AT83EC5123 ATMEL Corporation, AT83EC5123 Datasheet - Page 162

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

Table 116. Core DC Parameters (XTAL, RST, P0, P2, P3, P4, P5, ALE, PSEN, EA) (Continued)
Operating I
162
R
C
Trst
RST
Symbol
t
V
V
rise,
PFDM
PFDP
t
fall
AT8xC5122/23
Parameter
Power fail high level threshold
Power fail low level threshold
V
Internal reset pull-up resistor
External reset capacitor
Reset duration
CC
DD
Test Condition
rise and fall time
Figure 93. I
Figure 94. I
Figure 95. Clock Signal Waveform for I
during at least 24 clock cycles
Reset = V
Reset = V
during at least 24 clock cycles
V
CC
T
-0.5V
0.45V
CHCL
T
CC
CC
CLCH
CC
CC
after a high pulse
after a high pulse
= T
CLOCK SIGNAL
Test Condition, Idle Mode
Test Condition, Power-down Mode
CHCL
= 5 ns.
150 nF
Min
T
1 s
10
CLCH
(NC)
(NC)
0.7V
V
V
0.2V
CC
CC
CC
CC
XTAL2
XTAL1
Vss
RST
XTAL1
Vss
XTAL2
RST
-0.1
Typ
1 µF
2.8
2.6
15
70
CC
EA
V
P0
V
EA
P0
Icc
Icc
CC
CC
Tests in Idle Mode
V
V
CC
CC
Max
V
V
600
CC
CC
All other pins are disconnected.
second
All other pins are disconnected.
Unit
ms
k
V
V
Test Conditions
Trst=0.7*R*C
4202B–SCR–07/03