AT83EC5123 ATMEL Corporation, AT83EC5123 Datasheet - Page 165

• Manufacturer Part Number: AT83EC5123
• Description: (AT8xx512x) Smart Card Reader ICs
• Manufacturer: ATMEL Corporation

Note:
Note:
Table 124. Card Presence DC Parameters (P1.2)
4202B–SCR–07/03
Table 123. Smart Card RST, CC4, CC8, DC Parameters (Port P1.5, P1.3, P1.1)
Table 122. Smart Card I/O DC Parameters (P1.0) (Continued)
Symbol
Symbol
Symbol
I
V
t
V
V
V
t
I
I
OL1
R
V
I
I
OH
R
OL
I
OH
OH
OL
OL
IH
OL
OH
t
IH
t
F
F
1. The voltage on RST should remain between -0.3V and
1. The voltage on RST should remain between -0.3V and
Parameter
CPRES weak pull-up output current
Parameter
Output Low Voltage
Output Low Current
Output High Voltage
Output High Current
Rise and Fall delays
Voltage Stability
Parameter
Input High Voltage
Input High Current
Output Low Voltage
Output Low Current
Output High Voltage
Output High Current
Voltage Stability
Rise and Fall delays
CV
0.7 CV
0.8 CV
0.7 CV
0.8 CV
0.8 x V
CV
-0.25
-0.25
Min
Min
CC
0
0
0
CC
Min
(1)
(1)
(1)
3
- 0.5
-0.5
CC
CC
CC
CC
CC
V
V
CC
CC
+0.3V during dynamic operation.
+0.3V during dynamic operation.
Typ
Typ
Typ
10
CV
CV
0.4 x CV
0.12 x V
-20 / +20
CV
CV
CC
CV
CC
Max
Max
CV
Max
0.4
0.4
0.3
0.4
0.8
15
CC
15
0.4
0.8
15
15
CC
25
+ 0.25
+ 0.25
CC
CC
(1)
(1)
CC
CC
Unit
Unit
Unit
mA
mA
mA
mA
V
V
V
V
AT8xC5122/23
V
V
A
s
s
A
Test Conditions
I
I
I
I
I
I
Low level
High level
C
Test Conditions
I
I
I
I
C
Low level
High level
IH
OL
OL
OL
OH
OH
Test Conditions
P1.2=1, short to VSS
Pull-up enabled
OL
OL
OH
OH
IN
IN
= -20 A
=30pF
= 50
= 1mA (5V)
= 1mA (3V)
= 1mA (1.8V)
= 20 A (5V)
= 20 A (3V, 1.8V)
=30 pF
= 20
= 50
= 20
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