54ABT16245 NSC | Alldatasheet

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n Bidirectional non-inverting buffers n Separate control logic for each byte n 16-bit version of the ’ABT245 n A and B output sink capability of 48 mA, source capability of 24 mA n Guaranteed latchup protection n High impedance glitch free bus loading during entire power up and power down cycle n Non-destructive hot insertion capability n Standard Microcircuit Drawing (SMD) 5962-9317501 Military Package Number Package Description 54ABT16245W-QML WA48A 48-Lead Cerpack Logic Symbol Pin Description Pin Names Description OEn Output Enable Input (Active Low) T/Rn Transmit/Receive Input A0–A15 Side A Inputs/Outputs B0–B15 Side B Inputs/Outputs TRI-STATE® is a registered trademark of National Semiconductor Corporation. DS100200-1 August 1998 54ABT16245 16-Bit Transceiver with TRI-STATE Outputs © 2004 National Semiconductor Corporation DS100200 www.national.com

The ’ABT16245 contains sixteen non-inverting bidirectional buffers with TRI-STATE outputs. The device is byte con- trolled with each byte functioning identically, but independent of the other. The control pins can be shorted together to obtain full 16-bit operation. Inputs Outputs OE1 T/R1 L L Bus B 0–B7 Data to Bus A0–A 7 L H Bus A 0–A7 Data to Bus B0–B 7 H X HIGH-Z State on A 0–A7,B 0–B 7 Inputs Outputs OE2 T/R2 L L Bus B 8–B15 Data to Bus A8–A 15 L H Bus A 8–A15 Data to Bus B8–B 15 H X HIGH-Z State on A 8–A15,B 8–B 15 H = High Voltage Level L = Low Voltage Level X = Immaterial Z = High Impedance Logic Diagrams Pin Assignment for Cerpack DS100200-2 DS100200-3 DS100200-4 54ABT16245 www.national.com 2

Absolute Maximum Ratings (Note 1) If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. Storage Temperature −65˚C to +150˚C Ambient Temperature under Bias −55˚C to +125˚C Junction Temperature under Bias Ceramic −55˚C to +175˚C V CC Pin Potential to Ground Pin −0.5V to +7.0V Input Voltage (Note 2) −0.5V to +7.0V Input Current (Note 2) −30 mA to +5.0 mA Voltage Applied to Any Output in the Disabled or Power-off State −0.5V to 5.5V in the HIGH State −0.5V to V CC Current Applied to Output in LOW State (Max) twice the rated I OL (mA) DC Latchup Source Current −500 mA Over Voltage Latchup (I/O) 10V Recommended Operating Conditions Free Air Ambient Temperature Military −55˚C to +125˚C Supply Voltage Military +4.5V to +5.5V Minimum Input Edge Rate ( ∆V/∆t) Data Input 50 mV/ns Enable Input 20 mV/ns Note 1: Absolute maximum ratings are values beyond which the device may be damaged or have its useful life impaired. Functional operation under these conditions is not implied. Note 2: Either voltage limit or current limit is sufficient to protect inputs. Symbol Parameter ABT16245 Units V CC Conditions Min Typ Max VIH Input HIGH Voltage 2.0 V Recognized HIGH Signal VIL Input LOW Voltage 0.8 V Recognized LOW Signal VCD Input Clamp Diode Voltage −1.2 V Min I IN = −18 mA (OE n, T/Rn) VOH Output HIGH Voltage 54ABT 2.5 V Min I OH =− 3m A( A n,B n) 54ABT 2.0 V Min I OH = −24 mA (A n,B n) VOL Output LOW Voltage 54ABT 0.55 V Min I OL =4 8m A( A n,B n) IIH Input HIGH Current 5 µA Max V IN = 2.7V (OEn, T/Rn) (Note 3) 5V IN =V CC (OEn, T/Rn) IBVI Input HIGH Current 7 µA Max V IN = 7.0V (OEn, T/Rn) Breakdown Test IBVIT Input HIGH Current 100 µA Max V IN = 5.5V (An,B n) Breakdown Test (I/O) IIL Input LOW Current −5 µA Max V IN = 0.5V (OEn, T/Rn) (Note 3) −5 V IN = 0.0V (OEn, T/Rn) VID Input Leakage Test 4.75 V 0.0 I ID = 1.9 µA (OE n, T/Rn) All Other Pins Grounded IIH +I OZH Output Leakage Current 50 µA 0 − 5.5V VOUT = 2.7V (An,B n); OE = 2.0V IIL +I OZL Output Leakage Current −50 µA 0 − 5.5V VOUT = 0.5V (An,B n); OE = 2.0V IOS Output Short-Circuit Current −100 −275 mA Max V OUT = 0.0V (An,B n) ICEX Output High Leakage Current 50 µA Max V OUT =V CC (An,B n) IZZ Bus Drainage Test 100 µA 0.0 V OUT = 5.50V (An,B n); All Others GND ICCH Power Supply Current 100 µA Max All Outputs HIGH ICCL Power Supply Current 60 mA Max All Outputs LOW ICCZ Power Supply Current 100 µA Max OE n =V CC, T/Rn = GND or V CC All others at V CC or GND ICCT Additional ICC/Input Outputs Enabled 2.5 mA V I =V CC − 2.1V Outputs TRI-STATE 2.5 mA Max OE n,T /R n VI =V CC − 2.1V Outputs TRI-STATE 50 µA Data Input V I =V CC − 2.1V All others at V CC or GND 54ABT16245 www.national.com3

Symbol Parameter ABT16245 Units V CC Conditions Min Typ Max ICCD Dynamic ICC No Load mA/ Max Outputs Open

0.1 MHz OE n = GND, T/Rn = GND or V CC

One Bit Toggling, 50% Duty Cycle Note 3: Guaranteed, but not tested. Symbol Parameter 54ABT Units Fig. No.TA = −55˚C to +125˚C VCC = 4.5V–5.5V CL =5 0p F Min Max tPLH Propagation 0.5 4.5 tPHL Delay Data 0.5 5.2 ns Figure 5 to Outputs tPZH Output Enable 0.8 6.4 ns Figure 4 tPZL Time 0.9 6.9 tPHZ Output Disable 1.3 6.9 ns Figure 4 tPLZ Time 1.0 6.9 Capacitance Symbol Parameter Typ Units Conditions, T A = 25˚C CIN Input Capacitance 5 pF V CC = 0.0V (OEn, T/Rn) CI/O (Note 4) Output Capacitance 11 pF V CC = 5.0V (An,B n) Note 4: CI/O is measured at frequenc yf=1 MHz, per MIL-STD-883B, Method 3012. tPLH vs Temperature (TA) CL = 50 pF, 1 Output Switching DS100200-13 tPHL vs Temperature (TA) CL = 50 pF, 1 Output Switching DS100200-14 54ABT16245 www.national.com 4

Capacitance (Continued) tPLH vs Load Capacitance

1 Output Switching, T A = 25˚C

16 Outputs Switching, T A = 25˚C

tPZL vs Temperature (TA) CL = 50 pF, 1 Output Switching DS100200-19 tPLZ vs Temperature (TA) CL = 50 pF, 1 Output Switching DS100200-20 tPZH vs Temperature (TA) CL = 50 pF, 1 Output Switching DS100200-21 tPHZ vs Temperature (TA) CL = 50 pF, 1 Output Switching DS100200-22 Dashed lines represent design characteristics; for specified guarantees, refer to AC Characteristics Table. 54ABT16245 www.national.com5

Capacitance (Continued) tPZH vs Temperature (TA) CL = 50 pF, 16 Outputs Switching DS100200-23 tPHZ vs Temperature (TA) CL = 50 pF, 16 Outputs Switching DS100200-24 tPZL vs Temperature (TA) CL = 50 pF, 16 Outputs Switching DS100200-25 tPLZ vs Temperature (TA) CL = 50 pF, 16 Outputs Switching DS100200-26 tPZL vs Load Capacitance

16 Outputs Switching T A = 25˚C

tPLH vs Number Output Switching VCC = 5.0V, TA = 25˚C, CL =5 0p F DS100200-29 tPHL vs Number Output Switching VCC = 5.0V, TA = 25˚C, CL =5 0p F DS100200-30 Dashed lines represent design characteristics; for specified guarantees, refer to AC Characteristics Table. 54ABT16245 www.national.com 6

Capacitance (Continued) ICC vs Frequency Average, TA = 25˚C, VCC = 5.5V All Outputs Unloaded/Unterminated;

16 Outputs Switching In-Phase at 50% Duty Cycle

Dashed lines represent design characteristics; for specified guarantees, refer to AC Characteristics Table. 54ABT16245 www.national.com7

Physical Dimensions inches (millimeters) unless otherwise noted LIFE SUPPORT POLICY NATIONAL’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT AND GENERAL COUNSEL OF NATIONAL SEMICONDUCTOR CORPORATION. As used herein: 1. Life support devices or systems are devices or systems which, (a) are intended for surgical implant into the body, or (b) support or sustain life, and whose failure to perform when properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in a significant injury to the user. 2. A critical component is any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system, or to affect its safety or effectiveness. BANNED SUBSTANCE COMPLIANCE National Semiconductor certifies that the products and packing materials meet the provisions of the Customer Products Stewardship Specification (CSP-9-111C2) and the Banned Substances and Materials of Interest Specification (CSP-9-111S2) and contain no ‘‘Banned Substances’’ as defined in CSP-9-111S2. National Semiconductor Americas Customer Support Center Email: new.feedback@nsc.com Tel: 1-800-272-9959 National Semiconductor Europe Customer Support Center Fax: +49 (0) 180-530 85 86 Email: europe.support@nsc.com Deutsch Tel: +49 (0) 69 9508 6208 English Tel: +44 (0) 870 24 0 2171 Français Tel: +33 (0) 1 41 91 8790 National Semiconductor Asia Pacific Customer Support Center Email: ap.support@nsc.com National Semiconductor Japan Customer Support Center Fax: 81-3-5639-7507 Email: jpn.feedback@nsc.com Tel: 81-3-5639-7560 www.national.com 48-Lead Cerpack 54ABT16245 16-Bit Transceiver with TRI-STATE Outputs National does not assume any responsibility for use of any circuitry described, no circuit patent licenses are implied and National reserves the righ t at any time without notice to change said circuitry and specifications.