tc74vcxr162600ft TOSHIBA Semiconductor CORPORATION, tc74vcxr162600ft Datasheet

tc74vcxr162600ft

Manufacturer Part Number

tc74vcxr162600ft

Description

Low-voltage 18-bit Universal Bus Transceiver With 3.6-v Tolerant Inputs And Outputs

Manufacturer

TOSHIBA Semiconductor CORPORATION

Datasheet

1.TC74VCXR162600FT.pdf (14 pages)

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Low-Voltage 18-Bit Universal Bus Transceiver with 3.6-V Tolerant Inputs and Outputs

universal bus transceiver. Designed for use in 1.8-V, 2.5-V or

3.3-V systems, it achieves high-speed operation while

maintaining the CMOS low power dissipation.

up to 3.6 V.

(OEAB and OEBA), latch-enable (LEAB and LEBA), and clock

(CKAB and CKBA) inputs. The clock can be controlled by the

clock-enable (CKENAB and CKENBA) inputs.

mode when LEAB is high. When LEAB is low, the A data is

latched if CKAB is held at a high or low logic level. If LEAB is low, the A-bus data is stored in the latch/flip-flop on

the high-to-low transition of CKAB.

3-state memory address drivers, etc.

Features (Note)

•

The TC74VCXR162600FT is a high-performance CMOS 18-bit

It is also designed with overvoltage tolerant inputs and outputs

Data flow in each direction is controlled by output-enable

For A-to-B data flow, the device operates in the transparent

Data flow for B to A is similar to that of A to B but uses OEBA, LEBA, CKBA, and CKENBA.

When the OE input is high, the outputs are in a high-impedance state. This device is designed to be used with

The 26-Ω series resistor helps reducing output overshoot and undershoot without external resistor.

All inputs are equipped with protection circuits against static discharge.

High-speed operation : t

Output current : I

ESD performance: Machine model ≥ ±200 V

Note:

26-Ω series resistors on outputs

Low-voltage operation: V

Latch-up performance: −300 mA

Package: TSSOP

Bidirectional interface between 2.5 V and 3.3 V signals.

3.6-V tolerant function and power-down protection provided on all inputs and outputs

Do not apply a signal to any bus pins when it is in the output mode. Damage may result.

All floating (high impedance) bus pins must have their input level fixed by means of pull-up or pull-down

resistors.

: I

Human body model ≥ ±2000 V

TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic

TC74VCXR162600FT

: t

= ±12 mA (min) (V

= ±8 mA (min) (V

= ±4 mA (min) (V

= 3.8 ns (max) (V

= 5.1 ns (max) (V

= 9.8 ns (max) (V

= 1.8 to 3.6 V

= 2.3 V)

= 1.8 V)

= 3.0 to 3.6 V)

= 2.3 to 2.7 V)

= 1.8 V)

= 3.0 V)

Weight: 0.25 g (typ.)

TC74VCXR162600FT

2007-10-19

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tc74vcxr162600ft Summary of contents

Page 1

... TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic TC74VCXR162600FT Low-Voltage 18-Bit Universal Bus Transceiver with 3.6-V Tolerant Inputs and Outputs The TC74VCXR162600FT is a high-performance CMOS 18-bit universal bus transceiver. Designed for use in 1.8-V, 2.5-V or 3.3-V systems, it achieves high-speed operation while maintaining the CMOS low power dissipation. ...

Page 2

... CC A16 23 A17 24 GND 25 A18 26 27 OEBA LEBA 28 56 CKENAB 55 CKAB GND GND B10 41 B11 40 B12 39 GND 38 B13 37 B14 36 B15 B16 33 B17 32 GND 31 B18 30 CKBA 29 CKENBA 2 TC74VCXR162600FT 2007-10-19 ...

Page 3

... (Note (Note (Note (Note 1) Outputs A CKBA (Note (Note (Note (Note 1) 3 TC74VCXR162600FT 2007-10-19 ...

Page 4

... System Diagram 1 OEAB 29 CKENBA 30 CKBA 28 LEBA 27 OEBA 56 CKENAB 55 CKAB 2 LEAB 3 A1 TC74VCXR162600FT other channels 2007-10-19 ...

Page 5

... Rating 1 1.2 to 3.6 (Note 2) − 0 3 ± 12 ± ± 4 − opr dt/ 3 TC74VCXR162600FT Unit 0.5 V (Note 3) mA (Note °C Unit V V (Note 3) V (Note 4) (Note 5) (Note 6) mA (Note 7) °C (Note 8) ns/V ...

Page 6

... 3 OUT = OFF IN OUT = GND < < OUT 6 TC74VCXR162600FT Min Max Unit V (V) CC ⎯ 2.7 to 3.6 2.0 V ⎯ 2.7 to 3.6 0 ⎯ 2.7 to 3.6 − 0.2 ⎯ 2.7 2.2 ⎯ 3.0 2.4 ⎯ 3.0 2.2 V ⎯ 2.7 to 3.6 0.2 ⎯ 2.7 0.4 ⎯ 3.0 0.55 ⎯ ...

Page 7

... 3 OUT = OFF IN OUT = GND < < OUT 7 TC74VCXR162600FT Min Max Unit V (V) CC 0.7 × ⎯ 1 0.2 × ⎯ 1 ⎯ 1.8 − 0.2 ⎯ 1.8 1.4 V ⎯ 1.8 0.2 ⎯ 1.8 0.3 ⎯ ...

Page 8

... Figure 1, Figure 3, Figure (L) t Figure 1, Figure 3, Figure 4, Figure Figure 1, Figure 3, Figure 4, Figure osLH t osHL = |t − osHL pHLm pHLn 8 TC74VCXR162600FT = 30 pF 500 Ω) (Note Min Max Unit V (V) CC ⎯ 1.8 100 2.5 ± 0.2 ⎯ MHz 200 3.3 ± 0.3 ⎯ 250 1 ...

Page 9

... 2 OHV 3 (Ta = 25°C) Symbol Test Condition ⎯ ⎯ MHz ･f /18 (per bit TC74VCXR162600FT Typ. Unit V (V) CC (Note) 1.8 0.15 V (Note) 2.5 0.25 (Note) 3.3 0.35 − 0.15 (Note) 1.8 − 0.25 (Note) 2.5 V − 0.35 (Note) 3.3 (Note) 1.8 1.55 (Note) 2.5 2.05 V (Note) 3 ...

Page 10

... M 10 ( pHL pLH Figure pLH pHL w 10 TC74VCXR162600FT Switch , t Open pLH pHL = 3.3 ± 0 × 2.5 ± 0 pLZ pZL 1 GND pZH V IH GND V OH ...

Page 11

... Figure pLH pHL 10 (H) t ( Figure TC74VCXR162600FT V IH GND t ( GND t ( pLH , GND V IH GND t (L) h 2007-10-19 ...

Page 12

... pZH Outputs Outputs disabled enabled , pLZ pHZ pZL pZH V CC 2.5 ± 0.2 V 1 − 0.3 V − 0. TC74VCXR162600FT V IH GND 3 GND 0.15 V − 0.15 V 2007-10-19 ...

Page 13

... Package Dimensions Weight: 0.25 g (typ.) TC74VCXR162600FT 13 2007-10-19 ...

Page 14

... Please contact your sales representative for product-by-product details in this document regarding RoHS compatibility. Please use these products in this document in compliance with all applicable laws and regulations that regulate the inclusion or use of controlled substances. Toshiba assumes no liability for damage or losses occurring as a result of noncompliance with applicable laws and regulations. TC74VCXR162600FT 14 20070701-EN GENERAL 2007-10-19 ...

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