AT89C5122 ATMEL [ATMEL Corporation], AT89C5122 Datasheet - Page 191

• Manufacturer Part Number: AT89C5122
• Description: MICROCONTROLLER WITH USB AND SMART CARD READER INTERFACES
• Manufacturer: ATMEL [ATMEL Corporation]

Smart Card CIO, DC Parameters
Note:
Smart Card RST, CC4, CC8, DC Parameters
Note:
Card Presence (P1.2) DC Parameters
4202D–SCR–06/05
Symbol
I
V
I
t
OL
OH
R
OH
Symbol
t
Symbol
F
I
V
t
V
OL1
I
I
R
OH
OL
OH
OL
t
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 Current
Output High Voltage
Output High Current
Voltage Stability
Rise and Fall delays
Parameter
Output Low Voltage
Output Low Current
Output High Voltage
Output High Current
Rise and Fall delays
Voltage Stability
0.8 CV
0.7 CV
0.8 CV
CV
0.8 x V
CV
-0.25
Min
-0.25
Min
CC
0
0
CC
Min
(1)
(1)
3
- 0.5
-0.5
CC
CC
CC
CC
V
V
CC
CC
+0.3V during dynamic operation.
+0.3V during dynamic operation.
Typ
Typ
Typ
10
CV
CV
CV
0.4 x CV
0.12 x V
CC
CV
Max
CC
0.4
0.8
Max
CV
15
CC
15
Max
0.4
0.8
+ 0.25
15
15
CC
25
+ 0.25
CC
(1)
(1)
CC
CC
Unit
mA
mA
Unit
Unit
µs
V
V
mA
mA
µA
µs
V
V
Test Conditions
I
I
Low level
High level
C
OH
OH
Test Conditions
I
I
I
I
C
Low level
High level
Test Conditions
P1.2=1, short to VSS
Pull-up enabled
IN
OL
OL
OH
OH
IN
=30pF.
= 20 µA (5V)
= 20 µA (3V, 1.8V)
= 50 µΑ
=30 pF
= 20 µΑ
= 50 µΑ
= 20 µΑ
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