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HD74LS258
Quadruple 2-line-to-1-line Data Selectors / Multiplexers (with three-state outputs)
REJ03D0470-0300 Rev.3.00 Jul.15.2005 This multiplexer features three-state outputs that can interface directly with and drive data lines of bus-organized systems. With all but one of the common outputs disabled (at a high-impedance state) the low impedance of the single enabled output will drive the bus line to a high or low logic level. To minimize the possibility that two outputs will attempt to take a common bus to opposite logic levels, the outputenable circuitry is designed such that the output disable times are shorter than the output enable times.
Features
* Ordering Information
Part Name HD74LS258FPEL Package Type SOP-16 pin (JEITA) Package Code (Previous Code) PRSP0016DH-B (FP-16DAV) Package Abbreviation FP Taping Abbreviation (Quantity) EL (2,000 pcs/reel)
Pin Arrangement
Select 1A Inputs 1B Output 1Y 2A Inputs 2B Output 2Y GND
1 S 2 3 4 5 6 7 8 1A 1B 1Y 2A 2B 2Y 3Y G 4A 4B 4Y 3A 3B
16 15 14 13 12 11 10 9
VCC Output Control 4A Inputs 4B 4Y Output 3A Inputs 3B 3Y Output
(Top view)
Rev.3.00, Jul.15.2005, page 1 of 6
HD74LS258
Function Table
Inputs OC H L L L L S X L L H H A X L H X X B X X X L H Output Y Z H L H L
Note: H; high level, L; low level, X; irrelevant, Z; off (high-impedance) state of a 3-state output
Block Diagram
Output Control 1A 1B 2A 2B 3A 3B 4A 4B 4Y 3Y 2Y 1Y
S
Absolute Maximum Ratings
Item Supply voltage Input voltage Power dissipation Storage temperature Symbol VCC VIN PT Tstg Ratings 7 7 400 -65 to +150 Unit V V mW C
Note: Voltage value, unless otherwise noted, are with respect to network ground terminal.
Recommended Operating Conditions
Item Supply voltage Output current Operating temperature Symbol VCC IOH IOL Topr Min 4.75 -- -- -20 Typ 5.00 -- -- 25 Max 5.25 -2.6 8 75 Unit V mA mA C
Rev.3.00, Jul.15.2005, page 2 of 6
HD74LS258
Electrical Characteristics
(Ta = -20 to +75 C)
Item Input voltage Symbol VIH VIL VOH Output voltage VOL Output Current S except S S Input current except S S except S Short-circuit output current All outputs high Supply All outputs low current** All outputs off Input clamp voltage IOZH IOZL IIH IIL II IOS ICC VIK min. 2.0 -- 2.4 -- -- -- -- -- -- -- -- -- -- -30 -- -- -- -- typ.* -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- max. -- 0.8 -- 0.4 0.5 20 -20 40 20 -0.8 -0.4 0.2 0.1 -130 7 11 12 -1.5 Unit V V V V V A A A A mA mA mA mA mA mA mA mA V Condition
VCC = 4.75 V, VIH = 2 V, VIL = 0.8 V, IOH = -2.6 mA IOL = 4 mA VCC = 4.75 V, VIH = 2 V, IOL = 8 mA VIL = 0.8 V VCC = 5.25 V, VIH = 2 V, VO = 2.4 V VCC = 5.25 V, VIH = 2 V, VO = 0.4 V VCC = 5.25 V, VI = 2.7 V VCC = 5.25 V, VI = 0.4 V VCC = 5.25 V, VI = 7 V VCC = 5.25 V VCC = 5.25 V VCC = 4.75 V, IIN = -18 mA
Notes: * VCC = 5 V, Ta = 25C ** ICC is measured with all outputs open and all possible inputs grounded while achieving the stated output conditions.
Switching Characteristics
(VCC = 5 V, Ta = 25C)
Item Symbol tPLH tPHL tPLH tPHL tZH tZL tHZ tLZ Inputs A, B S OC OC Output Y Y Y Y min. -- -- -- -- -- -- -- -- typ. 12 12 14 14 20 20 18 16 max. 18 18 21 21 30 30 30 25 Unit ns ns ns ns CL = 5 pF, RL = 2 k CL = 15 pF, RL = 2 k Condition
Propagation delay time
Output enable time Output disable time
Rev.3.00, Jul.15.2005, page 3 of 6
HD74LS258
Testing Method
Test Circuit
VCC Output
RL 4.5V 1Y 1A 1B 2A 2B 3A 3B 4A 4B G S S1
Load circuit 1
5k CL Output 2Y Output 3Y Output 4Y
S2
Input P.G. Zout = 50
See Function Table
Same as Load Circuit 1.
Same as Load Circuit 1.
Same as Load Circuit 1.
Notes:
1. CL includes probe and jig capacitance. 2. All diodes are 1S2074(H).
Waveforms 1
tTLH 90% 1.3 V 10% tPLH tTHL 90% 1.3 V 10% tPHL VOH Waveform A S1 and S2 closed tPHL 1.3 V tPLH VOH 1.3 V 1.3 V VOL 1.3 V VOL 3V 0V
Input
Waveform B
S1 and S2 closed
Note:
Input pulse; tTLH 15 ns, tTHL 6 ns, PRR = 1 MHz, duty cycle = 50%
Rev.3.00, Jul.15.2005, page 4 of 6
HD74LS258 Waveforms 2
tTHL Output Control Input 90% 1.3V tTLH 90% 1.3V 3V 0V tLZ
S1 and, S2 closed
10% tZL 4.5V
S1 closed, S2 open
10%
Waveform A
1.3V tHZ 0.5V
1.5V VOL
tZH Waveform B
VOH
S1 open, S2 closed
1.3V 0V
1.5V 0.5V
S1 and, S2 closed
Notes:
1. Input pulse; tTLH 15 ns, tTHL 6 ns, PRR = 1 MHz, duty cycle = 50% 2. Waveform A is for an output with internal conditions such that the output is low except when disabled by the output control. 3. Waveform B is for an output with internal conditions such that the output is high except when disabled by the output control.
Rev.3.00, Jul.15.2005, page 5 of 6
HD74LS258
Package Dimensions
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
Reference Symbol
*2
c
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
8 bp x M L1
A1 A bp b1 c
0.00
0.10
0.20 2.20
0.34
0.40
0.46
0.15
1
0.20
0.25
A
c
HE
0 7.50 7.80 1.27
8 8.00
A1
y L
e x y
0.12 0.15 0.80 0.50
1
Detail F
Z L L 0.70 1.15
0.90
Rev.3.00, Jul.15.2005, page 6 of 6
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