SEMICONDUCTOR TECHNICAL DATA '.'%+"! $+ )&*()!&+ +# $+# '%!)&+ &(,+* & ,+(,+* ++! '&&-!)+$&" The MC74VCX16373 is an advanced performance, non–inverting 16–bit transparent latch. It is designed for very high–speed, very low–power operation in 1.8V, 2.5V or 3.3V systems. The VCX16373 is byte controlled, with each byte functioning identically, but independently. Each byte has separate Output Enable and Latch Enable inputs. These control pins can be tied together for full 16–bit operation. When operating at 2.5V (or 1.8V) the part is designed to tolerate voltages it may encounter on either inputs or outputs when interfacing to 3.3V busses. It is guaranteed to be over–voltage tolerant to 3.6V. The MC74VCX16373 contains 16 D–type latches with 3–state 3.6V–tolerant outputs. When the Latch Enable (LEn) inputs are HIGH, data on the Dn inputs enters the latches. In this condition, the latches are transparent, (a latch output will change state each time its D input changes). When LE is LOW, the latch stores the information that was present on the D inputs a setup time preceding the HIGH–to–LOW transition of LE. The 3–state outputs are controlled by the Output Enable (OEn) inputs. When OE is LOW, the outputs are enabled. When OE is HIGH, the standard outputs are in the high impedance state, but this does not interfere with new data entering into the latches. VCX LOW–VOLTAGE 1.8/2.5/3.3V 16–BIT TRANSPARENT LATCH DT SUFFIX 48–LEAD PLASTIC TSSOP PACKAGE CASE 1201–01 • Designed for Low Voltage Operation: VCC = 1.8–3.6V • 3.6V Tolerant Inputs and Outputs • High Speed Operation: 3.0ns max for 3.0 to 3.6V • • • • • • 3.4ns max for 2.3 to 2.7V 6.0ns max for 1.8V Static Drive: ±24mA Drive at 3.0V ±18mA Drive at 2.3V ±6mA Drive at 1.8V Supports Live Insertion and Withdrawal IOFF Specification Guarantees High Impedance When VCC = 0V Near Zero Static Supply Current in All Three Logic States (20µA) Substantially Reduces System Power Requirements Latchup Performance Exceeds ±300mA ESD Performance: Human Body Model >2000V; Machine Model >200V PIN NAMES Pins Function OEn LEn D0–D15 O0–O15 Output Enable Inputs Latch Enable Inputs Inputs Outputs This document contains information on a product under development. Motorola reserves the right to change or discontinue this product without notice. 10/97 Motorola, Inc. 1997 1 REV 0.1 MC74VCX16373 OE1 1 48 LE1 O0 2 47 D0 O1 3 46 D1 GND 4 45 GND O2 5 44 D2 O3 6 43 D3 VCC 7 42 VCC O4 8 41 D4 O5 9 40 D5 GND 10 39 GND O6 11 38 D6 O7 12 37 D7 O8 13 36 D8 O9 14 35 D9 GND 15 34 GND O10 16 33 D10 O11 17 32 D11 VCC 18 31 VCC O12 19 30 D12 O13 20 29 D13 GND 21 28 GND O14 22 27 D14 O15 23 26 D15 OE2 24 25 LE2 OE1 LE1 1 OE2 48 LE2 D0 D1 D2 O2 D3 O3 40 D5 O5 Q D6 37 D7 Figure 1. 48–Lead Pinout (Top View) Inputs 26 D15 D O14 23 nLE O7 Q 22 Q D 12 nLE O13 Q 27 D14 D 20 nLE nLE O6 Q O12 D 11 nLE 38 29 D13 D 19 Q D 9 nLE O11 Q 30 D12 D 17 nLE nLE O4 Q O10 Q D 8 nLE D4 32 D11 D 16 nLE D 6 Q 41 33 D10 nLE O9 Q D 5 Q D 43 35 D9 nLE 14 nLE O1 Q D 44 D 3 nLE O8 Q 36 D8 D 13 nLE O0 Q 46 25 2 nLE 47 24 O15 Q D Figure 2. Logic Diagram Outputs Inputs Outputs LE1 OE1 D0:7 O0:7 LE2 OE2 D8:15 O8:15 X H X Z X H X Z H L L L H L L L H L H H H L H H L L X O0 L L X O0 H = High Voltage Level; L = Low Voltage Level; Z = High Impedance State; X = High or Low Voltage Level and Transitions Are Acceptable, for ICC reasons, DO NOT FLOAT Inputs MOTOROLA 2 LCX DATA BR1339 — REV 2 MC74VCX16373 ABSOLUTE MAXIMUM RATINGS* Symbol Parameter VCC DC Supply Voltage VI DC Input Voltage VO DC Output Voltage Value Condition Unit –0.5 to +4.6 V –0.5 ≤ VI ≤ +4.6 V –0.5 ≤ VO ≤ +4.6 Output in 3–State V –0.5 ≤ VO ≤ VCC + 0.5 Note 1.; Outputs Active V IIK DC Input Diode Current –50 VI < GND mA IOK DC Output Diode Current –50 VO < GND mA +50 VO > VCC mA IO DC Output Source/Sink Current ±50 mA ICC DC Supply Current Per Supply Pin ±100 mA IGND DC Ground Current Per Ground Pin ±100 mA TSTG Storage Temperature Range –65 to +150 °C * Absolute maximum continuous ratings are those values beyond which damage to the device may occur. Exposure to these conditions or conditions beyond those indicated may adversely affect device reliability. Functional operation under absolute–maximum–rated conditions is not implied. 1. IO absolute maximum rating must be observed. RECOMMENDED OPERATING CONDITIONS Symbol Parameter Max Unit 1.8 1.2 3.6 3.6 V –0.3 3.6 V 0 0 VCC 3.6 V VCC Supply Voltage VI Input Voltage VO Output Voltage IOH HIGH Level Output Current, VCC = 3.0V – 3.6V –24 mA IOL LOW Level Output Current, VCC = 3.0V – 3.6V 24 mA IOH HIGH Level Output Current, VCC = 2.3V – 2.7V –18 mA IOL LOW Level Output Current, VCC = 2.3V – 2.7V 18 mA IOH HIGH Level Output Current, VCC = 1.8V –6 mA IOL LOW Level Output Current, VCC = 1.8V 6 mA TA Operating Free–Air Temperature –40 +85 °C ∆t/∆V Input Transition Rise or Fall Rate, VIN from 0.8V to 2.0V, VCC = 3.0V 0 10 ns/V LCX DATA BR1339 — REV 2 Operating Data Retention Only Min (Active State) (3–State) 3 MOTOROLA MC74VCX16373 DC ELECTRICAL CHARACTERISTICS (2.7V < VCC ≤ 3.6V) TA = –40°C to +85°C Symbol Characteristic Condition Min 2.0 VIH HIGH Level Input Voltage (Note 2.) 2.7V < VCC ≤ 3.6V VIL LOW Level Input Voltage (Note 2.) 2.7V < VCC ≤ 3.6V VOH HIGH Level Output Voltage VOL LOW Level Output Voltage Max V 0.8 2.7V < VCC ≤ 3.6V; IOH = –100µA VCC – 0.2 VCC = 2.7V; IOH = –12mA 2.2 VCC = 3.0V; IOH = –18mA 2.4 VCC = 3.0V; IOH = –24mA 2.2 Unit V V 2.7V < VCC ≤ 3.6V; IOL = 100µA 0.2 VCC = 2.7V; IOL = 12mA 0.4 VCC = 3.0V; IOL = 18mA 0.4 VCC = 3.0V; IOL = 24mA 0.55 V II Input Leakage Current 2.7V < VCC ≤ 3.6V; 0V ≤ VI ≤ 3.6V ±5.0 µA IOZ 3–State Output Current 2.7V < VCC ≤ 3.6V; 0V ≤ VO ≤ 3.6V; VI = VIH or VIL ±10 µA IOFF Power–Off Leakage Current VCC = 0V; 0V ≤ (VI, VO) ≤ 3.6V 10 µA ICC Quiescent Supply Current 2.7V < VCC ≤ 3.6V; VI = GND or VCC 20 µA 2.7V < VCC ≤ 3.6V; VCC ≤ (VI, VO) ≤ 3.6V ±20 µA 750 µA ∆ICC Increase in ICC per Input 2.7V < VCC ≤ 3.6V; VIH = VCC – 0.6V 2. These values of VI are used to test DC electrical characteristics only. DC ELECTRICAL CHARACTERISTICS (2.3V ≤ VCC ≤ 2.7V) TA = –40°C to +85°C Symbol Characteristic Condition Min 1.6 VIH HIGH Level Input Voltage (Note 3.) 2.3V ≤ VCC ≤ 2.7V VIL LOW Level Input Voltage (Note 3.) 2.3V ≤ VCC ≤ 2.7V VOH HIGH Level Output Voltage VOL LOW Level Output Voltage Max V 0.7 2.3V ≤ VCC ≤ 2.7V; IOH = –100µA VCC – 0.2 VCC = 2.3V; IOH = –6mA 2.0 VCC = 2.3V; IOH = –12mA 1.8 VCC = 2.3V; IOH = –18mA 1.7 Unit V V 2.3V ≤ VCC ≤ 2.7V; IOL = 100µA 0.2 VCC = 2.3V; IOL = 12mA 0.4 V VCC = 2.3V; IOL = 18mA 0.6 II Input Leakage Current 2.3V ≤ VCC ≤ 2.7V; 0V ≤ VI ≤ 3.6V ±5.0 µA IOZ 3–State Output Current 2.3V ≤ VCC ≤ 2.7V; 0V ≤ VO ≤ 3.6V; VI = VIH or V IL ±10 µA IOFF Power–Off Leakage Current ICC Quiescent Supply Current VCC = 0V; 0V ≤ (VI, VO) ≤ 3.6V 10 µA 2.3V ≤ VCC ≤ 2.7V; VI = GND or VCC 20 µA 2.3V ≤ VCC ≤ 2.7V; VCC ≤ (VI, VO) ≤ 3.6V ±20 µA 3. These values of VI are used to test DC electrical characteristics only. MOTOROLA 4 LCX DATA BR1339 — REV 2 MC74VCX16373 DC ELECTRICAL CHARACTERISTICS (1.8V ≤ VCC < 2.3V) TA = –40°C to +85°C Symbol Characteristic VIH HIGH Level Input Voltage VIL LOW Level Input Voltage VOH HIGH Level Output Voltage VOL Condition Min Max 1.8V ≤ VCC < 2.3V 0.7 × VCC 1.8V ≤ VCC < 2.3V LOW Level Output Voltage Unit V 0.2 × VCC VCC = 1.8V; IOH = –100µA VCC – 0.2 VCC = 1.8V; IOH = –6mA 1.4 V V VCC = 1.8V; IOL = 100µA 0.2 VCC = 1.8V; IOL = 6mA 0.3 V II Input Leakage Current VCC = 1.8V; 0 ≤ VI ≤ 3.6V ±5.0 µA IOZ 3–State Output Current VCC = 1.8V; 0 ≤ VO ≤ 3.6V; VI = VIH or VIL ±10 µA IOFF Power–Off Leakage Current VCC = 0V; 0V ≤ (VI, VO) ≤ 3.6V 10 µA ICC Quiescent Supply Current VCC = 1.8V; VI = VCC or GND 20 µA VCC = 1.8V; VCC ≤ (VI, VO) ≤ 3.6V ±20 AC CHARACTERISTICS (Note 4.; tR = tF = 2.0ns; CL = 30pF; RL = 500Ω) Limits TA = –40°C to +85°C VCC = 3.0V to 3.6V Symbol Parameter VCC = 2.3V to 2.7V Waveform Min Max Min Max VCC = 1.8V Min Max Unit tPLH tPHL Propagation Delay Dn to On 1 0.8 0.8 3.0 3.0 1.0 1.0 3.4 3.4 6.0 6.0 ns tPLH tPHL Propagation Delay LE to On 1 0.8 0.8 3.1 3.1 1.0 1.0 3.9 3.9 6.0 6.0 ns tPZH tPZL Output Enable Time to High and Low Level 2 0.8 0.8 3.5 3.5 1.0 1.0 4.6 4.6 7.0 7.0 ns tPHZ tPLZ Output Disable Time From High and Low Level 2 0.8 0.8 3.5 3.5 1.0 1.0 3.8 3.8 5.0 5.0 ns ts Setup Time, High or Low Dn to LE 3 1.5 1.5 2.5 ns th Hold Time, High or Low Dn to LE 3 1.0 1.0 1.0 ns tw LE Pulse Width, High 3 1.5 1.5 3.0 ns tOSHL tOSLH Output–to–Output Skew (Note 5.) 0.5 0.5 0.5 0.5 0.5 0.5 ns 4. These AC parameters are preliminary and may be modified prior to release. For CL = 50pF, add approximately 300ps to the AC maximum specification. 5. Skew is defined as the absolute value of the difference between the actual propagation delay for any two separate outputs of the same device. The specification applies to any outputs switching in the same direction, either HIGH–to–LOW (tOSHL) or LOW–to–HIGH (tOSLH); parameter guaranteed by design. LCX DATA BR1339 — REV 2 5 MOTOROLA MC74VCX16373 DYNAMIC SWITCHING CHARACTERISTICS TA = +25°C Symbol VOLP VOLV VOHV Characteristic Condition Typ Unit Dynamic LOW Peak Voltage VCC = 1.8V, CL = 30pF, VIH = VCC, VIL = 0V 0.25 V (Note 6.) VCC = 2.5V, CL = 30pF, VIH = VCC, VIL = 0V 0.6 VCC = 3.3V, CL = 30pF, VIH = VCC, VIL = 0V 0.8 Dynamic LOW Valley Voltage VCC = 1.8V, CL = 30pF, VIH = VCC, VIL = 0V –0.25 (Note 6.) VCC = 2.5V, CL = 30pF, VIH = VCC, VIL = 0V –0.6 VCC = 3.3V, CL = 30pF, VIH = VCC, VIL = 0V –0.8 Dynamic HIGH Valley Voltage VCC = 1.8V, CL = 30pF, VIH = VCC, VIL = 0V 1.5 (Note 7.) VCC = 2.5V, CL = 30pF, VIH = VCC, VIL = 0V 1.9 V V VCC = 3.3V, CL = 30pF, VIH = VCC, VIL = 0V 2.2 6. Number of outputs defined as “n”. Measured with “n–1” outputs switching from HIGH–to–LOW or LOW–to–HIGH. The remaining output is measured in the LOW state. 7. Number of outputs defined as “n”. Measured with “n–1” outputs switching from HIGH–to–LOW or LOW–to–HIGH. The remaining output is measured in the HIGH state. CAPACITIVE CHARACTERISTICS Symbol Parameter Condition Typical Unit CIN Input Capacitance Note 8. 6 pF COUT Output Capacitance Note 8. 7 pF CPD Power Dissipation Capacitance Note 8., 10MHz 20 pF 8. VCC = 1.8, 2.5 or 3.3V; VI = 0V or VCC. VIH Dn Vm Vm 0V tPLH tPHL VOH On Vm Vm VOL WAVEFORM 1 – PROPAGATION DELAYS tR = tF = 2.0ns, 10% to 90%; f = 1MHz; tW = 500ns Figure 3. AC Waveforms MOTOROLA 6 LCX DATA BR1339 — REV 2 MC74VCX16373 VIH Vm OEn VIH Dn Vm Vm Vm 0V tPZH 0V ts tPHZ VIH VOH Vy LEn Vm On th tw Vm Vm ≈ 0V 0V tPLH, tPHL tPZL tPLZ ≈ VCC VOH On Vm Vm On VOL Vx VOL WAVEFORM 3 – LE to On PROPAGATION DELAYS, LE MINIMUM PULSE WIDTH, Dn to LE SETUP AND HOLD TIMES tR = tF = 2.0ns, 10% to 90%; f = 1MHz; tW = 500ns except when noted WAVEFORM 2 – OUTPUT ENABLE AND DISABLE TIMES tR = tF = 2.0ns, 10% to 90%; f = 1MHz; tW = 500ns Figure 4. AC Waveforms VCC S b l Symbol 3.3V ±0.3V 2.5V ±0.2V 1.8V VIH 2.7V VCC VCC Vm 1.5V VCC/2 VCC/2 Vx VOL + 0.3V VOL + 0.15V VOL + 0.15V Vy VOH – 0.3V VOH – 0.15V VOH – 0.15V VCC PULSE GENERATOR RL DUT CL RT TEST 6V or VCC × 2 OPEN GND RL SWITCH tPLH, tPHL Open tPZL, tPLZ 6V at VCC = 3.3 ±0.3V; VCC × 2 at VCC = 2.5 ±0.2V; 1.8V tPZH, tPHZ GND CL = 30pF or equivalent (Includes jig and probe capacitance) RL = 500Ω or equivalent RT = ZOUT of pulse generator (typically 50Ω) Figure 5. Test Circuit LCX DATA BR1339 — REV 2 7 MOTOROLA MC74VCX16373 OUTLINE DIMENSIONS DT SUFFIX PLASTIC TSSOP PACKAGE CASE 1201–01 ISSUE A 48X K K1 K REF 0.12 (0.005) M T U S V ÉÉÉ ÇÇÇ ÇÇÇ ÉÉÉ S T U S J J1 48 25 SECTION N–N M 0.254 (0.010) NOTES: 1. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982. 2. CONTROLLING DIMENSION: MILLIMETER. 3. DIMENSIONS A AND B DO NOT INCLUDE MOLD FLASH, PROTRUSIONS OR GATE BURRS. MOLD FLASH OR GATE BURRS SHALL NOT EXCEED 0.15 (0.006) PER SIDE. 4. DIMENSION K DOES NOT INCLUDE DAMBAR PROTRUSION. ALLOWABLE DAMBAR PROTRUSION SHALL BE 0.08 (0.003) TOTAL IN EXCESS OF THE K DIMENSION AT MAXIMUM MATERIAL CONDITION. 5. TERMINAL NUMBERS ARE SHOWN FOR REFERENCE ONLY. 6. DIMENSIONS A AND B ARE TO BE DETERMINED AT DATUM PLANE –W–. B –U– L N 1 24 A –V– PIN 1 IDENT. N F DETAIL E D C M 0.25 (0.010) –W– 0.076 (0.003) –T– SEATING DETAIL E PLANE G DIM A B C D F G H J J1 K K1 L M MILLIMETERS MIN MAX 12.40 12.60 6.00 6.20 ––– 1.10 0.05 0.15 0.50 0.75 0.50 BSC 0.37 ––– 0.09 0.20 0.09 0.16 0.17 0.27 0.17 0.23 7.95 8.25 0_ 8_ INCHES MIN MAX 0.488 0.496 0.236 0.244 ––– 0.043 0.002 0.006 0.020 0.030 0.0197 BSC 0.015 ––– 0.004 0.008 0.004 0.006 0.007 0.011 0.007 0.009 0.313 0.325 0_ 8_ H Motorola reserves the right to make changes without further notice to any products herein. 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