SN54ALS352, SN74ALS352 DUAL 4-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS SDAS221A – APRIL 1982 – REVISED DECEMBER 1994 • • • • • • Inverting Versions of the ′ALS153 Permit Multiplexing From n Lines to One Line Perform Parallel-to-Serial Conversion Strobe (Enable) Line Provided for Cascading (n Lines to n Lines) Typical Power Per Multiplexer Is 16 mW Package Options Include Plastic Small-Outline (D) Packages, Ceramic Chip Carriers (FK), and Standard Plastic (N) and Ceramic (J) 300-mil DIPs SN54ALS352 . . . J PACKAGE SN74ALS352 . . . D OR N PACKAGE (TOP VIEW) 1G B 1C3 1C2 1C1 1C0 1Y GND description 1 16 2 15 3 14 4 13 5 12 6 11 7 10 8 9 VCC 2G A 2C3 2C2 2C1 2C0 2Y SN54ALS352 . . . FK PACKAGE (TOP VIEW) B 1G NC VCC 2G These data selectors/multiplexers contain inverters and drivers to supply fully complementary binary decoding data selection to the AND-OR-invert gates. Separate strobe (G) inputs are provided for each of the two 4-line sections. 1C3 1C2 NC 1C1 1C0 3 2 1 20 19 18 5 17 6 16 7 15 8 14 9 10 11 12 13 A 2C3 NC 2C2 2C1 1Y GND NC 2Y 2C0 The SN54ALS352 is characterized for operation over the full military temperature range of – 55°C to 125°C. The SN74ALS352 is characterized for operation from 0°C to 70°C. 4 NC – No internal connection FUNCTION TABLE INPUTS SELECT DATA STROBE G OUTPUT Y B A C0 C1 C2 C3 X X X X X X H H L L L X X X L H L L H X X X L L L H X L X X L H L H X H X X L L H L X X L X L H H L X X H X L L H H X X X L L H H H X X X H L L Select inputs A and B are common to both sections. Copyright 1994, Texas Instruments Incorporated PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 1 SN54ALS352, SN74ALS352 DUAL 4-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS SDAS221A – APRIL 1982 – REVISED DECEMBER 1994 logic symbol† A B 1G 1C0 1C1 1C2 1C3 2G 2C0 2C1 2C2 2C3 14 2 0 1 1 6 5 4 3 EN G 0 3 MUX 0 7 1 1Y 2 3 15 10 9 11 2Y 12 13 † This symbol is in accordance with ANSI/IEEE Std 91-1984 and IEC Publication 617-12. Pin numbers shown are for the D, J, and N packages. logic diagram (positive logic) 1G 1C0 1C1 1 6 5 7 Data 1 1C2 1C3 B 1Y 4 3 2 Select A 2C0 2C1 Data 2 2C2 2C3 2G 14 10 11 9 12 13 15 Pin numbers shown are for the D, J, and N packages. 2 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 2Y SN54ALS352, SN74ALS352 DUAL 4-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS SDAS221A – APRIL 1982 – REVISED DECEMBER 1994 absolute maximum ratings over operating free-air temperature range (unless otherwise noted)† Supply voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 V Input voltage, VI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 V Operating free-air temperature range, TA: SN54ALS352 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . – 55°C to 125°C SN74ALS352 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0°C to 70°C Storage temperature range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . – 65°C to 150°C † Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability. recommended operating conditions SN54ALS352 SN74ALS352 MIN NOM MAX MIN NOM MAX 4.5 5 5.5 4.5 5 5.5 UNIT VCC VIH Supply voltage VIL IOH Low-level input voltage 0.7 0.8 High-level output current –1 – 2.6 mA IOL TA Low-level output current 12 24 mA 70 °C High-level input voltage 2 Operating free-air temperature 2 – 55 125 V V 0 V electrical characteristics over recommended operating free-air temperature range (unless otherwise noted) PARAMETER VIK TEST CONDITIONS VCC = 4.5 V, VCC = 4.5 V to 5.5 V, II = – 18 mA IOH = – 0.4 mA VCC = 4 4.5 5V IOH = – 1 mA IOH = – 2.6 mA VOL 5V VCC = 4 4.5 IOL = 12 mA IOL = 24 mA II IIH VCC = 5.5 V, VCC = 5.5 V, VI = 7 V VI = 2.7 V IIL IO§ VCC = 5.5 V, VCC = 5.5 V, VI = 0.4 V VO = 2.25 V VOH SN54ALS352 TYP‡ MAX MIN SN74ALS352 TYP‡ MAX MIN – 1.5 VCC – 2 2.4 – 1.5 V VCC – 2 V 3.3 2.4 0.25 – 20 UNIT 0.4 3.2 0.25 0.4 0.35 0.5 V 0.1 0.1 20 20 µA – 0.1 – 0.1 mA – 112 mA – 112 – 30 mA ICC VCC = 5.5 V, See Note 1 6.5 10 6.5 10 mA ‡ All typical values are at VCC = 5 V, TA = 25°C. § The output conditions have been chosen to produce a current that closely approximates one half of the true short-circuit output current, IOS. NOTE 1: ICC is measured with data and select inputs at 4.5 V and G inputs grounded. POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 3 SN54ALS352, SN74ALS352 DUAL 4-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS SDAS221A – APRIL 1982 – REVISED DECEMBER 1994 switching characteristics (see Figure 1) PARAMETER FROM (INPUT) TO (OUTPUT) tPLH tPHL A or B Y tPLH tPHL Data (any C) Y tPLH tPHL G Y VCC = 4.5 V to 5.5 V, CL = 50 pF, RL = 500 Ω, TA = MIN to MAX† SN54ALS352 SN74ALS352 MIN MAX MIN MAX 5 32 5 24 5 24 5 21 3 24 3 18 2 15 2 13 4 26 4 18 4 24 4 20 † For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions. 4 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 UNIT ns ns ns SN54ALS352, SN74ALS352 DUAL 4-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS SDAS221A – APRIL 1982 – REVISED DECEMBER 1994 PARAMETER MEASUREMENT INFORMATION SERIES 54ALS/74ALS AND 54AS/74AS DEVICES 7V RL = R1 = R2 VCC S1 RL R1 Test Point From Output Under Test CL (see Note A) From Output Under Test RL Test Point From Output Under Test CL (see Note A) CL (see Note A) LOAD CIRCUIT FOR BI-STATE TOTEM-POLE OUTPUTS LOAD CIRCUIT FOR OPEN-COLLECTOR OUTPUTS 3.5 V Timing Input Test Point LOAD CIRCUIT FOR 3-STATE OUTPUTS 3.5 V High-Level Pulse 1.3 V R2 1.3 V 1.3 V 0.3 V 0.3 V tsu Data Input tw th 3.5 V 1.3 V 3.5 V Low-Level Pulse 1.3 V 0.3 V 1.3 V 0.3 V VOLTAGE WAVEFORMS SETUP AND HOLD TIMES VOLTAGE WAVEFORMS PULSE DURATIONS 3.5 V Output Control (low-level enabling) 1.3 V 1.3 V 0.3 V tPZL Waveform 1 S1 Closed (see Note B) tPLZ [3.5 V 1.3 V tPHZ tPZH Waveform 2 S1 Open (see Note B) 1.3 V VOL 0.3 V VOH 1.3 V 0.3 V [0 V 3.5 V 1.3 V Input 1.3 V 0.3 V tPHL tPLH VOH In-Phase Output 1.3 V 1.3 V VOL tPLH tPHL VOH Out-of-Phase Output (see Note C) 1.3 V 1.3 V VOL VOLTAGE WAVEFORMS PROPAGATION DELAY TIMES VOLTAGE WAVEFORMS ENABLE AND DISABLE TIMES, 3-STATE OUTPUTS NOTES: A. CL includes probe and jig capacitance. B. Waveform 1 is for an output with internal conditions such that the output is low except when disabled by the output control. Waveform 2 is for an output with internal conditions such that the output is high except when disabled by the output control. C. When measuring propagation delay items of 3-state outputs, switch S1 is open. D. All input pulses have the following characteristics: PRR ≤ 1 MHz, tr = tf = 2 ns, duty cycle = 50%. E. The outputs are measured one at a time with one transition per measurement. Figure 1. Load Circuits and Voltage Waveforms POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 5 IMPORTANT NOTICE Texas Instruments and its subsidiaries (TI) reserve the right to make changes to their products or to discontinue any product or service without notice, and advise customers to obtain the latest version of relevant information to verify, before placing orders, that information being relied on is current and complete. All products are sold subject to the terms and conditions of sale supplied at the time of order acknowledgement, including those pertaining to warranty, patent infringement, and limitation of liability. TI warrants performance of its semiconductor products to the specifications applicable at the time of sale in accordance with TI’s standard warranty. Testing and other quality control techniques are utilized to the extent TI deems necessary to support this warranty. Specific testing of all parameters of each device is not necessarily performed, except those mandated by government requirements. CERTAIN APPLICATIONS USING SEMICONDUCTOR PRODUCTS MAY INVOLVE POTENTIAL RISKS OF DEATH, PERSONAL INJURY, OR SEVERE PROPERTY OR ENVIRONMENTAL DAMAGE (“CRITICAL APPLICATIONS”). TI SEMICONDUCTOR PRODUCTS ARE NOT DESIGNED, AUTHORIZED, OR WARRANTED TO BE SUITABLE FOR USE IN LIFE-SUPPORT DEVICES OR SYSTEMS OR OTHER CRITICAL APPLICATIONS. INCLUSION OF TI PRODUCTS IN SUCH APPLICATIONS IS UNDERSTOOD TO BE FULLY AT THE CUSTOMER’S RISK. In order to minimize risks associated with the customer’s applications, adequate design and operating safeguards must be provided by the customer to minimize inherent or procedural hazards. TI assumes no liability for applications assistance or customer product design. TI does not warrant or represent that any license, either express or implied, is granted under any patent right, copyright, mask work right, or other intellectual property right of TI covering or relating to any combination, machine, or process in which such semiconductor products or services might be or are used. TI’s publication of information regarding any third party’s products or services does not constitute TI’s approval, warranty or endorsement thereof. Copyright 1998, Texas Instruments Incorporated