TECHNICAL DATA Octal d-type latch with three state outputs IN74VHC373 integrated circuits are designed for using in up-to-date high-performance computers, high-level electronic equipment for consumer application. IN74VHC373 is identical in pinout to the IC series IN74HC373A, IN74HCT373A, IN74AC373A, IN74ACT373A. Input voltage levels are compatible with standard C-MOS levels. Output voltage levels are compatible with input levels of C-MOS, N-MOS and TTL ICs. IN74VHC373 ORDERING INFORMATION IN74VHC373N Plastic IN74VHC373DW SOIC TA = -40° to 85° C for all packages Features: • Supply voltage 2.0 - 5.5 V. • Low input current: 1.0 mkA; 0.1 mkA at Т = 25 °С. • Output current 8 mA. • Latchup current not less than 300 mA at Т = 85 °С. • Tolerable value of static potential not less than 2000V as per human body model (HBM) and not less than 200V as per machine model (ММ). . 1 IN74VHC373 IN74VHC373 truth table Input Output G A Y L L L L H H H X Z Note – H - high voltage level; L - low voltage level; X - any voltage level (low or high); Z - output in third state Pins description in IN74VHC373 Pinout OE 01 20 VCC Q0 02 19 Q7 D0 03 18 D7 D1 04 17 D6 Q1 05 16 Q6 Q2 06 15 Q5 D2 07 14 D5 D3 08 13 D4 Q3 09 12 Q4 GND 10 11 LE Pin No. 01 Symbol OE Description Input OUTPUT ENABLE 02 Q0 Data output 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 D0 D1 Q1 Q2 D2 D3 Q3 GND LE Q4 D4 D5 Q5 Q6 D6 D7 Q7 Data input Data input Data output Data output Data input Data input Data output Common output Recording enable input Data output Data input Data input Data output Data output Data input Data input Data output 20 Vcc Supply output from voltage source 2 IN74VHC373 Absolute maximum conditions* Parameter, unit Symbol Supply voltage, V Input voltage, V Output voltage, V Input diode current, mA Current of common output and supply output, mA Output current, mA Output diode current, mA Dissipated power, mW VCC Vin Vout Iik Icc Iout Iok Pd Value min max -0.5 -0.5 -0.5 – – 7.0 7.0 Vcc+0.5V -20 ± 75 – – – ± 25 ± 20 180 *Under absolute maximum conditions operation of microcircuit is not guaranteed. Operation is guaranteed under maximum conditions Maximum conditions Parameter, unit Supply voltage, V Input voltage,V Output voltage, V Output current, mA Input rise and fall time, ns/V at Vcc = (3.3 ± 0.3) V at Vcc = (5.0 ± 0.5) V Symbol VCC Vin Vout Iout tLH, tHL Value min max 2.0 0 0 – 5.5 VCC VCC ± 8.0 0 0 100 20 3 IN74VHC373 DC electrical characteristics Value Symbo l VIH Parameter Test conditions High input voltage – 25 °C VCC, V 2.0 min 1.5 3.0-5.5 0.7Vcc VIL Low input voltage VOH High output voltage VOL IOZ II ICC Low output voltage – VI = VIH or VIL IO = -50 mkA VI = VIH or VIL; IO = -4 mA VI = VIH or VIL; IO = -8 mA VI = VIH orVIL IO = 50 mkA –40 to 85 °C min max 1.5 – max – – 0.7Vcc – 2.0 – 0.5 – 0.5 3.0-5.5 2.0 3.0 4.5 5.5 – 1.92 2.92 4.42 5.52 0.3Vcc – – – – – 1.9 2.9 4.4 5.4 0.3Vcc – – – – 3.0 2.58 – 2.48 – 4.5 3.94 – 3.80 – 2.0 3.0 4.5 5.5 – – – – 0.09 0.09 0.09 0.09 – – – – 0.1 0.1 0.1 0.1 – 0.36 – 0.44 – 0.36 – 0.44 - ±0.25 - ±2.5 - ±0.1 4.0 - ±1.0 40.0 VI = VIH or VIL 3.0 IO = 4 mA VI = VIH or VIL 4.5 IO = 8 mA Output current in VI = VIH or VIL 5.5 VO = VCC or 0V "off" state Input current VI = 5.5V or 0V 0 – 5.5 Consumption current VI =VCC or 0V 5.5 Unit V uA Noise characteristics (CL = 50 pF) Parameter Symbol VOLP VOLV VIHD VILD Positive noise of low output voltage Negative noise of low output voltage Input dynamic high voltage Input dynamic low voltage Unit Value VCC, V 5.0 5.0 min -0.9 max 0.9 - 5.0 5.0 3.5 - 1.5 V 4 IN74VHC373 AC electrical characteristics (tLH = tHL = 3.0 ns, RL = 1 kOhm) Symbol tPHL, tPLH Test conditi VCC, V ons Parameter Popagation delay time Fig. 1 when switching «on», «off» from input LE to output Q From input D to output Q CL, pF 3.3 ± 0.3 3.3 ± 0.3 15 50 15 50 15 50 15 50 50 5.0 ± 0.5 50 – 9.2 – 10.5 3.3 ± 0.3 15 50 15 50 15 50 15 50 15 50 15 50 15 50 15 50 50 50 – – – – 4.0 4.0 4.0 4.0 1.0 1.0 1.0 1.0 5.0 5.0 5.0 5.0 – – 11.4 14.9 8.1 10.1 – – – – – – – – – – – – 1.5 1.0 – – – – 4.0 4.0 4.0 4.0 1.0 1.0 1.0 1.0 5.0 5.0 5.0 5.0 – – 13.5 17.0 9.5 11.5 – – – – – – – – – – – – 1.5 1.0 5.0 ± 0.5 3.3 ± 0.3 5.0 ± 0.5 tPHZ , tPLZ Propagation delay time Fig.2 under transition from high, low level into «off» state tPZH , tPZL Propagation delay time Fig.2 under transition from «off» state into high, low level tSU Time of setting signal D Fig.3 relativey to LE 5.0 ± 0.5 3.3 ± 0.3 5.0 ± 0.5 tH Retention time, D signal Fig.3 to LE 3.3 ± 0.3 5.0 ± 0.5 tW Pulse duration signal of LE Fig.3 3.3 ± 0.3 5.0 ± 0.5 tOSLH, tOSHL Propagation difference outputs delays between – Value -40°C to 25°C 85°C min max min max – 11.0 – 13.0 – 14.5 – 16.5 – 7.2 – 8.5 – 9.2 – 10.5 – 11.4 – 13.5 – 14.9 – 17.0 – 7.2 – 8.5 – 9.2 – 10.5 – 13.2 – 15.0 3.3 ± 0.3 5.5 ± 0.5 Unit ns Capacitance characteristics Symbol CI CO CРD Parameter Input capacity Output capacity Dynamic capacity Test conditions VI = 0 V orVCC VCC, V 5.0 5.0 5.0 Value 25 °C min max 10 12 54 Unit pF pF pF 5 IN74VHC373 - Time diagram of input and output pulses tLH tHL 0.9 Input 0.5 VCC 0.9 0.5 0.1 GND 0.1 tPHL tPLH VCC 0.5 Output 0.5 0V Fig. 1 tHL Input tLH VCC 0.9 0.9 0.5 0.5 0.1 0V 0.1 tPZH Output 0.9 tPHZ 0.5 0V VCC tPLZ Output VOH 0.5 tPZL 0.1 VOL Fig.2 6 IN74VHC373 Time diagram of input pulses VCC Input D 0.5 0.5 tSU tH GND VCC Input LE 0.5 0.5 tW GND Fig.3 7 IN74VHC373 N SUFFIX PLASTIC DIP (MS - 001AD) A Dimension, mm 11 20 B 1 10 Symbol MIN MAX A 24.89 26.92 B 6.1 7.11 5.33 C F L C -T- SEATING PLANE N D 0.36 0.56 F 1.14 1.78 G 2.54 H 7.62 J 0° 10° K 2.92 3.81 0.25 (0.010) M T L 7.62 8.26 1. Dimensions “A”, “B” do not include mold flash or protrusions. M 0.2 0.36 N 0.38 G K M D NOTES: J H Maximum mold flash or protrusions 0.25 mm (0.010) per side. D SUFFIX SOIC (MS - 013AC) A 20 11 H Dimension, mm B 1 P 10 G R x 45 C -TK D SEATING PLANE J 0.25 (0.010) M T C M F M Symbol MIN MAX A 12.6 13 B 7.4 7.6 C 2.35 2.65 D 0.33 0.51 F 0.4 1.27 G 1.27 H 9.53 J 0° 8° 1. Dimensions A and B do not include mold flash or protrusion. K 0.1 0.3 2. Maximum mold flash or protrusion 0.15 mm (0.006) per side M 0.23 0.32 P 10 10.65 R 0.25 0.75 NOTES: for A; for B ‑ 0.25 mm (0.010) per side. 8