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HD74LS393
Dual 4-bit Binary Counters
REJ03D0486-0200 Rev.2.00 Feb.18.2005 This circuit contains eight master-slave flip-flops and additional gating to implement two individual four-bit counters. The HD74LS393 comprises two independent four-bit binary counters each having a clear and a clock input. N-bit binary counter can be implemented with each package providing the capability of divide-by-258.
Features
* Ordering Information
Part Name HD74LS393P HD74LS393FPEL HD74LS393RPEL Package Type DILP-14 pin SOP-14 pin (JEITA) SOP-14 pin (JEDEC) Package Code (Previous Code) PRDP0014AB-B (DP-14AV) PRSP0014DF-B (FP-14DAV) Package Abbreviation P FP Taping Abbreviation (Quantity) -- EL (2,000 pcs/reel) EL (2,500 pcs/reel)
PRSP0014DE-A RP (FP-14DNV) Note: Please consult the sales office for the above package availability.
Pin Arrangement
1A 1Clear 1QA 1QB Outputs 1QC 1QD GND
1 2 3 4 5 6 7
CLR QA A QB QC QD
14 13 12
CLR QA A QB QC QD
VCC 2A 2Clear 2QA 2QB Outputs 2QC 2QD
11 10 9 8
(Top view)
Rev.2.00, Feb.18.2005, page 1 of 6
HD74LS393
Function Table
Count 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 H; high level, L; low level Output QD L L L L L L L L H H H H H H H H QC L L L L H H H H L L L L H H H H QB L L H H L L H H L L H H L L H H QA L H L H L H L H L H L H L H L H
Block Diagram (1/2)
QA Input A T Clear QB T Clear QC T Clear QD T Clear Input Clear QD QC Outputs QB QA
Rev.2.00, Feb.18.2005, page 2 of 6
HD74LS393
Absolute Maximum Ratings
Item Supply voltage Input voltage Power dissipation Storage temperature Operating temperature Clear A Symbol VCC VIN VIN PT Tstg Topr Ratings 7 7 5.5 400 -65 to +150 -20 to +75 Unit V V V mW C C
Note: Voltage value, unless otherwise noted, are with respect to network ground terminal.
Recommended Operating Conditions
Item Supply voltage Output current Operating temperature Count frequency Pulse width Clear setup time A input A input high or low Clear high tsu Symbol VCC IOH IOL Topr count tw Min 4.75 -- -- -20 0 20 20 25 Typ 5.00 -- -- -- -- -- -- -- Max 5.25 -400 8 75 25 -- -- -- ns Unit V A mA C MHz ns
Electrical Characteristics
(Ta = -20 to +75 C)
Item Input voltage Symbol VIH VIL VOH Output voltage VOL Clear Input A Clear Input A Clear Input A IIH IIL II min. 2.0 -- 2.7 -- -- -- -- -- -- -- -- typ.* -- -- -- -- -- -- -- -- -- -- -- max. -- 0.8 -- 0.4 0.5 20 100 -0.4 -1.6 0.1 0.2 Unit V V V V A mA mA Condition
VCC = 4.75 V, VIH = 2 V, VIL = 0.8 V, IOH = -400 A IOL = 4 mA VCC = 4.75 V, IOL = 8 mA VIH = 2 V, VIL = 0.8 V VCC = 5.25 V, VI = 2.7 V VCC = 5.25 V, VI = 0.4 V VI = 7 V VI = 5.5 V VCC = 5.25 V
Input current
Short-circuit output current IOS -20 -- -100 mA VCC = 5.25 V Supply current ICC** -- 15 26 mA VCC = 5.25 V Input clamp voltage VIK -- -- -1.5 V VCC = 4.75 V, IIN = -18 mA Notes: * VCC = 5 V, Ta = 25C ** ICC is measured with all outputs open, both clear inputs grounded following momentary connection to 4.5 V, and all other inputs grounded.
Rev.2.00, Feb.18.2005, page 3 of 6
HD74LS393
Switching Characteristics
(VCC = 5 V, Ta = 25C)
Item Maximum count frequency Symbol max tPLH tPHL tPLH tPHL tPHL Inputs A A A Clear Outputs QA QA QD Any min. 25 -- -- -- -- -- typ. 35 12 13 40 40 24 max. -- 20 20 60 60 39 Unit MHz ns ns ns Condition
Propagation delay time
CL = 15 pF, RL = 2 k
Note: Refer to Test Circuit and Waveform of the Common Item "TTL Common Matter (Document No.: REJ27D00050100)".
Rev.2.00, Feb.18.2005, page 4 of 6
HD74LS393
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
E
Reference Symbol
Dimension in Millimeters Min Nom 7.62 19.2 6.3 20.32 7.4 5.06 0.51 0.40 0.48 1.30 0.19 0 2.29 2.54 0.25 0.31 15 2.79 2.39 2.54 0.56 Max
A
A1
e1 D E
L
A A1 bp
e
bp
e1
c
b3 c
e Z
( Ni/Pd/Au plating )
L
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
NOTE) 1. DIMENSIONS"*1 (Nom)"AND"*2" DO NOT INCLUDE MOLD FLASH. 2. DIMENSION"*3"DOES NOT INCLUDE TRIM OFFSET.
14
bp
HE
E
Index mark
*2
c
Reference Symbol
Dimension in Millimeters Min Nom 10.06 5.50 Max 10.5
Terminal cross section ( Ni/Pd/Au plating )
1 Z e
*3
D E A2 A1 0.00
7 bp x M L1
0.10
0.20 2.20
A bp b1 c c
1
0.34
0.40
0.46
0.15
0.20
0.25
A
HE
0 7.50 7.80 1.27
8 8.00
A1
y L
e x y
0.12 0.15 1.42 0.50
1
Detail F
Z L L 0.70 1.15
0.90
Rev.2.00, Feb.18.2005, page 5 of 6
HD74LS393
JEITA Package Code P-SOP14-3.95x8.65-1.27 RENESAS Code PRSP0014DE-A Previous Code FP-14DNV MASS[Typ.] 0.13g
*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
*2
Index mark
HE
E
c
Reference Symbol
Dimension in Millimeters Min Nom 8.65 3.95 Max 9.05
Terminal cross section ( Ni/Pd/Au plating )
1 Z e
*3
D E A2
7 bp x M L1
A1 A bp b1 c c
1
0.10
0.14
0.25 1.75
0.34
0.40
0.46
0.15
0.20
0.25
A
HE
0 5.80 6.10 1.27
8 6.20
A1
L
e x y
0.25 0.15 0.635 0.40
1
y
Detail F
Z L L 0.60 1.08
1.27
Rev.2.00, Feb.18.2005, page 6 of 6
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