body width 3.9 mm SOT109-1 40 C to +125 C SSOP16 plastic shrink small outline package; 16 leads; body width 5.3 mm SOT338-1 40 C to +125 C TSSOP16 plastic thin shrink small outline package; 16 leads; body width 4.4 mm SOT403-1 74HCT257N 74HC257D 74HCT257D 74HC257DB 74HCT257DB 74HC257PW 74HCT257PW 4. Functional diagram , , , , , , , , 2( 6 < < * (1 Logic symbol 74HC_HCT257 Product data sheet < < PJD Fig 1. 08; DDG Fig 2. IEC logic symbol All information provided in this document is subject to legal disclaimers. Rev. 6 -- 26 January 2015 (c) NXP Semiconductors N.V. 2015. All rights reserved. 2 of 18 74HC257; 74HCT257 NXP Semiconductors Quad 2-input multiplexer; 3-state , , 6 2( Fig 3. , , , , , , 6(/(&725 67$7(08/7,3/(;(52873876 < < < < PJU Functional diagram , < , , < , , < , , < , 2( 6 Fig 4. DDG Logic diagram 74HC_HCT257 Product data sheet All information provided in this document is subject to legal disclaimers. Rev. 6 -- 26 January 2015 (c) NXP Semiconductors N.V. 2015. All rights reserved. 3
dy width 3.9 mm SOT109-1 -40 C to +125 C SSOP16 plastic shrink small outline package; 16 leads; body width 5.3 mm SOT338-1 -40 C to +125 C TSSOP16 plastic thin shrink small outline package; 16 leads; body width 4.4 mm SOT403-1 74HCT257N 74HC257D 74HCT257D 74HC257DB 74HCT257DB 74HC257PW 74HCT257PW 4. Functional diagram 1 15 1 2 1I0 3 1I1 5 2I0 6 2I1 11 3I0 10 3I1 14 4I0 13 4I1 15 OE S 2 1Y 2Y 4 3 G1 EN 1 MUX 4 1 5 7 7 6 3Y 9 11 9 10 4Y 12 14 12 13 001aad467 mga835 Fig 1. Logic symbol Fig 2. IEC logic symbol 74HC_HCT257_4 Product data sheet (c) NXP B.V. 2009. All rights reserved. Rev. 04 -- 8 June 2009 2 of 17 74HC257; 74HCT257 NXP Semiconductors Quad 2-input multiplexer; 3-state 2 3 1I0 1I1 1 S 15 OE Fig 3. 5 6 2I0 2I1 11 10 3I0 3I1 14 13 4I0 4I1 SELECTOR 3-STATE MULTIPLEXER OUTPUTS 1Y 2Y 3Y 4Y 4 7 9 12 mgr280 Functional diagram 1I0 1Y 1I1 2I0 2Y 2I1 3I0 3Y 3I1 4I0 4Y 4I1 OE S Fig 4. 001aad468 Logic diagram 74HC_HCT257_4 Product data sheet (c) NXP B.V. 2009. All rights reserved. Rev. 04 -- 8 June
package; 16 leads; body width 3.9 mm SOT109-1 40 C to +125 C SSOP16 plastic shrink small outline package; 16 leads; body width 5.3 mm SOT338-1 40 C to +125 C TSSOP16 plastic thin shrink small outline package; 16 leads; body width 4.4 mm SOT403-1 74HCT257D 74HC257DB 74HCT257DB 74HC257PW 74HCT257PW 74HC257; 74HCT257 Nexperia Quad 2-input multiplexer; 3-state 4. Functional diagram , , , , , , , , 2( 6 < < * (1 < < DDG Logic symbol Fig 2. , , 6 2( Fig 3. PJD Fig 1. 08; , , IEC logic symbol , , , , 6(/(&725 67$7(08/7,3/(;(52873876 < < < < PJU Functional diagram 74HC_HCT257 Product data sheet All information provided in this document is subject to legal disclaimers. . Rev. 7 -- 2 February 2016 2 of 17 (c) Nexperia B.V. 2017. All rights reserved 74HC257; 74HCT257 Nexperia Quad 2-input multiplexer; 3-state , < , , < , , < , , < , 2( 6 Fig 4. DDG Logic diagram 5. Pinning information 5.1 Pinning +& +&7 6 9&& , 2( , , < , , < , , < , *1' < DDG Fig 5. Pin configuration SO16, SSOP16 and TSSOP16 74HC_HCT257 Pr
T 0.650 AL 0.750 AC 0.650 AL 0.750 AC 0.580 0.598 0.667 0.580 A 0.690 0.460 A 0.390 H 0.480 A 0.490 0.740 H 0.580 0.546 0.609 0.460 AC 0.630 0.380 AC 0.320 AE 0.390 AC 0.490 0.600 AE 0.430 AC 0.442 0.493 0.370 AL 0.510 0.330 E 74HC257D 74HC257D 74HC257D-T 74HC257DB 74HC25706-T 74HC257DR2 74HC257DW 74HC257E 74HC257M 74HC257M PHIL MOT PHIL PHIL PHIL MOT TI HARR HARR NSC 0.460 A 0.460 H 0.330 A 0.500 A 0.360 A 0.740 H 0.580 0.552 0.621 0.580 A 0.380 AC 0.380 AE 0.330 E 0.420 AC 0.360 E 0.600 AE 0.580 0.504 0.567 0.460 AC 0.430 AC 0.408 0.459 0.370 AL 74HC257M96 74HC257N 74HC257N 74HC257N 74HC257N 74HC257ND 74HC257PW 74HC257PW*T 74HC258D 74HC258D-T HARR PHIL MOT NSC TI MOT PHIL PHIL PHIL PHIL 0.644 0.460 A 0.390 H 0.480 A 0.490 0.740 H 0.540 A 0.390 A 0.460 A 0.330 A 0.588 0.380 AC 0.320 AE 0.390 AC 0.490 0.600 AE 0.450 AC 0.476 0.330 E 0.380 AC 0.330 E 74HC258DW 74HC258M 74HC258M 74HC258N 74HC258N 74HC258N 74HC258N/A+ 74HC2590 74HC259D 74HC259D TI HARR NSC PHIL NSC TI NSC PHIL MOT TI 0.580 0.667 0.5
number Package Temperature range Name Description Version 74HC257N -40 C to +125 C DIP16 plastic dual in-line package; 16 leads (300 mil); long body SOT38-1 74HC257D -40 C to +125 C SO16 plastic small outline package; 16 leads; body width 3.9 mm SOT109-1 74HC257DB -40 C to +125 C SSOP16 plastic shrink small outline package; 16 leads; body width 5.3 mm SOT338-1 74HC257PW -40 C to +125 C TSSOP16 plastic thin shrink small outline package; 16 leads; body width 4.4 mm SOT403-1 74HCT257N -40 C to +125 C DIP16 plastic dual in-line package; 16 leads (300 mil); long body SOT38-1 74HC_HCT257_3 Product data sheet (c) Koninklijke Philips Electronics N.V. 2005. All rights reserved. Rev. 03 -- 20 September 2005 2 of 22 74HC257; 74HCT257 Philips Semiconductors Quad 2-input multiplexer; 3-state Table 2: Ordering information ...continued Type number Package Temperature range Name Description Version -40 C to +125 C SO16 plastic small outline package; 16 leads; body width 3.9 mm SOT109-1 74HCT257DB -40 C to +125
dy width 3.9 mm SOT109-1 -40 C to +125 C SSOP16 plastic shrink small outline package; 16 leads; body width 5.3 mm SOT338-1 -40 C to +125 C TSSOP16 plastic thin shrink small outline package; 16 leads; body width 4.4 mm SOT403-1 74HCT257N 74HC257D 74HCT257D 74HC257DB 74HCT257DB 74HC257PW 74HCT257PW 4. Functional diagram 1 15 1 2 1I0 3 1I1 5 2I0 6 2I1 11 3I0 10 3I1 14 4I0 13 4I1 15 OE S 2 1Y 2Y 4 3 G1 EN 1 MUX 4 1 5 7 7 6 3Y 9 11 9 10 4Y 12 14 12 13 001aad467 mga835 Fig 1. Logic symbol Fig 2. IEC logic symbol 74HC_HCT257_5 Product data sheet (c) NXP B.V. 2010. All rights reserved. Rev. 05 -- 13 January 2010 2 of 17 74HC257; 74HCT257 NXP Semiconductors Quad 2-input multiplexer; 3-state 2 3 1I0 1I1 1 S 15 OE Fig 3. 5 6 2I0 2I1 11 10 3I0 3I1 14 13 4I0 4I1 SELECTOR 3-STATE MULTIPLEXER OUTPUTS 1Y 2Y 3Y 4Y 4 7 9 12 mgr280 Functional diagram 1I0 1Y 1I1 2I0 2Y 2I1 3I0 3Y 3I1 4I0 4Y 4I1 OE S Fig 4. 001aad468 Logic diagram 74HC_HCT257_5 Product data sheet (c) NXP B.V. 2010. All rights reserved. Rev. 05 -- 13
body width 3.9 mm SOT109-1 40 C to +125 C SSOP16 plastic shrink small outline package; 16 leads; body width 5.3 mm SOT338-1 40 C to +125 C TSSOP16 plastic thin shrink small outline package; 16 leads; body width 4.4 mm SOT403-1 74HCT257N 74HC257D 74HCT257D 74HC257DB 74HCT257DB 74HC257PW 74HCT257PW 4. Functional diagram , , , , , , , , 2( 6 < < * (1 Logic symbol 74HC_HCT257 Product data sheet < < PJD Fig 1. 08; DDG Fig 2. IEC logic symbol All information provided in this document is subject to legal disclaimers. Rev. 6 -- 26 January 2015 (c) NXP Semiconductors N.V. 2015. All rights reserved. 2 of 18 74HC257; 74HCT257 NXP Semiconductors Quad 2-input multiplexer; 3-state , , 6 2( Fig 3. , , , , , , 6(/(&725 67$7(08/7,3/(;(52873876 < < < < PJU Functional diagram , < , , < , , < , , < , 2( 6 Fig 4. DDG Logic diagram 74HC_HCT257 Product data sheet All information provided in this document is subject to legal disclaimers. Rev. 6 -- 26 January 2015 (c) NXP Semiconductors N.V. 2015. All rights reserved. 3
SOT38-1 74HC257D; 74HCT257D SO16 plastic small outline package; 16 leads; body width 3.9 mm SOT109-1 plastic shrink small outline package; 16 leads; body width 5.3 mm SOT338-1 plastic thin shrink small outline package; 16 leads; body width 4.4 mm SOT403-1 74HC257DB; 74HCT257DB SSOP16 74HC257PW; 74HCT257PW TSSOP16 PIN DESCRIPTION PIN NO. SYMBOL NAME AND FUNCTION 1 S common data select input 2, 5, 11, 14 1I0 to 4I0 data inputs from source 0 3, 6, 10, 13 1I1 to 4I1 data inputs from source 1 4, 7, 9, 12 1Y to 4Y 3-state multiplexer outputs 8 GND ground (0 V) 15 OE 3-state output enable input (active LOW) 16 VCC positive supply voltage 1 fpage fpage S 1 16 VCC 1I0 2 15 OE 1I1 3 1Y 4 2I0 2 1I0 3 1I1 14 4I0 5 2I0 13 4I1 6 2I1 5 12 4Y 11 3I0 2I1 10 6 11 3I0 3I1 14 7 10 3I1 4I0 2Y 13 4I1 GND 8 15 OE 257 9 3Y S MLB311 Fig.1 Pin configuration. 1998 Sep 30 1Y 4 2Y 7 3Y 9 4Y 12 MGA835 Fig.2 Logic symbol. 3 Fig.3 IEC logic symbol. Philips Semiconductors Product specification Quad 2-input multiplexer; 3-state 7
57 ORDERING INFORMATION TYPE PACKAGE NUMBER NAME DESCRIPTION VERSION 74HC257N; DIP16 plastic dual in-line package; 16 leads (300 mil); long body SOT38-1 74HCT257N 74HC257D; $016 plastic small outline package; 16 leads; body width 3.9 mm SOT109-1 74HCT257D 74HC257DB; SSOP16 | plastic shrink small outline package; 16 leads; body width 5.3 mm SOT338-1 74HCT257DB 74HC257PW; TSSOP16_ | plastic thin shrink small outline package; 16 leads; body width 4.4 mm | SOT403-1 74HCT257PW PIN DESCRIPTION PIN NO. SYMBOL NAME AND FUNCTION 1 Ss common data select input 2,5, 11, 14 1lo to Alp data inputs from source 0 3,6, 10,13 11, to 4l, data inputs from source 1 4,7,9,12 1Y to 4Y 3-state multiplexer outputs 8 GND ground (0 V) 15 OE 3-state output enable input (active LOW) 16 Voc positive supply voltage U su 16] Voc S nl en Io [2 | 15] OE 2) "lo 1YR-4 7] 3 1 2 FF wx tly [3] 14] 410 5] 2h vis 1y [4] 13] 414 6 aly vy? t 2lo [5 | er 12] ay 11 ) 3lo 3y 9 a so] fas eo +h 2v 7 10] 314 13 4h, vy aH az GND [8 | 9]3Y 15 O}
package; 16 leads; body width 3.9 mm SOT109-1 40 C to +125 C SSOP16 plastic shrink small outline package; 16 leads; body width 5.3 mm SOT338-1 40 C to +125 C TSSOP16 plastic thin shrink small outline package; 16 leads; body width 4.4 mm SOT403-1 74HCT257D 74HC257DB 74HCT257DB 74HC257PW 74HCT257PW 74HC257; 74HCT257 Nexperia Quad 2-input multiplexer; 3-state 4. Functional diagram , , , , , , , , 2( 6 < < * (1 < < DDG Logic symbol Fig 2. , , 6 2( Fig 3. PJD Fig 1. 08; , , IEC logic symbol , , , , 6(/(&725 67$7(08/7,3/(;(52873876 < < < < PJU Functional diagram 74HC_HCT257 Product data sheet All information provided in this document is subject to legal disclaimers. . Rev. 7 -- 2 February 2016 2 of 17 (c) Nexperia B.V. 2017. All rights reserved 74HC257; 74HCT257 Nexperia Quad 2-input multiplexer; 3-state , < , , < , , < , , < , 2( 6 Fig 4. DDG Logic diagram 5. Pinning information 5.1 Pinning +& +&7 6 9&& , 2( , , < , , < , , < , *1' < DDG Fig 5. Pin configuration SO16, SSOP16 and TSSOP16 74HC_HCT257 Pr
a sheet Package Temperature range Name Description Version 74HC257N -40 C to +125 C DIP16 plastic dual in-line package; 16 leads (300 mil); long body SOT38-1 74HC257D -40 C to +125 C SO16 plastic small outline package; 16 leads; body width 3.9 mm SOT109-1 74HC257DB -40 C to +125 C SSOP16 plastic shrink small outline package; 16 leads; body width 5.3 mm SOT338-1 74HC257PW -40 C to +125 C TSSOP16 plastic thin shrink small outline package; 16 leads; body width 4.4 mm SOT403-1 74HCT257N -40 C to +125 C DIP16 plastic dual in-line package; 16 leads (300 mil); long body SOT38-1 (c) Koninklijke Philips Electronics N.V. 2005. All rights reserved. 2 of 22 74HC257; 74HCT257 Philips Semiconductors Quad 2-input multiplexer; 3-state Table 2: Ordering information ...continued Type number Package Temperature range Name Description Version -40 C to +125 C SO16 plastic small outline package; 16 leads; body width 3.9 mm SOT109-1 74HCT257DB -40 C to +125 C SSOP16 plastic shrink small outline package; 16 leads; body