 0.36 1.14 2.54 7.62 0 2.92 7.62 0.2 0.38 10 3.81 8.26 0.36 0.56 1.78
F
L
D F
C -T- SEATING N G D 0.25 (0.010) M T K
PLANE
G H
H J
M
J K L M N
NOTES: 1. Dimensions "A", "B" do not include mold flash or protrusions. Maximum mold flash or protrusions 0.25 mm (0.010) per side.
D SUFFIX SOIC (MS - 012AB) Dimension, mm
8
A 14
Symbol A
MIN 8.55 3.8 1.35 0.33 0.4 1.27 5.27 0 0.1 0.19 5.8 0.25
MAX 8.75 4 1.75 0.51 1.27
H
B
P
B C
1
G
7 C R x 45
D F G
-TD 0.25 (0.010) M T C M K
SEATING PLANE
H
J F M
J K M P R
8 0.25 0.25 6.2 0.5
NOTES: 1. Dimensions A and B do not include mold flash or protrusion. 2. Maximum mold flash or protrusion 0.15 mm (0.006) per side for A; for B 0.25 mm (0.010) per side.
Rev. 00

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