ASM2P3805AH datasheet(5/13 Pages) ALSC

5 / 13 page

June 2005

ASM2P3805AH

rev 0.2

3.3V CMOS Buffer Clock Driver

5 of 13

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

Power Supply Characteristics

Symbol

Parameter

Test Conditions

Min

Typ

Max

Unit

∆ICC

Quiescent Power Supply Current

TTL Inputs HIGH

VCC= Max. VIN = VCC –0.6V

µA

ICCD

Dynamic Power Supply Current

VCC= Max.

Outputs Open

¯¯ A = OE

¯¯ B= GND

Per Output Toggling

50% Duty Cycle

VIN= VCC

VIN= GND

0.035

0.06

mA/

MHz

VIN= VCC

VIN= GND

0.9

1.6

VCC= Max.

Outputs Open

fO= 25MHz

50% Duty Cycle

¯¯ A = OE

¯¯ B= VCC

Mon. Output Toggling

VIN= VCC-0.6V

VIN= GND

0.9

1.6

VIN= VCC

VIN= GND

Total Power Supply Current

VCC= Max.

Outputs Open

fO= 50MHz

50% Duty Cycle

OEA = OEB= GND

Eleven Outputs

Toggling

VIN= VCC-0.6V

VIN= GND

Notes:

1. For conditions shown as Max or Min, use appropriate value specified under Electrical Characteristics for the applicable device type.

2. Typical values are at VCC = 3.3V, +25°C ambient.

3. Per TTL driven input (VIN = VCC -0.6V); all other inputs at VCC or GND.

4. This parameter is not directly testable, but is derived for use in Total Power Supply calculations.

5. Values for these conditions are examples of the IC formula. These limits are guaranteed but not tested.

6. IC = IQUIESCENT + IINPUTS + IDYNAMIC

IC = ICC + ∆ICC DHNT + ICCD (fONO)

ICC = Quiescent Current (ICCL, ICCH and ICCZ)

∆ICC = Power Supply Current for a TTL High Input (VIN = VCC -0.6V)

DH = Duty Cycle for TTL Inputs High

NT = Number of TTL Inputs at DH

ICCD = Dynamic Current Caused by an Input Transition Pair (HLH or LHL)

fO = Output Frequency

NO = Number of Outputs at fO

All currents are in milliamps and all frequencies are in megahertz.

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