Zywyn Corporation

ZT230E

Specifications subject to change without notice

Zywyn

4

August 2004

rev. 02

Electrical Characteristics

Unless otherwise stated, V

CC = +5.0V, TA = Tmin to Tmax, C1 to C4 = 0.1µF, typical values apply at VCC = +5.0V and TA = 25°C.

Parameter

Condition

Min

Typ

Max

Units

Timing Characteristics

Maximum Data Rate

R

L = 3kΩ, CL = 1000pF, TA = 25°C

250

kbps

One Transmitter Switching, Refers to Figure 1 and 2.

Transition-Region Slew Rate

R

L = 3~7kΩ, CL = 150pF to 1000pF, One Transmitter Switching,

6

30

V/µs

T

A = 25°C, Measured from +3V to –3V or –3V to +3V

Transmitter Propagation t

PLH

All transmitters loaded with R

L = 3kΩ, CL = 1000pF

1.5

µs

Transmitter Propagation t

PHL

All transmitters loaded with R

L = 3kΩ, CL = 1000pF

1.5

µs

TransmitterOutputEnableTime

0.4

µs

TransmitterOutputDisableTime

0.25

µs

Receiver Propagation t

PLH

C

L = 150pF

0.15

µs

Receiver Propagation t

PHL

C

L = 150pF

0.15

µs

Receiver Skew

t

PHL – tPLH

50

n s

Receiver Output Enable Time

0.2

µs

Receiver Output Disable Time

0.2

µs

ESD Tolerance

RS-232 I/Os

ESD HBM

±15

kV

TTL/CMOS I/Os

ESD HBM

±2

kV

Table 1. Wake-Up Truth Table for ZT213E

SD

EN

00

11

Up

Enable

01

10

Up

Tri-State

10

01

Down

Enable

11

00

Down

Tri-State

Receiver

Outputs

SD

EN

ZT213E Only

Power

Up/Down