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HD74HC393
Dual 4-bit Binary Counters
REJ03D0625-0200 (Previous ADE-205-504) Rev.2.00 Mar 30, 2006
Description
The HD74HC393 contain two 4-bit ripple carry binary counters, which can be cascaded to create a single divide-by-256 counter. The HD74HC393 is incremented on the high to low transition (negative edge) of the clock input, and each has an independent clear input. When clear is set high all four bits of each counter are set to a low level. This enables count truncation and allows the implementation of divide-by-N counter configurations.
Features
* High Speed Operation: tpd (A to QA) = 16 ns typ (CL = 50 pF) * High Output Current: Fanout of 10 LSTTL Loads * Wide Operating Voltage: VCC = 2 to 6 V * Low Input Current: 1 A max * Low Quiescent Supply Current: ICC (static) = 4 A max (Ta = 25C) * Ordering Information
Part Name HD74HC393P HD74HC393FPEL Package Type DILP-14 pin SOP-14 pin (JEITA) Package Code (Previous Code) PRDP0014AB-B (DP-14AV) PRSP0014DF-B (FP-14DAV) P FP Package Abbreviation -- EL (2,000 pcs/reel) Taping Abbreviation (Quantity)
Note: Please consult the sales office for the above package availability.
Function Table
Clock X H L Clear H L L L L Note: 1. H; High level, L; Low level, X; Irrelevant Outputs L No change No change No change Advance to next state
Rev.2.00 Mar 30, 2006 page 1 of 6
HD74HC393
Pin Arrangement
1A 1Clear 1QA 1QB 1QC 1QD GND
1 2 3 4 5 6 7 CLR QA QB A A QC QD QC QD CLR QA QB
14 13 12 11 10 9 8
VCC 2A 2Clear 2QA 2QB 2QC 2QD
Outputs
(Top view)
Logic Diagram
Clock C D Q Q QA
Outputs
C D
Q Q
QB
C D
Q Q
QC
C D Clear
Q Q
QD
Rev.2.00 Mar 30, 2006 page 2 of 6
HD74HC393
Absolute Maximum Ratings
Item Supply voltage range Input / Output voltage Input / Output diode current Output current VCC, GND current Power dissipation Symbol VCC VIN, VOUT IIK, IOK IOUT ICC or IGND PT Ratings -0.5 to 7.0 -0.5 to VCC +0.5 20 25 50 500 Unit V V mA mA mA mW
Storage temperature Tstg -65 to +150 C Note: The absolute maximum ratings are values, which must not individually be exceeded, and furthermore, no two of which may be realized at the same time.
Recommended Operating Conditions
Item Supply voltage Input / Output voltage Operating temperature Input rise / fall time Note:
*1
Symbol VCC VIN, VOUT Ta tr , tf
Ratings 2 to 6 0 to VCC -40 to 85 0 to 1000 0 to 500
Unit V V C ns
Conditions
VCC = 2.0 V VCC = 4.5 V VCC = 6.0 V
0 to 400 1. This item guarantees maximum limit when one input switches. Waveform: Refer to test circuit of switching characteristics.
Electrical Characteristics
Item Input voltage Symbol VCC (V) VIH 2.0 4.5 6.0 2.0 4.5 6.0 Output voltage VOH 2.0 4.5 6.0 4.5 VOL 6.0 2.0 4.5 6.0 4.5 6.0 Input current Quiescent supply current Iin ICC 6.0 6.0 Min 1.5 3.15 4.2 -- -- -- 1.9 4.4 5.9 4.18 5.68 -- -- -- -- -- -- -- Ta = 25C Typ Max -- -- -- -- -- -- 2.0 4.5 6.0 -- -- 0.0 0.0 0.0 -- -- -- -- -- -- -- 0.5 1.35 1.8 -- -- -- -- -- 0.1 0.1 0.1 0.26 0.26 0.1 4.0 Ta = -40 to+85C Unit Min Max 1.5 3.15 4.2 -- -- -- 1.9 4.4 5.9 4.13 5.63 -- -- -- -- -- -- -- -- -- -- 0.5 1.35 1.8 -- -- -- -- -- 0.1 0.1 0.1 0.33 0.33 1.0 40 IOH = 4 mA IOH = 5.2 mA A Vin = VCC or GND A Vin = VCC or GND, Iout = 0 A V V Vin = VIH or VIL IOH = -20 A V Test Conditions
VIL
V
IOH = -4 mA IOH = -5.2 mA Vin = VIH or VIL IOL = 20 A
Rev.2.00 Mar 30, 2006 page 3 of 6
HD74HC393
Switching Characteristics (CL = 50 pF, Input tr = tf = 6 ns)
Ta = 25C Item Maximum clock frequency Propagation delay time Symbol VCC (V) fmax 2.0 4.5 6.0 tPLH tPHL tPLH tPHL tPLH tPHL tPLH tPHL tPHL 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 Removal time th 2.0 4.5 6.0 2.0 4.5 6.0 -- Min -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 80 16 14 50 10 9 -- -- -- -- Typ -- -- -- -- 16 -- -- 20 -- -- 24 -- -- 28 -- -- 21 -- -- -- -- -- -- -- -- 5 -- 5 Max 5 25 29 120 24 20 185 37 31 220 44 37 260 52 44 150 30 28 -- -- -- -- -- -- 75 15 13 10 Ta = -40 to +85C Min -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 100 20 17 65 13 11 -- -- -- -- Max 4 20 24 150 30 26 230 46 39 275 55 47 325 65 55 190 38 33 -- -- -- -- -- -- 95 19 16 10 pF ns Clear to clock ns Clear to QA, QB, QC, QD ns Clock to QC ns Clock to QA Unit MHz Test Conditions
ns
Clock to QB
ns
Clock to QD
Pulse width
tw
ns
Clock, clear
Output rise/fall time Input capacitance
tTLH tTHL Cin
ns
Test Circuit
VCC VCC Output QA
See Function Table
Input Pulse Generator Zout = 50 Input Pulse Generator Zout = 50
A QB QC Clear QD
Output Output Output
CL = 50 pF CL = 50 pF CL = 50 pF
CL = 50 pF
Note : 1. CL includes probe and jig capacitance.
Rev.2.00 Mar 30, 2006 page 4 of 6
HD74HC393
Waveforms
* Waveform - 1
tr tf VCC Clock
50% 50% 50% 50%
tw
tw tPHL (Measure at tn+2)
90% 50% 10%
0V tPLH (Measure at tn+1)
90% 50% 10%
VOH VOL VOH VOL
QA
tTHL tPHL (Measure at tn+4)
90% 50% 10%
tTLH tPLH (Measure at tn+2)
90% 50% 10%
QB
tTHL tPHL (Measure at tn+8)
90%
tTLH tPLH (Measure at tn+4)
90% 50% 10%
VOH VOL
QC
50% 10%
tTHL tTLH tPHL (Measure at tn+16) tPLH (Measure at tn+8)
90% 90% 50% 10% 50% 10%
VOH VOL
QD
tTHL
tTLH
Notes: 1. Input waveform: PRR 1 MHz, Zo = 50 , tr 6 ns, tf 6 ns 2. tn is bit time with all outputs at low.
* Waveform - 2
tr 90 % 50 % 50 % 10 % t w(clear) t PHL
90%
tf VCC 10 % 0V
Clear
VOH 50 %
10%
QA to QD
VOL
tTHL
Notes: 1. Input waveform: PRR 1 MHz, Zo = 50 , tr 6 ns, tf 6 ns 2. The output are measured one at a time with one transition per measurement.
Rev.2.00 Mar 30, 2006 page 5 of 6
HD74HC393
Package Dimensions
JEITA Package Code P-DIP14-6.3x19.2-2.54 RENESAS Code PRDP0014AB-B Previous Code DP-14AV MASS[Typ.] 0.97g
D
14
8
1 b3
7
Z
A
E
Reference Symbol
A1
Dimension in Millimeters
Min
e
bp
e1
c
( Ni/Pd/Au plating )
e1 D E A A1 bp b3 c e Z L
Nom Max 7.62 19.2 20.32 6.3 7.4 5.06
L
0.51 0.40 0.48 0.56 1.30 0.19 0.25 0.31 0 15 2.29 2.54 2.79 2.39 2.54
JEITA Package Code P-SOP14-5.5x10.06-1.27
RENESAS Code PRSP0014DF-B
Previous Code FP-14DAV
MASS[Typ.] 0.23g
*1
D 8
F
14
NOTE) 1. DIMENSIONS"*1 (Nom)"AND"*2" DO NOT INCLUDE MOLD FLASH. 2. DIMENSION"*3"DOES NOT INCLUDE TRIM OFFSET.
bp
HE
E
Index mark
*2
Terminal cross section ( Ni/Pd/Au plating )
1 Z e
*3
7 bp x M L1
Reference Symbol
c
Dimension in Millimeters
A1
y
L
Detail F
D E A2 A1 A bp b1 c c1 HE e x y Z L L1
Min Nom Max 10.06 10.5 5.50 0.00 0.10 0.20 2.20 0.34 0.40 0.46 0.15 0.20 0.25 0 8 7.50 7.80 8.00 1.27 0.12 0.15 1.42 0.50 0.70 0.90 1.15
Rev.2.00 Mar 30, 2006 page 6 of 6
A
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