IC USB TXRX ESD PROTECT 14TSSOP

MAX3346EEUD+

Manufacturer Part NumberMAX3346EEUD+
DescriptionIC USB TXRX ESD PROTECT 14TSSOP
ManufacturerMaxim Integrated Products
TypeTransceiver
MAX3346EEUD+ datasheet
 


Specifications of MAX3346EEUD+

Number Of Drivers/receivers1/1ProtocolUSB 2.0
Voltage - Supply4 V ~ 5.5 VMounting TypeSurface Mount
Package / Case14-TSSOPLead Free Status / RoHS StatusLead free / RoHS Compliant
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19-3172; Rev 0; 2/04
±15kV ESD-Protected USB Transceiver
General Description
The MAX3346E bidirectional transceiver converts logic-
level signals to USB signals, and USB signals to logic-
level signals. The MAX3346E includes the 1.5kΩ USB
pullup resistor internally, and supports both full-speed
(12Mbps) and low-speed (1.5Mbps) USB operation.
The device has built-in ±15kV ESD protection circuitry
to guard the USB I/O pins, D+ and D-.
The MAX3346E operates with V
L
1.65V, ensuring compatibility with low-voltage ASICs.
The device features a logic-selectable suspend mode
that lowers current draw to less than 40µA. The
MAX3346E has an enumerate function that allows
devices to logically disconnect while plugged in. The
MAX3346E is fully compliant with USB specification 1.1,
and the full-speed and low-speed operation under USB
specification 2.0.
The MAX3346E is available in the miniature 4 x 4 chip-
scale package (UCSP
), as well as the small 14-pin
TM
TSSOP, and is rated for the -40°C to +85°C extended
temperature range.
Cell Phones
PC Peripherals
Data Cradles
PDAs
MP3 Players
UCSP is trademark of Maxim Integrated Products, Inc.
TOP VIEW
RCV
1
VP
2
MODE
3
VM
4
OE
5
ENUM
6
SUSP
7
________________________________________________________________ Maxim Integrated Products
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
±15kV ESD Protection on D+ and D-
Internal Linear Regulator Allows Direct Powering
from the USB Cable
Internal 1.5kΩ Pullup Resistor for Low/Full-Speed
Operation
Supports Low-Speed and Full-Speed USB
voltages as low as
Communications
Complies with USB Specification Revision 1.1 and
2.0 (Low Speed and Full Speed)
Three-State Outputs
Enumerate Input—Allows USB Connection
through Software
No Power-Supply Sequencing Required
Operates with V
Compatibility with Low-Voltage ASICs
Available in Miniature Chip-Scale Package
Applications
PART
MAX3346EEUD
MAX3346EEBE-T
BOTTOM VIEW
14
V
L
13
VTRM
D
12
D+
C
MAX3346E
11
D-
B
10
GND
9
V
CC
A
8
SPEED
TSSOP
in UCSP
Features
of 1.65V to 3.6V, Ensuring
L
Ordering Information
TEMP RANGE
PIN-PACKAGE
-40°C to +85°C
14 TSSOP
-40°C to +85°C
4 x 4 UCSP
Pin Configurations
1
2
3
4
MAX3346E
VP
RCV
V
VTRM
L
VM
D+
MODE
OE
SUSP
D-
ENUM
SPEED
V
GND
CC
UCSP
1

MAX3346EEUD+ Summary of contents

  • Page 1

    ... The MAX3346E is available in the miniature chip- scale package (UCSP ), as well as the small 14-pin TM TSSOP, and is rated for the -40°C to +85°C extended temperature range. Cell Phones PC Peripherals Data Cradles PDAs MP3 Players UCSP is trademark of Maxim Integrated Products, Inc. TOP VIEW RCV MODE ...

  • Page 2

    ESD-Protected USB Transceiver in UCSP ABSOLUTE MAXIMUM RATINGS (All voltages referenced to GND, unless otherwise noted.) Supply Voltage (V ) ...............................................-0.3V to +6V CC Output of Internal Regulator (VTRM) ..........-0. Input Voltage (D+, D-) ..............................................-0.3V to +6V ...

  • Page 3

    ESD-Protected USB Transceiver ELECTRICAL CHARACTERISTICS (continued +4V to +5.5V, GND = 0, VTRM = +3.0V to +3.6V values are +5V +2.5V PARAMETER SYMBOL ESD PROTECTION (D+, D-) ...

  • Page 4

    ESD-Protected USB Transceiver in UCSP TIMING CHARACTERISTICS (continued +4V to +5.5V, GND = 0, VTRM = +3.0V to 3.6V values are +5V +2.5V PARAMETER SYMBOL t ...

  • Page 5

    ESD-Protected USB Transceiver (V = +5V, V =+3.3V +25°C, unless otherwise noted SINGLE-ENDED RECEIVER PROPAGATION DELAY vs +85° +25° ...

  • Page 6

    ESD-Protected USB Transceiver in UCSP (V = +5V +3.3V +25°C, unless otherwise noted SUSPEND RESPONSE MAX3346E toc08 100ns/div A: SUSP, 2V/div B: RCV, 2V/div PIN NAME OUTPUT TSSOP ...

  • Page 7

    ESD-Protected USB Transceiver PIN NAME TSSOP UCSP 7 B2 SUSP 8 A2 SPEED GND VTRM — B3, C3 — Detailed Description ...

  • Page 8

    ESD-Protected USB Transceiver in UCSP Applications Information Power-Supply Configurations Normal Operating Mode Connect V and V to system power supplies (Table L CC 1). Connect +1.65V to +3.6V supply. Connect +4.0V to ...

  • Page 9

    ESD-Protected USB Transceiver PVZ V - 0.3V OH VP/ 0.3V OL Figure 1a. Enable and Disable Timing, Receiver PZD D+/D- Figure ...

  • Page 10

    ESD-Protected USB Transceiver in UCSP MAX3346E 25pF (a) LOAD FOR ENABLE AND DISABLE TIME, VP/VM. MAX3346E 3.3V 23.7Ω 1.5kΩ (c) LOAD FOR D+/D-. Figure 4. Test Circuits D+ D- RCV VP VM D+/D- ...

  • Page 11

    ESD-Protected USB Transceiver Table 3a. Truth Table, Transmit (MODE = (TRANSMIT) INPUT *RCV denotes the signal level on output RCV just before SE0 state occurs. ...

  • Page 12

    ESD-Protected USB Transceiver in UCSP External Components Two external resistors are required for USB connection, each of them from 23.7Ω ±1% to 27.4Ω ±1%, 1/2W (or greater). Place one resistor in series between D+ of the MAX3346E and D+ ...

  • Page 13

    ESD-Protected USB Transceiver The IEC 1000-4-2 standard covers ESD testing and performance of finished equipment; it does not specifi- cally refer to integrated circuits. The MAX3346E helps to design equipment that meets Level 2 of IEC 1000-4- 2, without ...

  • Page 14

    ESD-Protected USB Transceiver in UCSP SYSTEM POWER 0.1µF CERAMIC V L ASIC VP VM RCV ENUM OE SUSP SPEED MODE VTRM 1.0µF CERAMIC 14 ______________________________________________________________________________________ 1.0µF CERAMIC V CC 23.7Ω ±1% D+ MAX3346E 23.7Ω ±1% D- GND Typical Operating ...

  • Page 15

    ESD-Protected USB Transceiver MAX3346E V L SPEED OE ENUM MODE LEVEL SHIFTER SUSP AND CONTROL LOGIC RCV VP VM GND ______________________________________________________________________________________ Functional Diagram V CC LINEAR VTRM REGULATOR INTERNAL 1.5kΩ POWER D+ D- Chip Information TRANSISTOR COUNT: 2162 PROCESS: ...

  • Page 16

    ESD-Protected USB Transceiver in UCSP (The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information www.maxim-ic.com/packages.) 16 ______________________________________________________________________________________ Package Information ...

  • Page 17

    ... Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 ____________________ 17 © 2004 Maxim Integrated Products ...