User guide
86
ATA5811/ATA5812 [Preliminary]
4689B–RKE–04/04
Digital Port Characteristics
All parameter refer to GND and valid for T
amb
= -40 °C to +105 °C, V
VS1
= V
S2
= 2.4 V to 3.6 V (1 Battery Application) and
V
VS2
= 4.4 V to 6.6 V (2 Battery Application) and V
VS2
= 4.75 V to 5.25 V (Car Application) typical values at
V
VS1
= V
VS2
= 3V and T
amb
= 25°C unless otherwise specified
No. Parameters Test Conditions Pin Symbol Min. Typ. Max. Unit Type*
17 Digital Ports
17.1
CS input
-Low level input voltage
V
VSINT
= 2.4 V to 5.25 V 35 V
Il
0.2
× V
VSINT
V A
-High level input voltage V
VSINT
= 2.4 V to 5.25 V 35 V
Ih
0.8
× V
VSINT
V
VSINT
V A
17.2
SCK input
-Low level input voltage
V
VSINT
= 2.4 V to 5.25 V 33 V
Il
0.2
× V
VSINT
V A
-High level input voltage V
VSINT
= 2.4 V to 5.25 V 33 V
Ih
0.8
× V
VSINT
V
VSINT
V A
17.3
SDI_TMDI input
-Low level input voltage
V
VSINT
= 2.4 V to 5.25 V 32 V
Il
0.2
× V
VSINT
V A
-High level input voltage V
VSINT
= 2.4 V to 5.25 V 32 V
Ih
0.8
× V
VSINT
V
VSINT
V A
17.4 TEST1 input
TEST1 input must
always be directly
connected to GND
20 D
17.5 TEST2 input
TEST2 input must
always be direct
connected to GND
23 D
17.6
PWR_ON input
-Low level input voltage
Internal pull-down with
series connection of
40
kΩ ±20% resistor
and diode
40 V
Il
0.4 V A
-High level input
voltage
(1)
Internal pull-down with
series connection of
40
kΩ ±20% resistor
and diode
40 V
Ih
0.8
× V
VS2
V A
17.7
Tn input
-Low level input voltage
Internal pull-up resistor
of 50 kΩ ±20%
41, 42,
43, 44,
45
V
Il
0.2
× V
VS2
V A
-High level input
voltage
(1)
Internal pull-up resistor
of 50 kΩ ±20%
41, 42,
43, 44,
45
V
Ih
× V
VS2
-
0.5 V
V A
17.8
433_N868 input
-Low level input voltage
6 V
Il
0.25 V A
-Input current low 6 I
Il
-5 µA A
-High level input voltage 6 V
Ih
1.7 AVCC V A
-Input current high 6 I
Ih
1 µA A
*) Type means: A = 100% tested, B = 100% correlation tested, C = Characterized on samples, D = Design parameter
Note: 1. If a logic high level is applied to this pin a minimum serial impedance of 100 Ω must be ensured for proper operation over full
temperature range.