at83c26 ATMEL Corporation, at83c26 Datasheet - Page 71
at83c26
Manufacturer Part Number
at83c26
Description
Multiple Smart Card Reader Interface With Power Management
Manufacturer
ATMEL Corporation
Datasheet
1.AT83C26.pdf
(77 pages)
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Table 60. Smart Card n I/Os (CIOn, CC4n, CC8n, CRSTn) (n =1, 2, 3, 4, 5) (Continued)
Table 61. Card Presence (CPRES1, CPRES2)
Table 62. DCDCB
Table 63. Slew rate on CIOn with CVCCn= 5V (n=1, 2, 3, 4, 5), Mode 1
7511D–SCR–02/07
Vcardok up Vdcbok high level threshold
Symbol
Symbol
R
Symbol
Symbol
Vcardok
CVCCB
CPRES2
down
I
T
T
OL1
t
t
R/F
t
t
VHL
VLH
F
R
R
Parameter
CPRES1 weak pull-up output current
CPRES2 weak pull-up output current
Parameter
Fall time
Parameter
DCDCB output voltage
Ripple on CVCCB
Vdcbok low level threshold
VDCB valid to 0
VDCB 0 to valid
Parameter
Rise time/ Fall time
with
or CIOn_SLEW_CTRL[1-0] = 11(mode auto)
Rise time
with
Rise time
with
CIOn_SLEW_CTRL[1-0] = 00 (5V)
CIOn_SLEW_CTRL[1-0] = 01 (3V)
CIOn_SLEW_CTRL[1-0] = 10 (1.8V)
Min
Min
4.9
3
2
Min
Min
3
3
1000
Typ
Typ
3.35
3.35
100
5.3
2.4
5.3
2.4
4.9
3.1
2.1
40
20
8
Typ
Typ
10
10
Max
4000
Max
200
500
Max
100
Max
25
25
Unit
Unit
mV
µs
µs
ns
ns
ns
V
V
V
Unit
Unit
µA
µA
ns
Class A
Class B
Class C
Class A
Class B
Class C
Load = 75mA
Load = 40mA
Load = 10mA
C
C
C
Short to VSS
PULLUP1 = 1:
Internal pull-up active
Short to VSS
PULLUP2 = 1:
Internal pull-up active
L
L
L
Test Conditions
Test Conditions
= 30pF Class A
= 30pF Class B
= 30pF Class C
Test Conditions
Test Conditions
AT83C26
71