Intel 82540EP manual O Characteristics, Symbol Parameter Condition Min Typ Max, = V Ss

82540EP — Networking Silicon

Table 7. Power Specifications - Complete Subsystem

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		70 mA		135 mA		200 mA		800 mA		10 mA
3.3V current

Table 8. I/O Characteristics

Symbol Parameter Condition Min Typ Max Unit

VIL	Voltage input LOW		-0.5		0.8	V
VIH	Voltage input HIGH		2		VDD	V
					+0.3
VOL	Voltage output LOW				0.4	V
VOH	Voltage output HIGH		2.4			V
VSH	Schmitt Trigger Hysterysis		0.1			V
	Output current LOW
a	3mA drivers (TTL3)	VOL	3			mA
IOL	6mA drivers (TTL6)	VOL	6			mA
	12mA drivers (TTL12)	VOL	12			mA
	Output current HIGH
a	3mA drivers (TTL3)	VOH	-3			mA
IOH	6mA drivers (TTL6)	VOH	-6			mA
	12mA drivers (TTL12)	VOH	-12			mA
	Input Current	VIN = VDD or
						µ A
IIN	TTL inputs	VSS	-10	± 1	10
	Inputs with pull-down resistors	VIN = VDD	150
					480	µ A
	TTL inputs with pull-up resistors	VIN = VSS	-150
					-480	µ A
IOZ	3-state output leakage current	VOH = VDD or	-10	± 1	10	µ A
		VSS
		Any input and
CIN	Input capacitance	bi-directional		2.5		pF
		buffer
COUT	Output capacitance	Any output		2		pF
		buffer
CPUD	Pull-up/down Resistor 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.

20 Datasheet