MC74AC377DTEL Ver la hoja de datos (PDF) - ON Semiconductor

Número de pieza

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Fabricante

MC74AC377DTEL

Octal D Flip-Flop with Clock Enable

ON Semiconductor 

MC74AC377, MC74ACT377

VCC O7 D7 D6 O6 O5 D5 D4 O4 CP

20 19 18 17 16 15 14 13 12 11

1 2 3 4 5 6 7 8 9 10

CE O0 D0 D1 O1 O2 D2 D3 O3 GND

Figure 1. Pinout: 20–Lead Packages Conductors

(Top View)

D0 D1 D2 D3 D4 D5 D6 D7

CP

CE

O0 O1 O2 O3 O4 O5 O6 O7

Figure 2. LOGIC SYMBOL

PIN NAMES

PIN

D0–D7

CE

Q0–Q7

CP

FUNCTION

Data Inputs

Clock Enable (Active LOW)

Data Outputs

Clock Pulse Input

MODE SELECT-FUNCTION TABLE

Operating Mode

Load ′1′

Inputs

CP CE Dn

LH

Load ′0′

LL

Hold (Do Nothing)

HX

XHX

H = HIGH Voltage Level

L = LOW Voltage Level

X = Immaterial

= LOW-to-HIGH Clock Transition

Outputs

Qn

H

L

No Change

No Change

D0

D1

D2

D3

D4

D5

D6

D7

CE

DQ

CP

DQ

CP

DQ

CP

DQ

CP

DQ

CP

DQ

CP

DQ

CP

DQ

CP

CP

O0

O1

O2

O3

O4

O5

O6

O7

Please note that this diagram is provided only for the understanding of logic

operations and should not be used to estimate propagation delays.

Figure 3. LOGIC DIAGRAM

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