P
R
E
L
I
M
I
N
A
R
Y
I
N
F
O
R
M
A
T
I
O
N
XpressFlow-2020 Series –
Ethernet Switch Chipset
EA218
6+2 Ports 10Mb Ethernet Access Controller
3. DC SPECIFICATION
3.1 ABSOLUTE MAXIMUM RATINGS
Storage Temperature
Operating Temperature
-50°C to +125°C
0°C to +70°C
Supply Voltage VDD with Respect to VSS
Voltage on 5V Tolerant Input Pins
Voltage on Other Input Pins
+3.0 V to +3.6 V
-0.5 V to (VDD + 1.8 V)
-0.5 V to (VDD + 10%)
Stresses above those listed may cause permanent device failure. Functionality at or above these limits is not implied. Exposure to Ab-
solute Maximum Ratings for extended periods may affect device reliability.
3.2 DC CHARACTERISTICS
VDD = +3.0 V to +3.6 V
TAMBIENT = 0°C to +70°C
Preliminary
Typ
Symbol
fosc
Parameter Description
Frequency of Operation (-40)
Min
Max
Unit
20
20
20
40.0000
50.0000
66.6667
500
MHz
MHz
MHz
mA
mA
mA
V
Frequency of Operation (-50)
Frequency of Operation (-66)
IDD
Supply Power – @ 40 MHz (VDD =3.3 V)
Supply Power – @ 50 MHz (VDD =3.3 V)
Supply Power – @ 66.67 MHz (VDD =3.3 V)
Output High Voltage (CMOS) IOH = maximum
Output Low Voltage (CMOS) IOL = maximum
Output High Voltage (TTL) IOH = maximum
Output Low Voltage (TTL) IOL = maximum
Input High Voltage (CMOS)
300
300
300
500
500
VOH-CMOS
VOL-CMOS
VOH-TTL
VOL-TTL
VIH-CMOS
VIL-CMOS
VIH-TTL
VIL-TTL
VDD - 0.5
2.4
0.45
V
V
0.45
VDD + 10%
VDD x 30%
VDD + 10%
+0.8
V
VDD x 70%
-0.5
V
Input Low Voltage (CMOS)
V
Input High Voltage (TTL)
2.0
V
Input Low Voltage (TTL)
-0.3
V
VIH-5VT
VIL-5VT
Input High Voltage (TTL 5V tolerant)
Input Low Voltage (TTL 5V tolerant)
2.0
VDD + 1.8
+0.8
V
-0.3
V
ILI
Input Leakage Current (0.1 V ) VIN ) VDD
)
10
µA
(all pins except those with internal pull-up/pull-down resis-
tors)
ILO
IIH
Output Leakage Current (0.1 V ) VOUT ) VDD
Input Leakage Current VIH = VDD - 0.1 V
(pins with internal pull-down resistors)
Input Leakage Current VIL = 0.1 V
(pins with internal pull-up resistors)
Input Capacitance
)
15
60
µA
µA
IIL
-60
µA
CIN
COUT
CI/O
8
8
pF
pF
pF
Output Capacitance
I/O Capacitance
10
Notes:
© 1998 Zarlink Semiconductor, Inc.
20
Rev. 2.1- February, 1999