TOSHIBA CMOS DIGITAL INTEGRATED CIRCUIT INTEGRATED CIRCUIT TOSHIBA TECHNICAL DATA OCTAL BUS BUFFER TC74AC240P/F/FW/FS_ INVERTED, 3 -STATE OUTPUTS TC74AC244P/F/FW/FS NON -INVERTED, 3 -STATE OUTPUTS TC74AC240P/F/FW/FS, TC74AC244P/F/FW/FS SILICON MONOLITHIC The TC74AC240 and 244 are advanced high speed CMOS OCTAL BUS BUFFERs fabricated with silicon gate and double - layer metal wiring C2MOS technology. They achieve the high speed operation similar to equivalent Bipolar Schottky TTL while maintaining the CMOS low power dissipation. The 74A4C240 is an inverting 3 - state buffer while the 74AC244 is non-inverting. Both devices have two active - low output enables. These devices are designed to be used in such applications as 3-state memory address drivers. All inputs are equipped with protection circuits against static discharge or transient excess voltage. FEATURES: High Speedse-sssssesssessesseeseeeees toa = 4.0ns(typ.) at Voc =5V Low Power Dissipation -::++++++++++++ loc = 8uA(Max.) at Ta= 25C High Noise Immunity------+---+++-+++ Vain = Vai = 28% Voc (Min.) Symmetrical Output Impedance:--| lox | =lo, =24mA(Min.) Capability of driving 500 transmission lines. e Balanced Propagation Delays---- tp_y=tpHL Wide Operating Voltage Range::-: Vcc (opr) =2V~5.5V e Pin and Function Compatible with 74F240 / 244 ee 0 Fagg = a 41 1 P ( DIP20 P 300A) FW (SOL20P 300) Weight: 1.30g(TYP.) Weitht : 0.46g (TYP.) F (SOP20 P 300) FS (SSOP20 P 225A) Weight: 0.22g (TYP.) Weight: 0.09g (TYP.) PIN ASSIGNMENT TRUTH TABLE INPUTS OUTPUTS G An | Yp7(244) | Yn(240) L L L H L H H L H X Z Zz X :Dont Care Z :High Impedance TC74AC240 61 20 ve iar 2 Se <b] 19 26 274 30 \ ig 11 1A2 4 Oe PoXH] 17 204 273 5 J \\ [] 16 12 1036 CHS Pex] 15 203 22 70 N [] 14 13 1A4 8 qe PoXH] 13 22 271 9 [J 12 14 GND 10 xt 2A1 (TOP VIEW) TC74AC244 VV 16 1Q7 T] 20 Vic Vy 103 6 2v2 70 1A4 8 2v1 9 GND 10 T]} 15 243 14 13 r] 13 2A2 fy 12 14 ].11 2a1 11 20 ] 19 2G 2va 3 O \ ig 1v1 1A2 4 ot} 17 204 273 50 \ 16 1v2 FA al | | & ie The information contained herein is presented only as a guide for the applications of our products. No responsibility is assumed by TOSHIBA CORPORATION for any infringements of intellectual property or other rights of the third parties which may result from its use. No license is granted by implication or otherwise under any intellectual property or other rights of TOSHIBA CORPORATION or others. These TOSHIBA products are intended for use in general commercial applications (office equipment, communication equipment, measuring equipment, domestic appliances, etc.). please make sure that you consult with us before you use these TOSHIBA products in equipment which requires extraordinarily high quality and/or reliability, and in equipment which may involve life threatening or critical application, including but not limited to such uses as atomic energy control, airplane or spaceship instrumentation, traffic signals, medical instrumentation, combustion control, all types of safety devices, etc. TOSHIBA cannot accept and hereby disclaims liability for any damage which may occur in case the TOSHIBA products are used in such equipment or applications without prior consultation with TOSHIBA. TC74AC240 1 @ 1996 - 4-22 TOSHIBA CORPORATIONINTEGRATED CIRCUIT TOSHIBA TC74AC240P/F/FW/FS, TC74AC244P/F/FW/FS TECHNICAL DATA IEC LOGIC SYMBOL 1A1 1A2 1A3 1A4 2A1 2A2 2A3 2A4 TC74AC240 EN 1 1A 12 1A2 1Y3 143 14 1A4 2A1 2A2 2A3 2A4 TC74AC244 EN 11 12 13 1Y4 2Y1 2Y2 23 24 ABSOLUTE MAXIMUM RATINGS PARAMETER SYMBOL VALUE UNIT Supply Voltage Range Vec 0.5~7.0 V DC Input Voltage Vin 0.5~Vec + 0.5 V DC Output Voltage Vout 0.5~Vec +. 0.5 Vv Input Diode Current lik +20 mA Output Diode Current lox +50 mA DC Output Current lout +50 mA DC Vec/Ground Current lee +200 mA Power Dissipation Pp 500 (DIP)* / 180 (SOP/SSOP)| mW Storage Temperature Tstg 65~150 C RECOMMENDED OPERATING CONDITIONS PARAMETER SYMBOL VALUE UNIT Supply Voltage Vec 2.0~5.5 V Input Voltage Vin O~Vec V Output Voltage Vout 0~Vec Vv Operating Temperature Topr 40~85 C Input Rise and Fall Time dt/dV O~ 100 (Vcc = 3.3 0.3V) ns/V O~ 20(Vcec= 5+0.5V) *500mW in the range of Ta= 40C~65C. From Ta =65C to 85C a derating factor of 10mW/C should be applied up to 300mW. TC74AC240 - 2 1996 -4-22 TOSHIBA CORPORATIONINTEGRATED CIRCUIT TOSHIBA TC74AC240P/F/FW/FS, TC74AC244P/F/FW/FS TECHNICAL DATA DC ELECTRICAL CHARACTERISTICS V Ta = 25C Ta = -40~85C PARAMETER SYMBOL TEST CONDITION cc UNIT (Vv) | MIN. | TYP. | MAX. | MIN. | MAX. : 2.90] 1.50 1.50 High - Level _ Input Voltage Mi a5 |3e5| | | Fas | | 2.0 0.50 0.50 Low - Level _ _ Input Voltage Me 55| | | tes | | tes | 2.0 | 1.9 2.0 _ 1.9 _ ; lon = 50 uA 3.0] 2.9 3.0 _- 2.9 _- High - Level Vin= 45 | 4.4 4.5 _ 4.4 _ Output Voltage Vou lonz AmA 301258 = 248 V VinOrVic t= sama | 45 | 394] | 380] lon = 75mA* | 5.5 _ _ _ 3.85 _ 2.0 _ 0.0 0.1 _ 0.1 lo. = 50uA 3.0 0.0 0.1 _ 0.1 Low - Level Vin= 4.5 _ 0.0 0.1 _ 0.1 Output Voltage Vou in=i2ma |30} | | 036) | oaa| VinorVic |e 2amA a5] |036| | O44 lo. = 75MA* 5.5 _ _ 1.65 3 - State Output Vin= Vi orVit _ _ _ Off - State Current loz | Vou; = Vec or GND 5.5 +0.5 $5.0 Input Leakage Current lin Vin = Vcc or GND 5.5 _ _ +0.1 _ + 1.0 HA Quiescent Supply Current lee Vin =Vec or GND 5.5 _ _ 8.0 _ 80.0 * : This spec indicates the capability of driving 500 transmission lines. One output should be tested at a time for a 10ms maximum duration. AC ELECTRICAL CHARACTERISTICS ( C,_ = 50pF, R, = 5000, Input t,=t;=3ns) TEST CONDITION Ta=25C Ta= 40~85C PARAMETER SYMBOL UNIT Vec (V) | MIN. TYP. | MAX. | MIN. | MAX. nak toLH 3.3403) 6.3 | 10.5 1.0 | 12.0 Propagation Delay Time toHL 5.0+05 _ 48 70 1.0 8.0 matk | tpLH 3.30.3) 7.0 | 11.4 1.0 | 13.0 Propagation Delay Time teHL 50+05 _ 59 75 10 85 ns . tozL 3.340.3 8.4 14.0 1.0 16.0 Output Enable Time torn 50+05| 59 87 10 10.0 . . toLz 3.3 40.3 - 6.4 10.5 1.0 12.0 Output Disable Time tonz 50+tos5| 55 79 10 90 Input Capacitance Cin _ 5 10 _ 10 Output Capacitance Cout _ 10 _ _ _ pF Power Dissipation Capacitance | Cpp (1) 30 _ _ _ Note (1) Cpp is defined as the value of the internal equivalent capacitance which is calculated from the operating current consumption without load. Average operating current can be obtained by the equation: Icc (Opr.) =C pp: Vec* fin+lcc/8 (per bit) (2) * for TC74AC240 only ** for TC74AC244 only TC74AC240 - 3 1996 -4-22 TOSHIBA CORPORATIONINTEGRATED CIRCUIT TOSHIBA TC74AC240P/F/FW/FS, TC74AC244P/F/FW/FS TECHNICAL DATA DIP 20PIN OUTLINE DRAWING ( DIP20 P 300A) Unit in mm 20 1 Ct) 0-15 6.440.2 62 GARETT er errr ire 25.1MAX 24.610.2 0.95+0.1 3.340.3 0.87TyP | | Weight : 1.30g (TYP.) SOP 20PIN ( 200mil BODY ) OUTLINE DRAWING ( SOP20 P 300) Unit in mm 20 11 HHAHAHHHAA F Ny 3 = s| 3 i wo) os 2 HER HARRAR BRE ' 1 10 0.685TYP _ 0.43+0.1 (510.25 1.27 | 13.3MAX 12.820,2 N qi = Tir = id 8 3 0.1] SF Sc 0.8+0.2 Weight : 0.22 (TYP.) TC74AC240 - 4 1996 -4-22 TOSHIBA CORPORATIONINTEGRATED CIRCUIT TOSHIBA TC74AC240P/F/FW/FS, TC74AC244P/F/FW/FS TECHNICAL DATA SOP 20PIN (300mil BODY ) OUTLINE DRAWING (SOL20P 300) Unit in mm 20 VW 7.540.1 10.340.2 10 0,.42+0.07 610.25 Ga) 1.27 12.8+0.1 45 Nx ao y Og< fools] : Non 7 7 o 5 & 710.1] S o 0.9+0.3 Weight : 0.46g (TYP.) SSOP 20PIN OUTLINE DRAWING ( SSOP20 P 225A) Unit in mm 20 11 ; RHHHAE RE f Ny aal| = oO OQ Ee 4 +i M115 O | 3 ou PEWWUHEE SJ 0.65 7.0MAX 6.5+0.2 Se 10 Tt = 2 fc 0.1 <8 < - $9 Weight : 0.09g (TYP.) 5 0.45+0.2 TC74AC240 5* 1996 -4-22 TOSHIBA CORPORATION