Datasheet

ManualsBrandsTEXAS INSTRUMENTS ManualsLogic ICsLogic IC - Transducer Converter, Bidirectional, Three-state TSSOP 24

www.ti.com

FEATURES

DGV OR PW PACKAGE

(TOP VIEW)

CCA

DIR

GND

CCB

GND

RHL PACKAGE

(TOP VIEW)

1 24

12 13

CCB

DIR

GND

CCB

CCA

DESCRIPTION/ORDERING INFORMATION

SN74AVCH8T245

8-BIT DUAL-SUPPLY BUS TRANSCEIVER

WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUTPUTS

SCES565G – APRIL 2004 – REVISED MARCH 2007

• Control Inputs V

Levels Are Referenced • Max Data Rates:

to V

CCA

Voltage

– 320 Mbps (V

CCA

≥ 1.8 V and V

CCB

≥ 1.8 V)

• V

Isolation Feature – If Either V

Input Is at

– 170 Mbps (V

CCA

≤ 1.8 V or V

CCB

≤ 1.8 V)

GND, All I/O Ports Are in the High-Impedance

• Bus Hold on Data Inputs Eliminates the Need

State

for External Pullup/Pulldown Resistors

• I

off

Supports Partial-Power-Down Mode

• Latch-Up Performance Exceeds 100 mA Per

Operation

JESD 78, Class II

• Fully Configurable Dual-Rail Design Allows

• ESD Protection Exceeds JESD 22

Each Port to Operate Over the Full 1.2-V to

– 8000-V Human-Body Model (A114-A)

3.6-V Power-Supply Range

– 200-V Machine Model (A115-A)

• I/Os Are 4.6-V Tolerant

– 1000-V Charged-Device Model (C101)

This 8-bit noninverting bus transceiver uses two separate configurable power-supply rails. The

SN74AVCH8T245 is optimized to operate with V

CCA

CCB

set at 1.4 V to 3.6 V. It is operational with V

CCA

CCB

as low as 1.2 V. The A port is designed to track V

CCA

. V

CCA

accepts any supply voltage from 1.2 V to 3.6 V. The

B port is designed to track V

CCB

. V

CCB

accepts any supply voltage from 1.2 V to 3.6 V. This allows for universal

low-voltage bidirectional translation between any of the 1.2-V, 1.5-V, 1.8-V, 2.5-V, and 3.3-V voltage nodes.

ORDERING INFORMATION

PACKAGE

(1)

ORDERABLE PART NUMBER TOP-SIDE MARKING

QFN – RHL Reel of 1000 SN74AVCH8T245RHLR WP245

Tube of 60 SN74AVCH8T245PW

–40 ° C to 85 ° C TSSOP – PW WP245

Reel of 2000 SN74AVCH8T245PWR

TVSOP – DGV Reel of 2000 SN74AVCH8T245DGVR WP245

(1) Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are available at

www.ti.com/sc/package.

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas

Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.

Summary of content (23 pages)

PAGE 1
SN74AVCH8T245 8-BIT DUAL-SUPPLY BUS TRANSCEIVER WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUTPUTS www.ti.com SCES565G – APRIL 2004 – REVISED MARCH 2007 FEATURES • • • DGV OR PW PACKAGE (TOP VIEW) VCCA DIR A1 A2 A3 A4 A5 A6 A7 A8 GND GND 1 24 2 23 3 22 4 21 5 20 6 19 7 18 8 17 9 16 10 15 11 14 12 13 RHL PACKAGE (TOP VIEW) VCCB VCCB OE B1 B2 B3 B4 B5 B6 B7 B8 GND DIR A1 A2 A3 A4 A5 A6 A7 A8 GND VCCB • • Max Data Rates: – 320 Mbps (VCCA ≥ 1.8 V and VCCB ≥ 1.
PAGE 2
SN74AVCH8T245 8-BIT DUAL-SUPPLY BUS TRANSCEIVER WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUTPUTS www.ti.com SCES565G – APRIL 2004 – REVISED MARCH 2007 DESCRIPTION/ORDERING INFORMATION (CONTINUED) The SN74AVCH8T245 is designed for asynchronous communication between data buses. The device transmits data from the A bus to the B bus or from the B bus to the A bus, depending on the logic level at the direction-control (DIR) input.
PAGE 3
SN74AVCH8T245 8-BIT DUAL-SUPPLY BUS TRANSCEIVER WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUTPUTS www.ti.com SCES565G – APRIL 2004 – REVISED MARCH 2007 Absolute Maximum Ratings (1) over operating free-air temperature range (unless otherwise noted) VCCA VCCB VI MIN MAX –0.5 4.6 I/O ports (A port) –0.5 4.6 I/O ports (B port) –0.5 4.6 Control inputs –0.5 4.6 A port –0.5 4.6 B port –0.5 4.6 A port –0.5 VCCA + 0.5 B port –0.5 VCCB + 0.
PAGE 4
SN74AVCH8T245 8-BIT DUAL-SUPPLY BUS TRANSCEIVER WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUTPUTS www.ti.com SCES565G – APRIL 2004 – REVISED MARCH 2007 Recommended Operating Conditions (1) (2) (3) VCCI MIN MAX UNIT VCCA Supply voltage 1.2 3.6 V VCCB Supply voltage 1.2 3.
PAGE 5
SN74AVCH8T245 8-BIT DUAL-SUPPLY BUS TRANSCEIVER WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUTPUTS www.ti.com SCES565G – APRIL 2004 – REVISED MARCH 2007 Electrical Characteristics (1) (2) over recommended operating free-air temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS 1.2 V to 3.6 V 1.2 V to 3.6 V IOH = –3 mA 1.2 V 1.2 V IOH = –6 mA 1.4 V 1.4 V 1.05 1.65 V 1.65 V 1.2 IOH = –9 mA 2.3 V 2.3 V 1.75 IOH = –12 mA 3V 3V 2.3 IOL = 100 µA 1.2 V to 3.6 V 1.
PAGE 6
SN74AVCH8T245 8-BIT DUAL-SUPPLY BUS TRANSCEIVER WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUTPUTS www.ti.com SCES565G – APRIL 2004 – REVISED MARCH 2007 Electrical Characteristics (continued) (1) (2) over recommended operating free-air temperature range (unless otherwise noted) PARAMETER A port Ioff B port A or B port IOZ (3) B port A port ICCA TEST CONDITIONS VI or VO = 0 to 3.6 V ICCB ICCA + ICCB 0V 0 V to 3.6 V ±0.1 ±1 ±5 0 V to 3.6 V 0V ±0.1 ±1 ±5 3.6 V 3.6 V ±0.5 ±2.
PAGE 7
SN74AVCH8T245 8-BIT DUAL-SUPPLY BUS TRANSCEIVER WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUTPUTS www.ti.com SCES565G – APRIL 2004 – REVISED MARCH 2007 Switching Characteristics over recommended operating free-air temperature range, VCCA = 1.5 V ± 0.1 V (see Figure 10) PARAMETER tPLH tPHL tPLH tPHL tPZH tPZL tPZH tPZL tPHZ tPLZ tPHZ tPLZ FROM (INPUT) TO (OUTPUT) A B B A OE A OE B OE A OE B VCCB = 1.2 V VCCB = 1.5 V ± 0.1 V VCCB = 1.8 V ± 0.15 V VCCB = 2.5 V ± 0.2 V VCCB = 3.
PAGE 8
SN74AVCH8T245 8-BIT DUAL-SUPPLY BUS TRANSCEIVER WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUTPUTS www.ti.com SCES565G – APRIL 2004 – REVISED MARCH 2007 Switching Characteristics over recommended operating free-air temperature range, VCCA = 2.5 V ± 0.2 V (see Figure 10) PARAMETER tPLH tPHL tPLH tPHL tPZH tPZL tPZH tPZL tPHZ tPLZ tPHZ tPLZ FROM (INPUT) TO (OUTPUT) A B B A OE A OE B OE A OE B VCCB = 1.2 V VCCB = 1.5 V ± 0.1 V VCCB = 1.8 V ± 0.15 V VCCB = 2.5 V ± 0.2 V VCCB = 3.
PAGE 9
SN74AVCH8T245 8-BIT DUAL-SUPPLY BUS TRANSCEIVER WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUTPUTS www.ti.com SCES565G – APRIL 2004 – REVISED MARCH 2007 Operating Characteristics TA = 25°C VCCA = VCCB = 1.2 V VCCA = VCCB = 1.5 V VCCA = VCCB = 1.8 V VCCA = VCCB = 2.5 V VCCA = VCCB = 3.
PAGE 10
SN74AVCH8T245 8-BIT DUAL-SUPPLY BUS TRANSCEIVER WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUTPUTS www.ti.com SCES565G – APRIL 2004 – REVISED MARCH 2007 TYPICAL CHARACTERISTICS Typical Propagation Delay (A to B) vs Load Capacitance TA = 25°C, VCCA = 1.2 V 6 5 tPD − ns 4 3 2 VCCB = 1.2 V VCCB = 1.5 V VCCB = 1.8 V 1 VCCB = 2.5 V VCCB = 3.3 V 0 0 10 20 30 40 50 60 CL − pF Figure 1.
PAGE 11
SN74AVCH8T245 8-BIT DUAL-SUPPLY BUS TRANSCEIVER WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUTPUTS www.ti.com SCES565G – APRIL 2004 – REVISED MARCH 2007 TYPICAL CHARACTERISTICS (continued) Typical Propagation Delay (A to B) vs Load Capacitance TA = 25°C, VCCA = 1.8 V 6 6 5 VCCB = 1.2 V VCCB = 1.5 V VCCB = 1.5 V 5 VCCB = 1.8 V VCCB = 2.5 V VCCB = 3.3 V VCCB = 1.8 V VCCB = 2.5 V VCCB = 3.3 V 4 tPHL − ns 4 tPLH − ns VCCB = 1.
PAGE 12
SN74AVCH8T245 8-BIT DUAL-SUPPLY BUS TRANSCEIVER WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUTPUTS www.ti.com SCES565G – APRIL 2004 – REVISED MARCH 2007 TYPICAL CHARACTERISTICS (continued) Typical Propagation Delay (A to B) vs Load Capacitance TA = 25°C, VCCA = 3.3 V 6 6 5 VCCB = 1.2 V VCCB = 1.2 V VCCB = 1.5 V VCCB = 1.5 V 5 VCCB = 1.8 V VCCB = 1.8 V VCCB = 2.5 V VCCB = 2.5 V VCCB = 3.3 V 3 3 2 2 1 1 0 0 0 12 VCCB = 3.
PAGE 13
SN74AVCH8T245 8-BIT DUAL-SUPPLY BUS TRANSCEIVER WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUTPUTS www.ti.com SCES565G – APRIL 2004 – REVISED MARCH 2007 PARAMETER MEASUREMENT INFORMATION 2 × VCCO S1 RL From Output Under Test Open GND CL (see Note A) TEST S1 tpd tPLZ/tPZL tPHZ/tPZH Open 2 × VCCO GND RL tw LOAD CIRCUIT VCCI VCCI/2 Input VCCO 1.2 V 1.5 V ± 0.1 V 1.8 V ± 0.15 V 2.5 V ± 0.2 V 3.3 V ± 0.3 V CL RL VTP 15 pF 15 pF 15 pF 15 pF 15 pF 2 kΩ 2 kΩ 2 kΩ 2 kΩ 2 kΩ 0.1 V 0.
PAGE 14
PACKAGE OPTION ADDENDUM www.ti.
PAGE 15
PACKAGE OPTION ADDENDUM www.ti.com 27-Jul-2013 Pb-Free (RoHS Exempt): This component has a RoHS exemption for either 1) lead-based flip-chip solder bumps used between the die and package, or 2) lead-based die adhesive used between the die and leadframe. The component is otherwise considered Pb-Free (RoHS compatible) as defined above. Green (RoHS & no Sb/Br): TI defines "Green" to mean Pb-Free (RoHS compatible), and free of Bromine (Br) and Antimony (Sb) based flame retardants (Br or Sb do not exceed 0.
PAGE 16
PACKAGE MATERIALS INFORMATION www.ti.com 27-Jul-2013 TAPE AND REEL INFORMATION *All dimensions are nominal Device Package Package Pins Type Drawing SN74AVCH8T245DGVR TVSOP SN74AVCH8T245PWR SN74AVCH8T245RHLR SPQ Reel Reel A0 Diameter Width (mm) (mm) W1 (mm) B0 (mm) K0 (mm) P1 (mm) W Pin1 (mm) Quadrant DGV 24 2000 330.0 12.4 6.9 5.6 1.6 8.0 12.0 Q1 TSSOP PW 24 2000 330.0 16.4 6.95 8.3 1.6 8.0 16.0 Q1 VQFN RHL 24 1000 180.0 12.4 3.8 5.8 1.2 8.0 12.
PAGE 17
PACKAGE MATERIALS INFORMATION www.ti.com 27-Jul-2013 *All dimensions are nominal Device Package Type Package Drawing Pins SPQ Length (mm) Width (mm) Height (mm) SN74AVCH8T245DGVR TVSOP DGV 24 2000 367.0 367.0 35.0 SN74AVCH8T245PWR TSSOP PW 24 2000 367.0 367.0 38.0 SN74AVCH8T245RHLR VQFN RHL 24 1000 210.0 185.0 35.
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IMPORTANT NOTICE Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, enhancements, improvements and other changes to its semiconductor products and services per JESD46, latest issue, and to discontinue any product or service per JESD48, latest issue. Buyers should obtain the latest relevant information before placing orders and should verify that such information is current and complete.