June 2005

ASM2I99456

rev 0.2

3.3V/2.5V LVCMOS Clock Fanout Buffer

4 of 14

Notice: The information in this document is subject to change without notice.

Table 5. General Specifications

Symbol

Characteristics

Min

Typ

Max

Unit

Condition

Output Termination Voltage

VCC ÷2

V

MM

ESD Protection (Machine Model)

200

V

HBM

ESD Protection (Human Body Model)

2000

V

LU

Latch–Up Immunity

200

mA

Power Dissipation Capacitance

10

pF

Per output

Input Capacitance

4.0

pF

Symbol

Characteristics

Min

Typ

Max

Unit

Condition

Input high voltage

2.0

VCC + 0.3

V

LVCMOS

Input low voltage

-0.3

0.8

V

LVCMOS

Peak-to-peak input voltage

PCLK

250

mV

LVPECL

1

Common Mode Range

PCLK

1.1

VCC-0.6

V

LVPECL

Input current

2

200

µA

Output High Voltage

2.4

V

3

Output Low Voltage

0.55

0.30

V

V

2

Output impedance

14 - 17

Ω

4

Maximum Quiescent Supply Current

2.0

mA

All VCC Pins

2 Input pull-up / pull-down resistors influence input current.

3 The ASM2I99456 is capable of driving 50Ω transmission lines on the incident edge. Each output drives one 50Ω parallel terminated transmission line to