PI5X1018NA 데이터 시트보기 (PDF) - Pericom Semiconductor

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PI5X1018NA

18-Bit, 10-Port Crossbar Switch

Pericom Semiconductor 

PI5X1018

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Power Supply Characteristics

Parameters Description

Test Conditions(1)

Min. Typ.(2) Max. Units

ICC

Quiescent Power Supply Current

VCC = Max.

VIN = OPEN or VCC

1.0 mA

∆ICC

Supply Current per Input @ TTL HIGH VCC = Max.

VIN = 3.4V(3)

2.5 mA

Notes:

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

2. Typical values are at VCC = 5.0V, +25°C ambient.

3. Per TTL driven input (VIN = 3.4V, control inputs only); port A - J pins do not contribute to ICC.

4. This current applies to the control inputs only and represent the current required to switch internal capacitance at the specified

frequency. The port A - J inputs generate no significant AC or DC currents as they transition. This parameter is not tested, but is

guaranteed by design.

Switching Characteristics over Operating Range

Parameters

Description

tPLH

tPHL

Propagation Delay(2,3,4)

N0 to M0, N0 to M0

N9 to M9, N9 to M9

tPLH

tPHL

Propagation Delay(2,3,5)

NX to MX, NX to MX

Bits 1 through 8 & 10 thru 17

Conditions

PI5X1018 (Com)

Min.

Typ.

Max.

¾

Load = CL = 20pF

¾

1.0

1.25

¾

2.0

tPZH

Bus Enable Time(4,5)

tPZL

SN-M to NX or MX

tPHZ

Bus Enable Time(4,5)

tPLZ

SN-M to NX or MX

1.5

¾

6.0

See Note 1

1.5

¾

5.0

Notes:

1. See test circuit and waveforms.

2. This parameter is guaranteed but not tested on Propagation Delays.

3. The bus switch contributes no propagational delay other than the RC delay of the ON resistance of the switch

and the load capacitance. Propagational delay of the bus switch when used in a system is determined by the

driving circuit on the driving side of the switch and its interaction with the load on the driven side.

4. Where N0 is Bit 0 of any port N = A - J and M0 is Bit 0 of any other port.

5. Where NX is Bit X (X = 0 - 17) of any port N = A - J and NX is Bit X (X = 0 - 17) of any other port.

Units

ns

5

PS8365E 08/24/99

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