Maker : Philips
Part No. : N174F158AN

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INTEGRATED CIRCUITS 74F157*, 74F157A, 74F158*, 74F158A Data selectors/multiplexers * Discontinued part. Please see the Discontinued Product List in Section 1, page 21. Product specification IC15 Data Handbook 1996 Mar 12 Philips Semiconductors Philips Semiconductors Product specification Data selectors/multiplexers 74F157A: 74F158A: DESCRIPTION The 74F157A is a high speed Quad 2-Input Multiplexer which selects 4 bits of data from one of two sources under the control of a common Select input (S). The Enable input (E) is active when Low. When E is High, all of the outputs (Yn) are forced Low regardless of all other input conditions. Moving data from two registers to a common output bus is a common use of the 74F157A. The state of the Select input determines the particular register from which the data comes. The device is the logic implementation of a 4-pole, 2-position switch where the position of the switch is determined by the logic levels supplied to the Select input. The 74F158A is similar, but has inverting outputs (Yn). 74F157A, 74F158A Quad 2-input data selector/multiplexer, non-inverting Quad 2-input data selector/multiplexer, inverting • Industrial temperature range (–10°C to +85°C) available for 74F157A TYPICAL PROPAGATION DELAY 4.6ns 4.6ns 3.7ns 3.7ns TYPICAL SUPPLY CURRENT (TOTAL) 15mA 15mA 10mA 10mA TYPE 74F157 74F157A 74F158 74F158A ORDERING INFORMATION ORDER CODE DESCRIPTION 16-pin plastic DIP 16-pin plastic SO COMMERCIAL RANGE VCC = 5V ±10%, Tamb = 0°C to +70°C N74F157AN, N174F158AN N74F157AD, N74F158AD INDUSTRIAL RANGE VCC = 5V ±10%, Tamb = –40°C to +85°C I74F157AN I74F157AD PKG. DWG. # SOT38-4 SOT109-1 INPUT AND OUTPUT LOADING AND FAN OUT TABLE PINS Ina, Inb, Inc, Ind S E Ya–Yd Ya–Yd Data inputs Select input Enable input Data outputs (74F157/74F157A) Data outputs (74F158/74F158A) DESCRIPTION 74F (U.L.) HIGH/LOW 1.0/1.0 1.0/1.0 1.0/1.0 50/33 50/33 LOAD VALUE HIGH/LOW 20µA/0.6mA 20µA/0.6mA 20µA/0.6mA 1.0mA/20mA 1.0mA/20mA NOTE: One (1.0) FAST unit load is defined as: 20µA in the High state and 0.6mA in the Low state. PIN CONFIGURATIONS, 74F157A S I0a I1a Ya I0b I1b Yb GND 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 VCC E I0d I1d Yd I0c I1c Yc S I0a I1a Ya I0b I1b Yb GND 74F158A 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 VCC E I0d I1d Yd I0c I1c Yc SF00215 SF00216 LOGIC SYMBOLS, 74F157A 2 3 5 6 11 10 14 13 2 74F158A 3 5 6 11 10 14 13 I0a I1a I0b 1 15 S E Ya I1b I0c I1c I0d I1d 1 15 S E I0a I1a I0b I1b I0c I1c I0d I1d Yb Yc Yd Ya Yb Yc Yd VCC = Pin 16 GND = Pin 8 4 7 9 12 SF00217 VCC = Pin 16 GND = Pin 8 4 7 9 12 SF00218 1996 Mar 12 2 853-0346 16555 Philips Semiconductors Product specification Data selectors/multiplexers 74F157A, 74F158A IEEE/IEC SYMBOLS, 74F157A 1 15 G1 EN 1 15 74F158A G1 EN 2 3 5 6 11 10 14 13 1 1 MUX 4 2 3 1 1 MUX 4 7 5 7 6 11 10 9 9 12 14 12 13 SF00219 SF00220 LOGIC DIAGRAM, 74F157A I0a 2 I1a 3 I0b 5 I1b 6 I0c 11 I1c 10 I0d 14 I1d 13 E 15 S 1 I0a 2 I1a 3 I0b 5 I1b 6 74F158A I0c 11 I1c 10 I0d 14 I1d 13 E 15 S 1 4 Ya VCC = Pin 16 GND = Pin 8 Yb 7 Yc 9 12 Yd Ya 4 Yb 7 Yc 9 12 Yd SF00225 VCC = Pin 16 GND = Pin 8 SF00226 FUNCTION TABLE, 74F157A INPUTS E H L L L L S X H H L L I0n X X X L H I1n X L H X X OUTPUT Yn L L H L H E H L L L L S X L L H H 74F158A INPUTS I0n X L H X X I1n X X X L H OUTPUT Yn H H L H L H = High voltage level L = Low voltage level X = Don’t care H = High voltage level L = Low voltage level X = Don’t care 1996 Mar 12 3 Philips Semiconductors Product specification Data selectors/multiplexers 74F157A, 74F158A ABSOLUTE MAXIMUM RATINGS (Operation beyond the limit set forth in this table may impair the useful life of the device. Unless otherwise noted these limits are over the operating free-air temperature range.) SYMBOL VCC VIN IIN VOUT IOUT Tamb b Tstg Supply voltage Input voltage Input current Voltage applied to output in High output state Current applied to output in L...

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