TC7WP3125FK, TC7WP3125FC

Transcription

1 TOSHIBA Digital Integrated Circuit Silicon Monolithic TC7WP3125FK, TC7WP3125FC Low oltage/low Power 2-Bit Dual Supply Bus Buffer TC7WP3125FK/FC The TC7WP3125 is a dual supply, advanced high-speed CMOS 2-bit dual supply voltage interface bus buffer fabricated with silicon gate CMOS technology. It is also designed with over voltage tolerant inputs and outputs up to 3.6. Designed for use as an interface between a 1.2-, 1.5-, 1.8-, or 2.5- bus and a 1.8-, 2.5- or 3.6- bus in mixed 1.2-, 1.5-, 1.8- or 2.5-/1.8-, 2.5- or 3.6- supply systems. The A-input interfaces with the 1.2-, 1.5-, 1.8- or 2.5- bus, the B-output with the 1.8-, 2.5-, 3.3- bus. The enable input ( OE ) can be used to disable the device so that the signal lines are effectively isolated. All inputs are equipped with protection circuits agait static discharge or traient excess voltage. TC7WP3125FK TC7WP3125FC Features Weight: SSOP8-P-0.50A : 0.01 g (typ.) CSON8-P-0.4 : g (typ.) Level converter for interfacing 1.2- to 1.8-, 1.2- to 2.5-, 1.2- to 3.3-, 1.5- to 2.5-, 1.5- to 3.3-, 1.8- to 2.5-, 1.8- to 3.3- or 2.5 to 3.3- system. High-speed operation : t pd = 6.8 (max) ( CCA = 2.5 ± 0.2, CCB = 3.3 ± 0.3 ) t pd = 7.8 (max) ( CCA = 1.8 ± 0.15, CCB = 3.3 ± 0.3 ) t pd = 8.6 (max) ( CCA = 1.5 ± 0.1, CCB = 3.3 ± 0.3 ) t pd = 22 (max) ( CCA = 1.2 ± 0.1, CCB = 3.3 ± 0.3 ) t pd = 9.5 (max) ( CCA = 1.8 ± 0.15, CCB = 2.5 ± 0.2 ) t pd = 10.8 (max) ( CCA = 1.5 ± 0.15, CCB = 2.5 ± 0.2 ) t pd = 23 (max) ( CCA = 1.2 ± 0.15, CCB = 2.5 ± 0.2 ) t pd = 30 (max) ( CCA = 1.2 ± 0.1, CCB = 1.8 ± 0.15 ) Output current : I OH /I OL = ±12 ma (min) ( CC = 3.0 ) I OH /I OL = ±9 ma (min) ( CC = 2.3 ) I OH /I OL = ±3 ma (min) ( CC = 1.65 ) Latch-up performance: -300 ma ESD performance: Machine model ±200 Human body model ±2000 Ultra-small package: CSON8(CST8), SSOP8(US8) Low current coumption : Using the new circuit significantly reduces current coumption when OE = H. Suitable for battery-driven applicatio such as PDAs and cellular phones tolerant function and power-down protection provided on all inputs and outputs. Note: Do not apply a signal to any bus pi when it is in the output mode. Damage may result. Start of commercial production

2 Pin Assignment (top view) TC7WP3125FK CCB B1 B2 OE P3 125 TC7WP3125FC CCB B1 B2 OE top view Marking CCB B1 B2 OE P CCA A1 A2 GND CCA A1 A2 GND CCA A1 A2 GND Truth Table IEC Logic Symbol Inputs Output OE A1, A2 B1, B2 L L L L H H 2OE A1 A EN 7 6 B1 B2 H X Z X: Don t care Z: High impedance Block Diagram CCA CCB OE A1 A2 Logic level converter B1 B2 2

3 Absolute Maximum Ratings (Note 1) Characteristics Symbol Rating Unit Power supply voltage (Note 2) CCA 0.5 to 4.6 CCB 0.5 to 4.6 DC input voltage (An, OE ) IN 0.5 to 4.6 DC output voltage 0.5 to 4.6 (Note 3) OUTB (Bn) 0.5 to CCB (Note 4) Input diode current I IK 50 ma Output diode current I OK ±50 (Note 5) ma DC output current I OUTB ±25 ma DC CC /ground current per supply pin I CCA ±25 I CCB ±50 ma 200 (SSOP8) Power dissipation P D 150 (CSON8) mw Storage temperature T stg 65 to 150 C Note 1: Exceeding any of the absolute maximum ratings, even briefly, lead to deterioration in IC performance or even destruction. Using continuously under heavy loads (e.g. the application of high temperature/current/voltage and the significant change in temperature, etc.) may cause this product to decrease in the reliability significantly even if the operating conditio (i.e. operating temperature/current/voltage, etc.) are within the absolute maximum ratings and the operating ranges. Please design the appropriate reliability upon reviewing the Toshiba Semiconductor Reliability Handbook ( Handling Precautio / Derating Concept and Methods ) and individual reliability data (i.e. reliability test report and estimated failure rate, etc). Note 2: Don t supply a voltage to CCB pin when CCA is in the OFF state. Note 3: Output in OFF state Note 4: High or Low state. I OUT absolute maximum rating must be observed. Note 5: OUT < GND, OUT > CC Operating Ranges (Note 1) Characteristics Symbol Rating Unit Power supply voltage CCA 1.1 to 2.7 (Note 2) CCB 1.65 to 3.6 Input voltage (An, OE ) IN 0 to 3.6 Output voltage 0 to 3.6 (Note 3) OUTB (Bn) 0 to CCB (Note 4) ±12 (Note 5) Output current I OUTB ±9 (Note 6) (Bn) ma ±3 (Note 7) Operating temperature T opr 40 to 85 C Input rise and fall time dt/dv 0 to 10 (Note 8) / Note 1: The operating ranges must be maintained to eure the normal operation of the device. Unused inputs must be tied to either CC or GND. Note 2: Don t use in CCA > CCB Note 3: Output in OFF state Note 4: High or low state Note 5: CCB = 3.0 to 3.6 Note 6: CCB = 2.3 to 2.7 Note 7: CCB = 1.65 to 1.95 Note 8: IN = 0.8 to 2.0, CCA = 2.5, CCB = 3.0 3

4 Electrical Characteristics DC Characteristics (1.1 CCA 2.7, 1.65 CCB 3.6 ) Characteristics Symbol Test Condition CCA () CCB () H-level input voltage IHA IN Ta = 40~85 C Min Max Unit 1.1 CCA < to CCA 1.4 CCA < to CCA 1.65 CCA < to CCA 2.3 CCA to CCA < to CCA L-level input voltage ILA IN 1.4 CCA < to CCA < to CCA 0.35 CCA 2.3 CCA to H-level output voltage OHB An = IH L-level output voltage OLB An = IL I OHB = 100 μa 1.1 to to 3.6 CCB 0.2 I OHB = 3 ma 1.1 to to I OHB = 9 ma 1.1 to to I OHB = 12 ma 1.1 to to I OLB = 100 μa 1.1 to to I OLB = 3 ma 1.1 to to I OLB = 9 ma 1.1 to to I OLB = 12 ma 1.1 to to state output OFF state current I OZB An = IHA or ILA Bn = 0 to to to 3.6 ±2.0 μa Input leakage current I IN IN = 0 to to to 3.6 ±1.0 μa Power-off leakage current I OFF1 IN, Bn = 0 to I OFF2 OE = CCA 1.1 to μa I OFF3 An, Bn = 0 to to 2.7 OPEN 2.0 Quiescent supply current I CCA IN = CCA or GND 1.1 to to I CCB IN = CCA or GND 1.1 to to I CCA CCA < IN to to 3.6 ±2.0 μa I CCB IN = CCA CCB Bn to to 3.6 ±2.0 4

5 AC Characteristics (Ta = 40 to 85 C, Input: t r = t f = 2.0 ) CCA = 2.5 ± 0.2, CCB = 3.3 ± 0.3 Figure 1, Figure Figure 1, Figure Figure 1, Figure (Note) 0.5 ( = m n, = m n ) CCA = 1.8 ± 0.15, CCB = 3.3 ± 0.3 Figure 1, Figure Figure 1, Figure Figure 1, Figure (Note) 0.5 ( = m n, = m n ) CCA = 1.5 ± 0.1, CCB = 3.3 ± 0.3 Figure 1, Figure Figure 1, Figure Figure 1, Figure (Note) 1.5 ( = m n, = m n ) 5

6 CCA = 1.2 ± 0.1, CCB = 3.3 ± 0.3 Figure 1, Figure Figure 1, Figure Figure 1, Figure (Note) 1.5 ( = m n, = m n ) CCA = 1.8 ± 0.15, CCB = 2.5 ± 0.2 Figure 1, Figure Figure 1, Figure Figure 1, Figure (Note) 0.5 ( = m n, = m n ) CCA = 1.5 ± 0.1, CCB = 2.5 ± 0.2 Figure 1, Figure Figure 1, Figure Figure 1, Figure (Note) 1.5 ( = m n, = m n ) 6

7 CCA = 1.2 ± 0.1, CCB = 2.5 ± 0.2 Figure 1, Figure Figure 1, Figure Figure 1, Figure (Note) 1.5 ( = m n, = m n ) CCA = 1.2 ± 0.1, CCB = 1.8 ± 0.15 Figure 1, Figure Figure 1, Figure Figure 1, Figure (Note) 1.5 ( = m n, = m n ) 7

8 Capacitive Characteristics (Ta = 25 C) Characteristics Symbol Test Circuit CCA () CCB () Typ. Unit Input capacitance C IN An, OE pf Output capacitance C OUT Bn pf Power dissipation capacitance (Note) C PDA C PDB OE = L OE = H OE = L OE = H pf Note: C PD is defined as the value of the internal equivalent capacitance which is calculated from the operating current coumption without load. Average operating current can be obtained by the equation: I CC (opr) = C PD CC f IN + I CC /2 (per bit) AC Test Circuit Switch 6.0 or CCB 2 Open GND Parameter Switch Output RL Measure, Open CCB =3.3±0.3 CL RL, CCB CCB CCB =1.8±0.15, GND Symbol 3.3 ± ± 0.2 CCB (output) 1.8 ± 0.15 R L 500 Ω 1 kω C L 30 pf 30 pf Figure 1 8

9 AC Waveform t r 2.0 t f 2.0 Input (An) 90% IM 10% IH GND Output (Bn) OM OH OL Figure 2, t r 2.0 t f 2.0 Output Enable Control ( OE ) 90% IM 10% IH GND Output (Bn) Low to off to Low X OM 3.0 or CCB OL Output (Bn) High to Off to High Outputs enabled Y Outputs disabled OM Outputs enabled OH GND Figure 3,,, CCA, CCB Symbol 3.3 ± ± ± ± ± 0.1 Input IH - CCA CCA IM - CCA /2 CCA /2 Output OM OH /2 OH /2 - X OL OL Y OH 0.3 OH

10 Package Dimeio weight: 0.01 g (typ.) 10

11 Package Dimeio CSON8-P-0.4 Weight: g (typ.) 11

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