User's Manual

MaxStream, Inc. 24XStream Wireless Module Manual v2.8
28
Electrical Characteristics
DC Characteristics
Vcc=4.75V to 5.25V
Symbol Parameter Condition Min Typical Max Units
V
IL
Input Low
Voltage
All input signals -0.5 0.3*Vcc V
V
IH
Input High
Voltage
________
(Except RESET)
0.6*Vcc Vcc+0.5 V
V
IH2
Input High
Voltage
________
(RESET)
0.9*Vcc Vcc+0.5 V
V
OL
Output Low
Voltage
I
OL
=20mA Vcc=5V 0.6 V
V
OH
Output High
Voltage
I
OH
=-3mA Vcc=5V 4.2 V
I
IL
Input Leakage
Current I/O Pin
Vcc=5V, pin low
(abs. value)
(Except *CTS, DO,
*RESET, *CONFIG)
8.0 uA
I
IH
Input Leakage
Current I/O Pin
Vcc=5V, pin high
(abs. value)
(Except RTS/CMD)
980 nA
I
IL2
____ ________
CTS, DO, RESET
(Vcc-V
I
)/10 mA
I
IL3
_________
CONFIG
(Vcc-V
I
)/47 mA
I
IH2
RTS/CMD V
I
/10
mA
AC Characteristics
Pin Timings
Symbol Description X24-019 X24-009
T
R1
Latency from the time data is transmitted
until received.
54 ms 73.6 ms
T
R2
Same as T
R1
(SY=20) 26.6 ms 44.8 ms
T
TL1
Time from when data packet is first
transmitted until TX/PWR pulses low.
46.4 ms 55.6 ms
T
TL2
Time that TX/PWR pin is driven low (when
red LED flashes).
8.4 ms 16.8 ms
T
RL1
Time from when data packet is first
transmitted until RXLED pin goes high on
receiver.
40.6 ms 44.8 ms
T
RL2
Time that RXLED pin is driven low (when
yellow LED flashes).
14 ms 29.6 ms