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HD74HC4518, HD74HC4520
Dual BCD Up Counters Dual Binary Up Counters
REJ03D0653-0200 (Previous ADE-205-542) Rev.2.00 Mar 30, 2006
Description
The HD74HC4518 dual BCD counter and the HD74HC4520 dual binary counter consist of two identical, independent, internally synchronous 4-stage counters. The counter stages are type D flip-flops, with interchangeable Clock and Enable lines for incrementing on either the positive-going or negative-going transition as required when cascading multiple stages. Each counter can be cleared by applying a high level on the Reset line. In addition, the HD74HC4518 will count out of all undefined states within two clock periods. These complementary MOS up counters find primary use in multi-stage synchronous or ripple counting applications requiring low power dissipation and/or high noise immunity.
Features
* * * * * * High Speed Operation 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 HD74HC4518P HD74HC4520P HD74HC4518FPEL HD74HC4520FPEL HD74HC4520RPEL Package Type DILP-16 pin SOP-16 pin (JEITA) SOP-16 pin (JEDEC) Package Code (Previous Code) PRDP0016AE-B (DP-16FV) PRSP0016DH-B (FP-16DAV) Package Abbreviation P FP -- EL (2,000 pcs/reel) EL (2,000 pcs/reel) Taping Abbreviation (Quantity)
PRSP0016DG-A RP (FP-16DNV) Note: Please consult the sales office for the above package availability.
Function Table
Clock L X X L H X Notes: 1. X: Don't care X Enable H Reset L L L L L L H Operation Increment counter Increment counter No change No change No change No change Q0 to Q3 = L
Rev.2.00, Mar 30, 2006 page 1 of 8
HD74HC4518, HD74HC4520
Pin Arrangement
Clock A Enable A Q0 A Q1 A Q2 A Q3 A Reset A GND 1 2 3 4 5 6 7 8 (Top view) C Q0 Q1 Q2 Q3 R R Q3 Q2 Q1 Q0 C 16 VCC 15 Reset B 14 Q3 B 13 Q2 B 12 Q1 B 11 Q0 B 10 Enable B 9 Clock B
Block Diagram
HD74HC4518
Q0 Q1 Q2 Q3
D
Q Q R
D
Q Q R
D
Q Q R
D
Q Q R
C Reset
C
C
C
Enable Clock
Rev.2.00, Mar 30, 2006 page 2 of 8
HD74HC4518, HD74HC4520 HD74HC4520
Q0 Q1 Q2 Q3
D
Q Q R
D
Q Q R
D
Q Q R
D
Q Q R
C Reset
C
C
C
Enable Clock
Timing Diagram
1 Clock Enable Reset 1 Q0 Q1 HD74HC4518 Q2 Q3 Q0 Q1 HD74HC4520 Q2 Q3 23 4 56 7 8 9 0 1 2 3 4 5 6 7 8 9 0 23 4 56 7 8 9 10 11 12 13 14 15 16 17 18
1
23
4
56
7
8
9 10 11 12 13 14 15 0
1
2
34
Rev.2.00, Mar 30, 2006 page 3 of 8
HD74HC4518, HD74HC4520
Absolute Maximum Ratings
Item Supply voltage range Input / Output voltage Input / Output diode current Output current VCC, GND current Power dissipation Storage temperature Symbol VCC VIN, VOUT IIK, IOK IOUT ICC or IGND PT Tstg Ratings -0.5 to 7.0 -0.5 to VCC +0.5 20 25 50 500 -65 to +150 Unit V V mA mA mA mW 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*1 Symbol VCC VIN, VOUT Ta tr, tf Ratings 2 to 6 0 to VCC -40 to 85 0 to 1000 0 to 500 0 to 400 Unit V V C ns Conditions
VCC = 2.0 V VCC = 4.5 V VCC = 6.0 V
Notes: 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 VIL 4.5 6.0 VOH 2.0 4.5 6.0 4.5 6.0 2.0 VOL 4.5 6.0 4.5 6.0 Iin 6.0 6.0 ICC Min 1.5 3.15 4.2 -- -- -- 1.9 4.4 5.9 4.18 5.68 -- -- -- -- -- -- -- Ta = 25C Typ Max -- -- -- -- -- -- -- 0.5 -- 1.35 -- 1.8 2.0 -- 4.5 -- 6.0 -- -- -- -- -- 0.0 0.1 0.0 0.1 0.0 0.1 -- 0.26 -- 0.26 -- 0.1 -- 4.0 Ta = -40 to+85C Min Max 1.5 -- 3.15 -- 4.2 -- -- 0.5 -- 1.35 -- 1.8 1.9 -- 4.4 -- 5.9 -- 4.13 -- 5.63 -- -- 0.1 -- 0.1 -- 0.1 -- 0.33 -- 0.33 -- 1.0 -- 40 Unit V Test Conditions
V
Output voltage
V
Vin = VIH or VIL IOH = -20 A
V
Vin = VIH or VIL
IOH = -4 mA IOH = -5.2 mA IOL = 20 A
Input current Quiescent supply current
A A
IOH = 4 mA IOH = 5.2 mA Vin = VCC or GND Vin = VCC or GND, Iout = 0 A
Rev.2.00, Mar 30, 2006 page 4 of 8
HD74HC4518, HD74HC4520
Switching Characteristics
(CL = 50 pF, Input tr = tf = 6 ns)
Item Maximum clock frequency Propagation delay time Symbol VCC (V) fmax 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 Output rise/fall time tTLH tTHL Cin 2.0 4.5 6.0 -- Min -- -- -- -- -- -- -- -- -- -- -- -- 80 16 14 0 0 0 -- -- -- -- Ta = 25C Typ Max -- 5 -- 27 -- 32 -- 190 22 38 -- -- 22 -- -- 17 -- -- 7 -- -- -3 -- -- -- -- 5 32 200 40 34 190 38 32 -- -- -- -- -- -- 75 15 13 10 Ta = -40 to +85C Min Max -- 4 -- 21 -- 25 -- 240 -- 48 -- -- -- -- -- -- -- 100 20 17 0 0 0 -- -- -- -- 41 250 50 43 240 48 41 -- -- -- -- -- -- 95 19 16 10 ns Unit MHz Test Conditions
tPLH tPHL tPLH tPHL tPLH tPHL
ns
Clock to Q
ns
Reset to Q
ns
Enable to Q
Pulse width
tw
ns
Removal time
trem
ns
Reset clock
Input capacitance
pF
Test Circuit
VCC VCC
Output
See Function Table
Input Pulse Generator Zout = 50 Input Pulse Generator Zout = 50
Clock Q0 Enable Q3 Reset CL = 50 pF Output CL = 50 pF
Note : 1. CL includes probe and jig capacitance.
Rev.2.00, Mar 30, 2006 page 5 of 8
HD74HC4518, HD74HC4520
Waveforms
* Waveform - 1
Reset
10%
tr
90% 50% 90% 50%
tf VCC
10%
0V
tw Clock
trem
90% 50% 10% 90% 10%
VOH VOL
tPHL
90%
tTLH
90% 50% 10% 10%
tTHL VOH VOL tTLH
Qn
tTHL
Note: 1. Input waveform: PRR 1 MHz, Zo = 50 , tr 6 ns, tf 6 ns
* Waveform - 2
tr Clock tf VCC
50% 50% 50%
0V tw tPLH
90%
tPHL
90% 50% 10%
VOH VOL
Qn
50% 10%
tTLH
tTHL
Note: 1. Input waveform: PRR 1 MHz, Zo = 50 , tr 6 ns, tf 6 ns
* Waveform - 3
tf
90% 50% 10% 10%
tr
90% 50%
VCC
50%
Enable
tw tPLH
90%
0V tPHL
90% 50% 10%
VOH VOL
Qn
50% 10%
tTLH
tTHL
Note: 1. Input waveform: PRR 1 MHz, Zo = 50 , tr 6 ns, tf 6 ns
Rev.2.00, Mar 30, 2006 page 6 of 8
HD74HC4518, HD74HC4520
Package Dimensions
JEITA Package Code P-DIP16-6.3x19.2-2.54 RENESAS Code PRDP0016AE-B Previous Code DP-16FV MASS[Typ.] 1.05g
D
16
9
1 0.89 b3
8
Z
A1
A
E
Reference Symbol
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 1.12 2.54
JEITA Package Code P-SOP16-3.95x9.9-1.27
RENESAS Code PRSP0016DG-A
Previous Code FP-16DNV
MASS[Typ.] 0.15g
*1
D 9
F
16
NOTE) 1. DIMENSIONS"*1 (Nom)"AND"*2" DO NOT INCLUDE MOLD FLASH. 2. DIMENSION"*3"DOES NOT INCLUDE TRIM OFFSET.
bp
E HE
Index mark
*2
Terminal cross section ( Ni/Pd/Au plating )
1 Z e
*3
c
8 bp x M L1
Reference Dimension in Millimeters Symbol
A1
L
y
Detail F
D E A2 A1 A bp b1 c c1 HE e x y Z L L1
Min Nom Max 9.90 10.30 3.95
0.10 0.14 0.25 1.75 0.34 0.40 0.46 0.15 0.20 0.25 0 8 5.80 6.10 6.20 1.27 0.25 0.15 0.635 0.40 0.60 1.27 1.08
Rev.2.00, Mar 30, 2006 page 7 of 8
A
HD74HC4518, HD74HC4520
JEITA Package Code P-SOP16-5.5x10.06-1.27 RENESAS Code PRSP0016DH-B Previous Code FP-16DAV MASS[Typ.] 0.24g
*1
D F 9
16
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
8 bp x M L1
Reference Dimension in Millimeters Symbol
c
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 0.80 0.50 0.70 0.90 1.15
Rev.2.00, Mar 30, 2006 page 8 of 8
A
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