82540EP — Networking Silicon
20 Datasheet
2.5V 20 20 40 40 80 80 240 245 0.1 0.1
1.5V 10 10 30 35 55 60 400 425 1 1
Subsystem
3.3V current 70 mA 135 mA 200 mA 800 mA 10 mA
Table 7. Power Specifications - Complete Subsystem
Table 8. I/O Charact eristics
Symbol Parameter Condition Min Typ Max Unit
VIL Voltage inpu t LOW -0.5 0.8 V
VIH Voltage input HIGH 2 VDD
+0.3 V
VOL Voltage ou tput LOW 0.4 V
VOH Voltage ou tput HIGH 2.4 V
VSH Schmitt Trigger Hysterysis 0.1 V
IOLa
Output current LOW
3mA drivers (TTL3)
6mA drivers (TTL6)
12mA drivers (TTL12 )
VOL
VOL
VOL
3
6
12
mA
mA
mA
IOHa
Output current HIGH
3mA drivers (TTL3)
6mA drivers (TTL6)
12mA drivers (TTL12 )
VOH
VOH
VOH
-3
-6
-12
mA
mA
mA
IIN
Input Current
TTL inputs
Inputs with pull -down resistors
TTL inputs with pull-up resistors
VIN = VDD or
V
SS
VIN = VDD
VIN = V
SS
-10
150
-150
±110 µA
480 µA
-480 µA
IOZ 3-state output leakage cu rrent VOH = VDD or
V
SS
-10 ±110 µA
CIN Input capacitance Any input and
bi-directional
buffer 2.5 pF
COUT Output capacitance Any output
buffer 2pF
CPUD Pull-up/down Resist or value 7. 5 20 kΩ
a. TTL3 signals include: EE_DI, EE_SK, EE_CS, and JTAG_TDO.
TTL6 signals include: CLKRUN#, FL_CE#, FL_SCK, FL_SI, and CLK_VIEW.
TTL12 signals include: LED0 / LINK #, LED1 / ACT #, LED2 / LINK100 #, LED3 / LINK1000 #, SDP0, SDP1, SDP6, and SDP7.