Datasheet

MAX3346E
±15kV ESD-Protected USB Transceiver
in UCSP
6 _______________________________________________________________________________________
RISE- AND FALL-TIME MATCHING
(LOW SPEED)
MAX3346E toc09
D+
100ns/div
0
D-
f = 750kHz
RISE- AND FALL-TIME MATCHING
(FULL SPEED)
MAX3346E toc10
D+
20ns/div
0
D-
f = 6MHz
Typical Operating Characteristics (continued)
(V
CC
= +5V, V
L
= +3.3V, T
A
= +25°C, unless otherwise noted.)
Pin Description
PIN
TSSOP
UCSP
NAME
INPUT/
OUTPUT
FUNCTION
1D2RCV Output
Receiver Output. Single-ended CMOS output. RCV responds to the differential
input on D+ and D- (see Table 3).
2D1VP
Input/
Output
System-Side Data Input/Output. Drive OE high to make VP a receiver output.
Drive OE low to make VP a driver input (see Table 3).
3C2MODE Input
Mode Control Input. Selects single-ended (mode zero) or differential (mode one)
input for the system side when converting logic-level signals to USB-level
signals. If MODE is forced high, mode one is selected. If MODE is forced low,
mode zero is selected (see Table 3).
4C1VM
Input/
Output
System-Side Data Input/Output. Drive OE high to make VM a receiver output.
Drive OE low to make VM a driver input (see Table 3).
5B1OE Input
Output Enable. Drive OE high to enable the receiver. Drive OE low to enable the
driver input.
6A1ENUM Input
Enumerate Input. Drive ENUM low to disconnect the internal 1.5kΩ resistor, and
enumerate the USB. With ENUM high, the internal 1.5kΩ resistor is connected to
either D+ or D-, depending on the state of SPEED.
SUSPEND RESPONSE
MAX3346E toc08
A
0
100ns/div
0
B
A: SUSP, 2V/div
B: RCV, 2V/div