M74HC4851B1R

M74HC4851 Single 8-channel analog MUX/DEMUX with injection current protection Datasheet − production data Features ■ Low power dissipation – ICC = 2 μA (max.) at TA = 25 °C ■ Injection current protection – VΔOUT < 1 mV at VCC = 5 V, IIN ≤ 1 mA – RS ≤ 3.9 kΩ ■ “ON” resistance at TA = 25 °C – 215 Ω typ. (VCC = 3.0 V) – 160 Ω typ. (VCC = 4.5 V) – 150 Ω typ. (VCC = 6 V) SO-16 Applications ■ Fast switching – tpd = 8.6 ns (typ.) at TA = 25 °C, VCC = 4.5 V ■ Wide operating supply voltage range – VCC = 2 V to 6 V ■ High noise immunity – VNIH = VNIL = 28% VCC (min.) ■ Pin and function compatible with series 4051, 4851 ■ Latch-up performance exceeds 500 mA – (JESD 17) ■ ESD performance – HBM: 2000 V – MM: 200 V – CDM: 1000 V TSSOP16 ■ Automotive ■ Computer ■ Consumer ■ Industrial Description The M74HC4851 device is a single 8-channel analog multiplexer/demultiplexer manufactured with silicon gate C2MOS technology. It features injection current effect control which makes the device particularly suited for use in automotive applications where voltages in excess of normal logic voltages are common. The injection current effect control allows signals at disabled input channels to exceed the supply voltage range or go down to ground without affecting the signal of the enabled analog channel. This eliminates the need for external dioderesistor networks typically used to keep the analog channel signals within the supply voltage range. Table 1. Device summary Order code Temperature range Package Packaging Marking M74HC4851YRM13TR(1) -40/+125 °C SO-16 (automotive grade) Tape and reel 74HC4851Y M74HC4851RM13TR -55/+125 °C SO-16 Tape and reel 74HC4851 M74HC4851YTTR(1) -40/+125 °C TSSOP16 (automotive grade) Tape and reel HC4851Y M74HC4851TTR -55/+125 °C TSSOP16 Tape and reel HC4851 1. Qualification and characterization according to AEC Q100 and Q003 or equivalent, advanced screening according to AEC Q001 and Q002 or equivalent. October 2012 This is information on a product in full production. Doc ID 8640 Rev 7 1/16 www.st.com 16 Pin connections 1 2/16 M74HC4851 Pin connections Figure 1. Pin connections and IEC logic symbols Table 2. Pin descriptions Pin number Symbol Name and function 3 COM OUT/IN Common output/input 6 INH INHIBIT input 7 NC Not connected 11, 10, 9 A, B, C Select inputs 13, 14, 15, 12, 1, 5, 2, 4 0 to 7 Independent input/outputs 8 GND Ground (0 V) 16 VCC Positive supply voltage Doc ID 8640 Rev 7 M74HC4851 Pin connections Table 3. Truth table Input state On channel Note: INH C B A L L L L 0 L L L H 1 L L H L 2 L L H H 3 L H L L 4 L H L H 5 L H H L 6 L H H H 7 H X X X NONE X: don’t care. Figure 2. Control input equivalent circuit Figure 3. I/O equivalent circuit Doc ID 8640 Rev 7 3/16 Pin connections Figure 4. 4/16 M74HC4851 Functional diagram Doc ID 8640 Rev 7 M74HC4851 Absolute maximum ratings and operating conditions 2 Absolute maximum ratings and operating conditions Note: Absolute maximum ratings are those values beyond which damage to the device may occur. Functional operation under these conditions is not implied. Table 4. Absolute maximum ratings Symbol Parameter Value Unit -0.5 to +7 V VCC Supply voltage VIN Control input voltage -0.5 to VCC + 0.5 V VI/O Switch I/O voltage -0.5 to VCC + 0.5 V ICK Control input diode current ± 25 mA IIOK I/O diode current ± 25 mA ICC DC VCC or ground current ± 50 mA PD Power dissipation Tstg Storage temperature TL SO-16 500 (1) mW TSSOP16 450(1) mW -65 to +150 °C 300 °C 2000 V 200 V 1000 V Lead temperature (10 sec.) Human body model (HBM) ESD Machine model (MM) (JESD22) Charged device model (CDM) 1. Power dissipation at 65 °C. Derating from 65 °C to 125 °C: SO package -7 mW/°C; TSSOP package -6.1 mW/°C. Table 5. Recommended operating conditions Symbol Parameter Value Unit 2 to 6 V VCC Supply voltage VI/O Input output voltage 0 to VCC V VI/O Static or dynamic voltage across switch(1) 0 to 1.2 V VIN Control input voltage 0 to VCC V SO-16, TSSOP16 -55 to +125 °C Top Operating temperature SO-16, TSSOP16 (automotive grade) -40 to +125 °C tr, tf VCC = 2.0 V 0 to 1000 VCC = 3.0.V Input rise and fall time(2) (channel select or enable inputs VCC = 3.3 V only) VCC = 4.5 V 0 to 800 0 to 700 VCC = 6.0 V 0 to 400 ns 0 to 500 1. For voltage drops across the switch greater than 1.2 V (switch on), excessive VCC current may be drawn; i.e., the current out of the switch may contain both V CC and switch input components. The reliability of the device is unaffected unless the maximum ratings are exceeded. 2. VIN from 30% to 70% VCC of channel selected or enable inputs. Doc ID 8640 Rev 7 5/16 Absolute maximum ratings and operating conditions Table 6. M74HC4851 DC specifications Test condition Symbol VIHC VILC RON Parameter High level input voltage Low level input voltage ON resistance Value TA = 25 °C VCC (V) Min. Typ. Max. Min. Max. 1.5 1.5 1.5 3.0 2.1 2.1 2.1 3.0 2.3 2.3 2.3 4.5 3.15 3.15 3.15 6.0 4.2 4.2 4.2 V 0.5 0.5 0.5 3.0 0.9 0.9 0.9 3.3 1.0 1.0 1.0 4.5 1.35 1.35 1.35 6.0 1.8 1.8 1.8 V 2.0 IS = 2 mA 500 650 670 700 3.0 VIN = VIHC or VILC IS ≤ 2 mA VIS = VCC to GND 215 280 320 360 210 270 305 345 160 210 240 270 150 195 220 250 4 10 15 20 2 8 12 16 2 8 12 16 2 8 12 16 3 9 13 18 ±0.1 ± 0.5 ± 1.0 μA ± 0.2 ±2 ±4 μA ±0.1 ± 0.5 ±1 μA 3.3 2.0 3.0 3.3 4.5 IS = 2 mA VIN = VIHC or VILC IS ≤ 2 mA V = V /2 IS CC 6.0 IOFF Input/output leakage current (switch off) (any channel) IOFF Input/output leakage current (switch off) (common channel) 6.0 ION Switch input leakage current (switch on, output open) 6.0 6/16 Max. 2.0 6.0 ΔRON Min. 2.0 4.5 Difference of ON resistance between switches Up to 85 °C Up to 125 °C Unit 6.0 Ω Ω VIN = VCC or GND VIN = VCC or GND Doc ID 8640 Rev 7 M74HC4851 Table 6. Absolute maximum ratings and operating conditions DC specifications (continued) Test condition Symbol Parameter Value TA = 25 °C VCC (V) Up to 85 °C Up to 125 °C Unit Min. Typ. Max. Min. Max. Min. Max. IIN Control input current 6.0 VIN = VCC or GND ± 0.1 ± 0.1 ±1 μA ICC Quiescent supply current 6.0 VIN = VCC or GND VIN(analog) = GND 2 20 40 μA Table 7. AC electrical characteristics (CL = 50 pF, input tr = tf = 6 ns) Test condition Symbol Parameter Propagation tPHL,tPL delay time, analog input to H analog output tPHL, tPLH tPHZ, tPZH tPLZ, tPZL Propagation delay time channel-select to analog output Enable disable time, enable or channel-select to analog output VCC (V) Value TA = 25 °C Up to 85 °C Up to 125 °C Unit Test circuit 1 Min. Typ. Max. Min. Max. Min. Max. 2.0 19.5 25 29 32 3.0 12 15.5 17.5 19.5 3.3 11 14.5 16.5 18.5 4.5 8.6 11.5 12.5 13.5 6.0 8 10 11 12 2.0 23 30 35 40 3.0 13.5 17.5 20 23 3.3 12.5 16.5 19 22 4.5 10 13 15 17 6.0 9.5 12.5 14.5 16.5 2.0 95 105 115 3.0 90 100 110 3.3 85 95 105 4.5 80 90 100 6.0 78 80 80 ns ns ns CIN Input capacitance (digital pins) 3.5 10 10 10 pF CIN Input capacitance (switches off, any single analog pins) 6.7 15 15 15 pF Doc ID 8640 Rev 7 7/16 Absolute maximum ratings and operating conditions Table 7. M74HC4851 AC electrical characteristics (CL = 50 pF, input tr = tf = 6 ns) (continued) Test condition Symbol Parameter CIN Input capacitance (switches off, any common analog pins) CPD Power dissipation capacitance(1) VCC (V) Value TA = 25 °C Up to 85 °C Up to 125 °C Unit Test circuit 1 Min. Typ. Max. Min. Max. 22 3.3 24 5.0 28 40 Min. 40 Max. 40 pF pF 1. CPD is defined as the value of the IC’s internal equivalent capacitance which is calculated from the operating current consumption without load (refer to Figure 5). The average operating current can be obtained by the following equation: ICC(opr) = CPD x VCC x fIN + ICC/8. Table 8. Injection current coupling specification (TA= -55°C to +125°C) Test condition Symbol Parameter VCC (V) 3.3 5.0 VΔOUT Shift of output voltage of enabled analog channel 3.3 5.0 IIN ≤ 1 mA, R S ≤ 3.9 kΩ IIN ≤10 mA, RS ≤ 3.9 kΩ Unit Typ. (1) Max. 0.050 1.0 0.100 1.0 0.345 5.0 0.067 5.0 0.050 2.0 0.110 2.0 0.050 20 0.024 20 mV 3.3 5.0 3.3 5.0 1. Test circuit 2 Value IIN ≤ 1 mA, RS ≤ 20 kΩ IIN ≤ 10 mA, RS ≤ 20 kΩ Typical values are measured at TA = 25 °C. They are calculated as the difference from VOUT without injection current and VOUT with injection current. IIN = total current injected into any other disabled channels, one at time. 8/16 Doc ID 8640 Rev 7 M74HC4851 Note: Absolute maximum ratings and operating conditions Figure 5. Test circuit 1 Table 9. Test circuit 1 - switch configuration table Test Switch tPLH, tPHL Open tPZL, tPLZ VCC tPZH, tPHZ GND CL = 50 pF or equivalent (includes jig and probe capacitance). RL = R1 = 10 kΩ or equivalent. RT = ZOUT of pulse generator (typically 50 Ω ). Figure 6. Test circuit 2 Doc ID 8640 Rev 7 9/16 Absolute maximum ratings and operating conditions 10/16 Figure 7. Enable and disable time Figure 8. Selection path to output propagation delays Doc ID 8640 Rev 7 M74HC4851 M74HC4851 Absolute maximum ratings and operating conditions Figure 9. Input (COM, 0 to 7 in) to output (0 to 7 out, COM) propagation delays Figure 10. Channel resistance RON Figure 11. ICC (opr) Doc ID 8640 Rev 7 11/16 Package information 3 M74HC4851 Package information In order to meet environmental requirements, ST offers these devices in different grades of ECOPACK® packages, depending on their level of environmental compliance. ECOPACK specifications, grade definitions and product status are available at: www.st.com. ECOPACK is an ST trademark. 12/16 Doc ID 8640 Rev 7 M74HC4851 3.1 Package information SO-16 package information Figure 12. SO-16 package outline Table 10. SO-16 mechanical data Dimensions Symbol Millimeters Min. Typ. A Inches Max. Min. Typ. 1.75 0.069 A1 0.10 A2 1.25 b 0.31 0.51 0.012 0.020 c 0.17 0.25 0.007 0.010 D 9.80 9.90 10.00 0.386 0.390 0.394 E 5.80 6.00 6.20 0.228 0.236 0.244 E1 3.80 3.90 4.00 0.150 0.154 0.157 e 0.25 Max. 0.004 0.010 0.049 1.27 0.050 h 0.25 0.50 0.010 0.020 L 0.40 1.27 0.016 0.050 k 0 8 ccc 0.10 Doc ID 8640 Rev 7 0.004 13/16 Package information 3.2 M74HC4851 TSSOP16 package information Figure 13. TSSOP16 package outline Table 11. TSSOP16 mechanical data Dimensions Symbol Millimeters Min. Typ. A Max. Min. Typ. 1.20 A1 0.05 A2 0.80 b Max. 0.047 0.15 0.002 1.05 0.031 0.19 0.30 0.007 0.012 c 0.09 0.20 0.004 0.008 D 4.90 5.00 5.10 0.193 0.197 0.201 E 6.20 6.40 6.60 0.244 0.252 0.260 E1 4.30 4.40 4.50 0.169 0.173 0.177 e 0° L 0.45 aaa 1.00 0.65 k L1 14/16 Inches 0.60 0.006 0.039 0.041 0.0256 8° 0° 0.75 0.018 1.00 8° 0.024 0.030 0.039 0.10 Doc ID 8640 Rev 7 0.004 M74HC4851 4 Revision history Revision history Table 12. Document revision history Date 05-Apr-2012 11-May-2012 15-Jun-2012 26-Oct-2012 Revision Changes 4 – – – – – Document reformatted. Added ESD charged device model feature on cover page. Added ESD values to Table 4: Absolute maximum ratings. Modified Chapter 3: Package information. Modified Chapter 4: Ordering information. 5 – Added automotive-grade part number M74HC4851YRM13TR to Table 12.: Order codes. – Added Table 1.: Device summary and Modified Description text on coverpage. 6 – – – – 7 Updated ESD values in Features. Updated Table 1 (added packaging and marking, updated note 1.) Removed Table 12: Order codes (Section 4: Ordering information). Minor corrections throughout document. Updated Table 1: Device summary and Table 12: Order codes. Corrected ON resistance values in Features on page 1 Updated Top in Table 5: Recommended operating conditions Added footnote 1 to Table 1: Device summary Doc ID 8640 Rev 7 15/16 M74HC4851 Please Read Carefully: Information in this document is provided solely in connection with ST products. STMicroelectronics NV and its subsidiaries (“ST”) reserve the right to make changes, corrections, modifications or improvements, to this document, and the products and services described herein at any time, without notice. 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