ATA5423_06 ATMEL [ATMEL Corporation], ATA5423_06 Datasheet - Page 95

• Manufacturer Part Number: ATA5423_06
• Description: UHF ASK/FSK Transceiver
• Manufacturer: ATMEL [ATMEL Corporation]

17. Digital Port Characteristics
All parameters refer to GND and are valid for T
V
V
4841C–WIRE–05/06
*) Type means: A = 100% tested, B = 100% correlation tested, C = Characterized on samples, D = Design parameter
Note:
VS2
VS1
17.1
17.2
17.3
17.4
17.5
17.6
17.7
17.8
No.
17
= 4.4V to 6.6 V (2
= V
VS2
1. If a logic high level is applied to this pin, a minimum serial impedance of 100Ω must be ensured for proper operation over full
Parameters
Digital Ports
CS input
Low level input voltage
High level input voltage V
SCK input
Low level input voltage
High level input voltage V
SDI_TMDI input
Low level input voltage
High level input voltage V
TEST1 input
TEST2 input
PWR_ON input
Low level input voltage
High level input
voltage
Tn input
Low level input voltage
High level input
voltage
433_N868 input
Low level input voltage
Input current low
High level input voltage
Input current high
= 3V and T
temperature range.
(1)
(1)
amb
Li b
= 25°C unless otherwise specified.
attery application (6V)) and V
Test Conditions
V
V
V
TEST1 input must
always be directly
connected to GND
TEST2 input must
always be direct
connected to GND
Internal pull
series connection of
40 kΩ ±20% resistor
and diode
Internal pull
series connection of
40 kΩ ±20% resistor
and diode
Internal pull-up resistor
of 50 kΩ ±20%
Internal pull
of 50 kΩ ±20%
VSINT
VSINT
VSINT
VSINT
VSINT
VSINT
= 2.4V to 5.25V
= 2.4V to 5.25V
= 2.4V to 5.25V
= 2.4V to 5.25V
= 2.4V to 5.25V
= 2.4V to 5.25V
amb
-
-
-
down with
down with
up resistor
=
–
40°C to +85 °C, V
VS2
41, 42,
43, 44,
41, 42,
43, 44,
= 4.75V to 5.25V (Base
Pin
35
35
33
33
32
32
20
23
40
40
45
45
6
6
6
6
VS1
Symbol
V
V
V
V
V
V
V
V
V
V
V
V
I
I
= V
Ih
Il
Ih
Ih
Ih
Ih
Ih
Ih
Il
Il
Il
Il
Il
Il
S2
= 2.4V to 3.6V (1
-
× V
× V
station Application (5V)). Typical values at
V
V
V
–
0.8 ×
0.8 ×
0.8 ×
Min.
VSINT
VSINT
VSINT
0.8
0.5V
1.7
0
0
VS2
VS2
Typ.
ATA5423/25/28/29
Li b
attery application (3V)) and
× V
V
V
V
V
V
V
AVCC
0.2 ×
0.2 ×
0.2 ×
Max.
0.25
VSINT
VSINT
VSINT
VSINT
VSINT
VSINT
0.4
0.2
–
0
0
1
5
VS2
Unit
µA
µA
V
V
V
V
V
V
V
V
V
V
V
V
V
V
Type*
A
A
A
A
A
A
A
A
A
A
A
A
A
A
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