AT83C24 ATMEL Corporation, AT83C24 Datasheet - Page 30
AT83C24
Manufacturer Part Number
AT83C24
Description
Smart Card Reader Interface with Power Management
Manufacturer
ATMEL Corporation
Datasheet
1.AT83C24.pdf
(42 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AT83C24-PRTUL
Manufacturer:
ATMEL
Quantity:
2 294
Company:
Part Number:
AT83C24-TISIL
Manufacturer:
ATMEL
Quantity:
452
Company:
Part Number:
AT83C24NDS-PRTUL
Manufacturer:
ATMEL
Quantity:
490
Company:
Part Number:
AT83C24NDS-PRTUL
Manufacturer:
PANJIT
Quantity:
3 123
Part Number:
AT83C24UL
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
Table 18. Host Interface (I/O, C4, C8, CLK, A2, A1, A0, CMDVCC, PRES/INT) (Continued)
Table 19. Host Interface (SCL, SDA, RESET)
Table 20. Smart Card Class A
30
Symbol
R
Symbol
EVCC
EVCC
PRES/INT
V
EI
CLK
CLK
V
V
V
V
V
HIST
Symbol
CI
OH
OL
OL
CC
IH
IL
CI
CC
CC
_ovf
AT83C24
Output Low-voltage (I/O, C4, C8, PRES/INT)
Output High Voltage (C4, C8, PRES/INT)
V
Extra Supply Current
PRES/INT weak pull-up output current
EVCC pin not connected to a power supply
EVCC pin connected to a power supply
Clock signal for AT83C24
Clock signal for AT83C24NDS
Input Low-voltage
Input High Voltage
Output Low-voltage
Input trigger hysteresis
OH
on I/O depends on external pull up value
Card Supply Current Capability
Card Supply Current Overflow:
ICCADJ = 0 (reset value)
Parameter
Parameter
ICCADJ = 1
Parameter
Vpeak - 10 mV
0.8 x EVCC
Min
65
65
66
66
0.7 x VCC
0.1 x VCC
Vpeak -
200mV
Min
300
Min
18
-0.5
4
3
Typ
120
130
Vpeak
Typ
330
Typ
Vpeak + 25 mV
Max
0.3 x VCC
VCC + 0.5
130
150
EVCC
Max
0.05
Max
360
0.4
+3
48
48
1.9
0.4
Unit
mA
mA
Unit
Unit
MHz
MHz
mA
V
V
V
V
V
V
V
VCC > 5.35V,
I
I
EVCC from 1.6V to VCC
I
C
Short to VSS
INT_PULLUP = 0: Internal
pull-up active.
C
mA
Vpeak on I/O from 1.6V to
VCC
EAUTO = 1:
min duration 1µs,
min frequency 0.1Hz,
spikes <50ns are filtered.
EAUTO = 1
If DCK[2:0] =0
(CLK=4MHz to 4.61MHz),
a duty cycle of 50% is
needed.
no constrainst on duty
cycle
VCC > 4.5V
VCC <= 4.5V
VCC > 4.5V
VCC <= 4.5V
I
OL
OL =
OH
OL
L
L
VCC from 3 to 5.5V
= 100 nF
= 100 nF, EIcc = +3
= -100 A
= -3 mA
= 100 A
Test Conditions
VCC=3V to 5.5V,
-1.2 mA
Test Conditions
Test Conditions
STEPREG=0
4234E–SCR–09/04
STEPREG = 1