SY100E016 Просмотр технического описания (PDF) - Micrel

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SY100E016

8-BIT SYNCHRONOUS BINARY UP COUNTER

Micrel 

Micrel, Inc.

TRUTH TABLE(1)

SY10E016

SY100E016

CE

PE

TCLD

MR

CLK

X

L

X

L

Z

L

H

L

L

Z

L

H

H

L

Z

H

H

X

L

Z

X

X

X

L

ZZ

X

X

X

H

Z

NOTE:

1. Z = Clock Pulse (LOW-to-HIGH), ZZ = Clock Pulse (HIGH-to-LOW)

Function

Load Parallel (Pn to Qn)

Continuous Count

Count; Load Parallel on TC = LOW

Hold

Master respond, Slaves Hold

Reset (Qn : = LOW, TC : = HIGH)

DC ELECTRICAL CHARACTERISTICS

VEE = VEE (Min.) to VEE (Max.); VCC = VCCO = GND

TA = –40°C

TA = 0°C

TA = +25°C

TA = +85°C

Symbol

Parameter

Min. Typ. Max. Min. Typ. Max. Min. Typ. Max. Min. Typ. Max. Unit

IIH

Input HIGH Current

— — 150 — — 150 — — 150 — — 150

µA

IEE

Power Supply Current

mA

10E — 151 181 — 151 181 — 151 181 — 151 181

100E — 151 181 — 151 181 — 151 181 — 174 208

AC ELECTRICAL CHARACTERISTICS

VEE = VEE (Min.) to VEE (Max.); VCC = VCCO = GND

TA = –40°C

TA = 0°C

TA = 25°C

TA = +85°C

Symbol

Parameter

Min. Typ. Max. Min. Typ. Max. Min. Typ. Max. Min. Typ. Max. Unit

fCOUNT Max. Count Frequency

700 900 — 700 900 — 700 900 — 700 900 — MHz

tPD

Propagation Delay to Output

ps

CLK to Q

600 725 1000 600 725 1000 600 725 1000 600 725 1000

MR to Q

600 775 1000 600 775 1000 600 775 1000 600 775 1000

CLK to TC (Qs loaded)(1)

550 775 1050 550 775 1050 550 775 1050 550 775 1050

CLK to TC (Qs unloaded)(1) 550 700 900 550 700 900 550 700 900 550 700 900

MR to TC

625 775 1000 625 775 1000 625 775 1000 625 775 1000

tS

Set-up Time

Pn

CE

PE

TCLD

ps

150 –30 — 150 –30 — 150 –30 — 150 –30 —

600 400 — 600 400 — 600 400 — 600 400 —

600 400 — 600 400 — 600 400 — 600 400 —

500 300 — 500 300 — 500 300 — 500 300 —

tH

Hold Time

Pn

CE

PE

TCLD

ps

250 30 — 250 30 — 250 30 — 250 30 —

0 –400 — 0 –400 — 0 –400 — 0 –400 —

0 –400 —

0 –400 —

0 –400 — 0 –400 —

100 –300 — 100 –300 — 100 –300 — 100 –300 —

tRR

Reset Recovery Time

900 700 — 900 700 — 900 700 — 900 700 —

ps

tWP

Minimum Pulse Width

CLK, MR

400 — — 400 — — 400 — — 400 — —

ps

tr

Rise/Fall Times

tf

20% to 80%

300 510 800 300 510 800 300 510 800 300 510 800

ps

NOTE:

1. CLK to TC propagation delay is dependent on the loading of the Q outputs. With all of the Q outputs loaded, the noise generated in going from a IIII IIII

state to a 0000 0000 state causes the CLk to TC+ delay to increase.

M9999-032006

hbwhelp@micrel.com or (408) 955-1690

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