 |
|
| If you can't view the Datasheet, Please click here to try to view without PDF Reader . |
|
|
|
| If you can't view the Datasheet, Please click here to try to view without PDF Reader . |
|
|
| Datasheet File OCR Text: |
| QUAD 3-STATE BUFFERS VCC 14 E 13 D 12 O 11 E 10 D 9 O 8 SN54/74LS125A SN54/74LS126A QUAD 3-STATE BUFFERS LOW POWER SCHOTTKY 1 E 2 D 3 O 4 E 5 D 6 O 7 GND J SUFFIX CERAMIC CASE 632-08 LS125A VCC 14 E 13 D 12 O 11 E 10 D 9 O 8 14 1 14 1 N SUFFIX PLASTIC CASE 646-06 1 E 2 D 3 O 4 E 5 D 6 O 7 GND 14 1 LS126A D SUFFIX SOIC CASE 751A-02 TRUTH TABLES LS125A INPUTS E L L H D L H X OUTPUT L H (Z) INPUTS E H H L D L H X OUTPUT L H (Z) LS126A ORDERING INFORMATION SN54LSXXXJ SN74LSXXXN SN74LSXXXD Ceramic Plastic SOIC L = LOW Voltage Level H = HIGH Voltage Level X = Don't Care (Z) = High Impedance (off) GUARANTEED OPERATING RANGES Symbol VCC TA IOH IOL Supply Voltage Operating Ambient Temperature Range Output Current -- High Output Current -- Low Parameter 54 74 54 74 54 74 54 74 Min 4.5 4.75 - 55 0 Typ 5.0 5.0 25 25 Max 5.5 5.25 125 70 - 1.0 - 2.6 12 24 Unit V C mA mA FAST AND LS TTL DATA 5-1 SN54/74LS125A * SN54/74LS126A DC CHARACTERISTICS OVER OPERATING TEMPERATURE RANGE (unless otherwise specified) Limits Symbol S bl VIH VIL VIK VOH Parameter P Input HIGH Voltage 54 Input LOW Voltage 74 Input Clamp Diode Voltage 54 Output HIGH Voltage 74 54, 74 VOL IOZH IOZL IIH IIL IOS ICC Output LOW Voltage 74 Output Off Current HIGH Output Off Current LOW Input HIGH Current 0.1 Input LOW Current Short Circuit Current (Note 1) LS125A Power Supply Current LS126A 22 - 40 - 0.4 -225 20 mA VCC = MAX 0.35 0.5 20 - 20 20 V A A A mA mA mA 2.4 0.25 0.4 V V 2.4 - 0.65 0.8 - 1.5 V V Min 2.0 0.7 V Typ Max Unit Ui V Test C di i T Conditions Guaranteed Input HIGH Voltage for All Inputs Guaranteed Input LOW Voltage for p g All Inputs VCC = MIN, IIN = - 18 mA , , VCC = MIN, IOH = MAX, VIN = VIH or VIL per Truth Table IOL = 12 mA IOL = 24 mA VCC = VCC MIN, VIN = VIL or VIH per Truth Table VCC = MAX, VOUT = 2.4 V VCC = MAX, VOUT = 0.4 V VCC = MAX, VIN = 2.7 V VCC = MAX, VIN = 7.0 V VCC = MAX, VIN = 0.4 V VCC = MAX VIN = 0 V, VE = 4.5 V VIN = 0 V, VE = 0 V Note 1: Not more than one output should be shorted at a time, nor for more than 1 second. AC CHARACTERISTICS (TA = 25C) Limits Symbol S bl tPLH tPLH tPHL tPHL tPZH Output Enable Time p to HIGH Level Output Enable Time p to LOW Level Output Disable Time p from HIGH Level Output Disable Time p from LOW Level Propagation Delay, P p g i D l y, Data to Output Parameter P LS125A LS126A LS125A LS126A LS125A LS126A LS125A LS126A LS125A LS126A LS125A LS126A Min Typ 9.0 9.0 7.0 8.0 12 16 15 21 Max 15 15 ns 18 18 20 ns 25 25 ns 35 20 ns 25 20 ns 25 FIgures 3 5 3, Figures 4 5 4, VCC = 5.0 V 50 CL = 5.0 pF 50 RL = 667 Figures 3 5 3, Figures 4 5 4, VCC = 5.0 V 50 CL = 45 pF RL = 667 Figure 2 Fi Unit Ui Test C di i T Conditions tPZL tPHZ tPLZ FAST AND LS TTL DATA 5-2 SN54/74LS125A * SN54/74LS126A VIN VIN 1.3 V tPLH 1.3 V 1.3 V tPHL 1.3 V 1.3 V tPHL 1.3 V tPLH 1.3 V VOUT VOUT 1.3 V Figure 1 Figure 2 VE 1.3 V VE tPZL VOUT 1.3 V tPLZ 1.3 V VOL 0.5 V 1.3 V VE 1.3 V VE tPZH 1.3 V tPHZ > VOH 1.3 V 0.5 V 1.3 V VOUT Figure 3 Figure 4 VCC RL SW1 TO OUTPUT UNDER TEST 5 k CL SW2 Figure 5 SWITCH POSITIONS SYMBOL tPZH tPZL tPLZ tPHZ SW1 Open Closed Closed Closed SW2 Closed Open Closed Closed FAST AND LS TTL DATA 5-3 |
Price & Availability of SN5474LS125A
 |
|
|
|
|
All Rights Reserved © IC-ON-LINE 2003 - 2022 |
| [Add Bookmark] [Contact Us] [Link exchange] [Privacy policy] |
|
Mirror Sites : [www.datasheet.hk]
[www.maxim4u.com] [www.ic-on-line.cn]
[www.ic-on-line.com] [www.ic-on-line.net]
[www.alldatasheet.com.cn]
[www.gdcy.com]
[www.gdcy.net] |