PI74FCT373T PI74FCT573T 12345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901212345678901234567890123456789012123456789012 Octal Transparent Latches 12345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901212345678901234567890123456789012123456789012 12345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901212345678901234567890123456789012123456789012 Fast CMOS Octal Transparent Latches Features: Description: • PI74FCT373/573T are pin compatible with bipolar FAST™ Series at a higher speed and lower power consumption • TTL input and output levels • Low ground bounce outputs • Extremely low static power • Hysteresis on all inputs • Industrial operating temperature range: –40°C to +85°C • Device models available upon request • Packaging: – 20-pin TSSOP (L) – 20-pin SSOP (H) – 20-pin QSOP (Q) – 20-pin SOIC (S) Pericom Semiconductor’s PI74FCT373T and PI74FCT 573T are 8-bit wide octal transparent latches designed with 3-state outputs and are intended for bus oriented applications. When Latch Enable (LE) is HIGH, the flip-flops appear transparent to the data. The data that meets the set-up time when LE is LOW is latched. When OE is HIGH, the bus output is in the high impedance state. Block Diagram D0 D1 D D2 D D3 D O D O G D4 D O G D5 D O G D6 D O G D7 D O G O G O G G LE OE O0 O1 O2 O3 1 O4 O5 O6 O7 PS2015B 10/06/04 PI74FCT373T PI74FCT573T OCTAL TRANSPARENT LATCHES 12345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901212345678901234567890123456789012123456789012 12345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901212345678901234567890123456789012123456789012 PI74FCT373 Pin Configuration OE O0 D0 D1 O1 O2 D2 D3 O3 GND 1 20 2 19 3 18 20-PIN 4 L20 17 5 P20 16 6 Q20 15 S20 14 7 8 13 9 12 10 11 Pin Description Pin Name OE LE D0-D7 O0-O7 O0-O7 GND VCC Vcc O7 D7 D6 O6 O5 D5 D4 O4 LE Truth Table(1) DN H L X PI74FCT573 Pin Configuration OE D0 D1 D2 D3 D4 D5 D6 D7 GND 1 20 2 19 3 20-PIN 18 L20 4 17 P20 5 16 Q20 6 15 S20 7 14 8 13 9 12 10 11 Description Output Enable Input (Active LOW) Latch Enable Input (Active HIGH) Data Inputs 3-State Outputs Complementary 3-State Outputs Ground Power Vcc O0 O1 O2 O3 O4 O5 O6 O7 1. Inputs LE H H X OE L L H Outputs ON H L Z H = High Voltage Level L = Low Voltage Level X = Don’t Care Z = High Impedance LE 2 PS2015B 10/06/04 PI74FCT373T PI74FCT573T OCTAL TRANSPARENT LATCHES 12345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901212345678901234567890123456789012123456789012 12345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901212345678901234567890123456789012123456789012 Maximum Ratings (Above which the useful life may be impaired. For user guidelines, not tested.) Storage Temperature ................................................................. –65°C to +150°C Ambient Temperature with Power Applied ................................. -40°C to +85°C Supply Voltage to Ground Potential (Inputs & Vcc Only) .......... –0.5V to +7.0V Supply Voltage to Ground Potential (Outputs & D/O Only) ....... –0.5V to +7.0V DC Input Voltage ......................................................................... –0.5V to +7.0V DC Output Current ................................................................................... 120 mA Note: Stresses greater than those listed under MAXIMUM RATINGS may cause permanent damage to the device. This is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect reliability. Power Dissipation ......................................................................................... 0.5W DC Electrical Characteristics (Over the Operating Range, TA = –40°C to +85°C, VCC = 5.0V ± 5%) Parameters Description Test Conditions(1) Min. Typ(2) Max. Units VOH Output HIGH Voltage VCC = Min., VIN = VIH or VIL IOH = –15.0 mA 2.4 3.0 V VOL Output LOW Current VCC = Min., VIN = VIH or VIL IOL = 64 mA 0.3 0.55 V VOL Output LOW Current VCC = Min., VIN = VIH or VIL IOL = 12 mA (25Ω Series) 0.3 0.50 V VIH Input HIGH Voltage Guaranteed Logic HIGH Level VIL Input LOW Voltage Guaranteed Logic LOW Level IIH Input HIGH Current VCC = Max. IIL Input LOW Current IOZH High Impedance IOZL Output Current VIK Clamp Diode Voltage VCC = Min., IIN = –18 mA IOFF Power Down Disable VCC = GND, VOUT = 4.5V IOS Short Circuit Current VCC = Max.(3), VOUT = GND VH Input Hysteresis 2.0 V 0.8 V VIN = VCC 1 µA VCC = Max. VIN = GND –1 µA VCC = MAX. VOUT = 2.7V 1 µA VOUT = 0.5V –1 µA –0.7 –1.2 V — — 100 µA –60 –120 mA 200 mV Capacitance (TA = 25°C, f = 1 MHz) Parameters(4) Description Test Conditions Typ Max. Units CIN Input Capacitance VIN = 0V 6 10 pF COUT Output Capacitance VOUT = 0V 8 12 pF Notes: 1. For Max. or Min. conditions, use appropriate value specified under Electrical Characteristics for the applicable device type. 2. Typical values are at Vcc = 5.0V, +25°C ambient and maximum loading. 3. Not more than one output should be shorted at one time. Duration of the test should not exceed one second. 4. This parameter is determined by device characterization but is not production tested. 3 PS2015B 10/06/04 PI74FCT373T PI74FCT573T OCTAL TRANSPARENT LATCHES 12345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901212345678901234567890123456789012123456789012 12345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901212345678901234567890123456789012123456789012 Power Supply Characteristics Test Conditions(1) Parameters Description Min. Typ(2) Max. Units ICC Quiescent Power Supply Current VCC = Max. VIN = GND or VCC 0.1 500 µA ∆ICC Supply Current per Input @ TTL HIGH VCC = Max., VIN = 3.4V(3) 0.5 2.0 mA ICCD Supply Current per Input per MHz(4) VCC = Max., Outputs Open OE = GND LE = VCC One Bit Toggling 50% Duty Cycle VIN = VCC VIN = GND 0.15 0.25 mA/ MHz IC Total Power Supply Current(6) VCC = Max., Outputs Open fI = 10 MHZ 50% Duty Cycle OE = GND LE = VCC One Bit Toggling VIN = VCC VIN = GND 1.5 3.0(5) mA VIN = 3.4V VIN = GND 1.8 4.5(5) VCC = Max., Outputs Open fI = 2.5 MHZ 50% Duty Cycle OE = GND LE = VCC Eight Bits Toggling VIN = VCC VIN = GND 3.0 6.0(5) VIN = 3.4V VIN = GND 5.0 14.0(5) Notes: 1. For conditions shown as Max. or Min., use appropriate value specified under Electrical Characteristics for the applicable device. 2. Typical values are at Vcc = 5.0V, +25°C ambient. 3. Per TTL driven input (VIN = 3.4V); all other inputs at Vcc or GND. 4. This parameter is not directly testable, but is derived for use in Total Power Supply Calculations. 5. Values for these conditions are examples of the Icc formula. These limits are guaranteed but not tested. 6. IC =IQUIESCENT + IINPUTS + IDYNAMIC IC = ICC + ∆ICC DHNT + ICCD (fCP/2 + fINi) ICC = Quiescent Current ∆ICC = Power Supply Current for a TTL High Input (VIN = 3.4V) DH = Duty Cycle for TTL Inputs High NT = Number of TTL Inputs at DH ICCD = Dynamic Current Caused by an Input Transition Pair (HLH or LHL) fCP = Clock Frequency for Register Devices (Zero for Non-Register Devices) fI = Input Frequency NI = Number of Inputs at fI All currents are in milliamps and all frequencies are in megahertz. 4 PS2015B 10/06/04 PI74FCT373T PI74FCT573T OCTAL TRANSPARENT LATCHES 12345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901212345678901234567890123456789012123456789012 12345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901212345678901234567890123456789012123456789012 PI74FCT373T Switching Characteristics over Operating Range 373T 373AT Com. Parameters t PLH t PHL t PLH t PHL t PZH t PZL t PHZ t PLZ tSU tH tW 373CT Com. 373DT Com. Com. Description Conditions(1) Min Max Min Max Min Max Min Max Unit Propagation Delay DN to ON Propagation Delay LE to ON Output Enable Time OE to ON Output Disable Time(3) OE to ON Setup Time HIGH or LOW, DN to LE Hold Time HIGH or LOW, DN to LE LE Pulse Width(3) HIGH CL = 50 pF RL = 500Ω 1.5 8.0 1.5 5.2 1.5 4.2 1.5 3.8 ns 2.0 13.0 2.0 8.5 2.0 5.5 1.5 4.9 ns 1.5 12.0 1.5 6.5 1.5 5.5 1.5 5.5 ns 1.5 7.5 1.5 5.5 1.5 5.0 1.5 5.0 ns 2.0 — 2.0 — 2.0 — 2.0 — ns 1.5 — 1.5 — 1.5 — 1.5 — ns 6.0 — 5.0 — 5.0 — 4.0 — ns PI74FCT573T Switching Characteristics over Operating Range Parameters t PLH t PHL t PLH t PHL t PZH t PZL t PHZ t PLZ tSU tH tW 573T 573AT 573CT 573DT Com. Com. Com. Com. Description Conditions Min Max Min Max Min Max Min Max Unit Propagation Delay DN to ON Propagation Delay LE to ON Output Enable Time OE to ON Output Disable Time(3) OE to ON Setup Time HIGH or LOW, DN to LE Hold Time HIGH or LOW, DN to LE LE Pulse Width(3) HIGH CL = 50 pF RL = 500Ω 1.5 8.0 1.5 5.2 1.5 4.2 1.5 3.8 ns 2.0 12.0 2.0 8.5 2.0 5.5 2.0 4.9 ns 1.5 9.5 1.5 6.5 1.5 5.5 1.5 5.5 ns 1.5 6.5 1.5 5.5 1.5 5.0 1.5 5.0 ns 2.0 — 2.0 — 2.0 — 1.5 — ns 1.5 — 1.5 — 1.5 — 1.0 — ns 6.0 — 5.0 — 5.0 — 3.0 — ns (1) Notes: 1. See test circuit and wave forms. 2. Minimum limits are guaranteed but not tested on Propagation Delays. 3. This parameter guaranteed but not production tested. 5 PS2015B 10/06/04 PI74FCT373T PI74FCT573T OCTAL TRANSPARENT LATCHES 12345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901212345678901234567890123456789012123456789012 12345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901212345678901234567890123456789012123456789012 Packaging Mechanical: 20-Pin TSSOP (L) 20 .169 .177 4.3 4.5 1 .252 .260 6.4 6.6 .004 0.09 .008 0.20 .047 1.20 Max .007 .012 0.19 0.30 .0256 BSC 0.65 0.45 0.75 SEATING PLANE .018 .030 .238 .269 6.1 6.7 .002 0.05 .006 0.15 X.XX X.XX DENOTES CONTROLLING DIMENSIONS IN MILLIMETERS Packaging Mechanical: 20-pin QSOP (Q) 20 .008 0.20 MIN. .150 .157 .008 .013 0.20 0.33 3.81 3.99 Guage Plane .010 0.254 1 Detail A .337 8.56 .344 8.74 .058 REF 1.47 .041 1.04 REF .015 x 45˚ 0.38 .053 1.35 .069 1.75 Detail A .007 .010 SEATING PLANE .016 .050 .025 BSC 0.635 0˚-6˚ .016 .035 0.41 0.89 .004 0.101 .010 0.254 0.178 0.254 0.41 1.27 .228 .244 5.79 6.19 .008 0.203 .012 0.305 X.XX DENOTES DIMENSIONS X.XX IN MILLIMETERS 6 PS2015B 10/06/04 PI74FCT373T PI74FCT573T OCTAL TRANSPARENT LATCHES 12345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901212345678901234567890123456789012123456789012 12345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901212345678901234567890123456789012123456789012 Packaging Mechanical: 20-Pin SSOP (H) 20 5.00 5.60 .197 .220 1 .004 .009 .272 .295 6.90 7.50 0.55 .022 0.95 .037 .078 2.00 Max .291 .322 7.40 8.20 SEATING PLANE .0256 BSC 0.65 0.09 0.25 .002 Min 0.050 .0098 Max. 0.25 X.XX DENOTES DIMENSIONS X.XX IN MILLIMETERS Packaging Mechanical: 20-pin SOIC (S) 20 .2914 .2992 7.40 7.60 .010 .029 0.254 x 45˚ 0.737 1 .496 12.60 .511 12.99 .020 0.508 REF .030 0.762 .013 .020 0.33 0.51 0.23 0.32 0.41 .016 1.27 .050 .0926 .1043 2.35 2.65 .394 .419 10.00 10.65 SEATING PLANE .050 BSC 1.27 .0091 .0125 0-8˚ .0040 .0118 0.10 0.30 X.XX DENOTES CONTROLLING X.XX DIMENSIONS IN MILLIMETERS 7 PS2015B 10/06/04 PI74FCT373T PI74FCT573T OCTAL TRANSPARENT LATCHES 12345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901212345678901234567890123456789012123456789012 12345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901212345678901234567890123456789012123456789012 PI74FCT373T Ordering Information Ordering Code Package Code Speed Grade Package Type PI74FCT373TL PI74FCT373TQ PI74FCT373TS PI74FCT373ATH PI74FCT373ATL PI74FCT373ATS PI74FCT373ATQ PI74FCT373CTH PI74FCT373CTL L Q S H L S Q H L Blank Blank Blank A A A A C C 20-pin TSSOP 20-pin QSOP 20-pin SOIC 20-pin SSOP 20-pin TSSOP 20-pin SOIC 20-pin QSOP 20-pin SSOP 20-pin TSSOP PI74FCT373CTS PI74FCT373CTQ PI74FCT373DTH PI74FCT373DTL PI74FCT373DTQ S Q H L Q C C D D D 20-pin SOIC 20-pin QSOP 20-pin SSOP 20-pin TSSOP 20-pin QSOP PI74FCT573T Ordering Information Ordering Code PI74FCT573TQ PI74FCT573TS PI74FCT573ATH PI74FCT573ATL PI74FCT573ATS PI74FCT573ATQ PI74FCT573CTH PI74FCT573CTL PI74FCT573CTS PI74FCT573CTQ PI74FCT573DTQ Package Code Q S H L S Q H L S Q Q Speed Grade Blank Blank A A A A C C C C D Package Type 20-pin QSOP 20-pin SOIC 20-pin SSOP 20-pin TSSOP 20-pin SOIC 20-pin QSOP 20-pin SSOP 20-pin TSSOP 20-pin SOIC 20-pin QSOP 20-pin QSOP Notes: 1. Thermal characteristics can be found on the company web site at www.pericom.com/packaging/ Pericom Semiconductor Corporation • 1-800-435-2336 • www.pericom.com 8 PS2015B 10/06/04