Digital port characteristics – Rainbow Electronics ATA5746 User Manual
Page 39
39
4596A–RKE–05/06
ATA5745/ATA5746 [Preliminary]
17. Digital Port Characteristics
All parameters refer to GND and are valid for T
amb
= –40°C to +105°C, V
VS3V_AVCC
= V
VS5V
= 2.7V to 3.3V, and V
VS5V
= 4.5V to 5.5V.
Typical values are given at V
VS3V_AVCC
= V
VS5V
= 3V, T
amb
= 25°C, and f
RF
= 433.92 MHz unless otherwise specified. Details about current
consumption, timing, and digital pin properties can be found in the specific sections of the “Electrical Characteristics”
No.
Parameters
Test Conditions
Pin
Symbol
Min.
Typ.
Max.
Unit
Type*
11
Digital Ports
11.1
ENABLE input
- Low level input
voltage
V
S
= V
VS3V_AVCC
=
V
VS5V
= 2.7V to 3.3V
V
S
= V
VS5V
=
4.5V to 5.5V
6
V
Il
0.2
× V
S
0.12
×
V
S
V
A
- High level input
voltage
V
S
= V
VS3V_AVCC
=
V
VS5V
= 2.7V to 3.3V
V
S
= V
VS5V
= 4.5V to
5.5V
6
V
Ih
0.8
× V
S
V
A
11.2
RX input
- Low level input
voltage
V
S
= V
VS3V_AVCC
=
V
VS5V
= 2.7V to 3.3V
V
S
= V
VS5V
=
4.5V to 5.5V
19
V
Il
0.2
× V
S
0.12
×
V
S
V
A
- High level input
voltage
V
S
= V
VS3V_AVCC
=
V
VS5V
= 2.7V to 3.3V
V
S
= V
VS5V
=
4.5V to 5.5V
19
V
Ih
0.8
× V
S
V
A
11.3
BR0 input
- Low level input
voltage
V
S
= V
VS3V_AVCC
=
V
VS5V
= 2.7V to 3.3V
V
S
= V
VS5V
=
4.5V to 5.5V
20
V
Il
0.2
× V
S
0.12
×
V
S
V
A
- High level input
voltage
V
S
= V
VS3V_AVCC
=
V
VS5V
= 2.7V to 3.3V
V
S
= V
VS5V
=
4.5V to 5.5V
20
V
Ih
0.8
× V
S
V
A
11.4
BR1 input
- Low level input
voltage
V
S
= V
VS3V_AVCC
=
V
VS5V
= 2.7V to 3.3V
V
S
= V
VS5V
=
4.5V to 5.5V
21
V
Il
0.2
× V
S
0.12
×
V
S
V
A
- High level input
voltage
V
S
= V
VS3V_AVCC
=
V
VS5V
= 2.7V to 3.3V
V
S
= V
VS5V
=
4.5V to 5.5V
21
V
Ih
0.8
× V
S
V
A
11.5
ASK_NFSK input
- Low level input
voltage
V
S
= V
VS3V_AVCC
=
V
VS5V
= 2.7V to 3.3V
V
S
= V
VS5V
=
4.5V to 5.5V
22
V
Il
0.2
× V
S
0.12
×
V
S
V
A
- High level input
voltage
V
S
= V
VS3V_AVCC
=
V
VS5V
= 2.7V to 3.3V
V
S
= V
VS5V
=
4.5V to 5.5V
22
V
Ih
0.8
× V
S
V
A
*) Type means: A = 100% tested, B = 100% correlation tested, C = Characterized on samples, D = Design parameter