EM250-RTR Ember, EM250-RTR Datasheet - Page 14

• Manufacturer Part Number: EM250-RTR
• Description: IC ZIGBEE SYSTEM-ON-CHIP 48-QFN
• Manufacturer: Ember
• Series: EM250r

Specifications of EM250-RTR

• Frequency: 2.4GHz
• Modulation Or Protocol: 802.15.4 Zigbee
• Applications: Home/Building Automation, Industrial Control and Monitoring
• Power - Output: 3dBm
• Sensitivity: -97dBm
• Voltage - Supply: 2 V ~ 3.6 V
• Current - Receiving: 35.5mA
• Current - Transmitting: 33mA
• Data Interface: PCB, Surface Mount
• Memory Size: 128kB Flash, 5kB SRAM
• Antenna Connector: PCB, Surface Mount
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 48-QFN
• For Use With: 636-1009 - PROGRAMMER USB FLASH EM250/260
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Data Rate - Maximum: -
• Other names: 636-1000-2

EM250
14
120-0082-000I
Table 6 contains the digital I/O specifications for the EM250. The digital I/O power (named VDD_PADS) comes
from three dedicated pins (Pins 17, 23, and 28). The voltage applied to these pins sets the I/O voltage.
Parameter
Voltage supply
Input voltage for logic 0
Input voltage for logic 1
Input current for logic 0
Input current for logic 1
Input pull-up resistor value
Input pull-down resistor value
Output voltage for logic 0
Output voltage for logic 1
Output source current (standard current pad) I
Output sink current (standard current pad)
Output source current
high current pad: GPIO[16:13]
Output sink current
high current pad: GPIO[16:13]
Total output current (for I/O Pads)
Input voltage threshold for OSC32A
Input voltage threshold for OSCA
Output voltage level (TX_ACTIVE)
Output source current (TX_ACTIVE)
Table 6. Digital I/O Specifications
Name
VDD_PADS
V
V
I
I
R
R
V
V
I
I
I
I
IL
IH
OHS
OLS
OHH
OLH
OH
IL
IH
IPU
IPD
OL
OH
+ I
OL
Min.
2.1
0
0.8 x
VDD_PADS
0
0.82 x
VDD_PADS
0.2 x
VDD_PADS
0.2 x
VDD_CORE
0.18 x
VDD_CORE
Typ.
30
30
Max.
3.6
0.2 x VDD_PADS
VDD_PADS
- 0.5
0.5
0.18 x VDD_PADS
VDD_PADS
4
4
8
8
40
0.8 x VDD_PADS
0.8 x VDD_CORE
0.82 x VDD_CORE
1
Unit
V
V
V
µA
µA
kΩ
kΩ
V
V
mA
mA
mA
mA
mA
V
V
V
mA