hef40175b NXP Semiconductors, hef40175b Datasheet - Page 2

• Manufacturer Part Number: hef40175b
• Description: Quadruple D-type Flip-flop
• Manufacturer: NXP Semiconductors

Philips Semiconductors
DESCRIPTION
The HEF40175B is a quadruple edge-triggered D-type
flip-flop with four data inputs (D
an overriding asynchronous master reset input (MR), four
buffered outputs (O
FAMILY DATA, I
See Family Specifications
January 1995
HEF40175BP(N): 16-lead DIL; plastic
HEF40175BD(F): 16-lead DIL; ceramic (cerdip)
HEF40175BT(D): 16-lead SO; plastic
( ): Package Designator North America
Quadruple D-type flip-flop
DD
Fig.2 Pinning diagram.
0
LIMITS category MSI
to O
(SOT38-1)
(SOT74)
(SOT109-1)
3
), and four complementary
0
to D
3
), a clock input (CP),
Fig.1 Functional diagram.
2
buffered outputs (O
transferred to O
CP if MR is HIGH. When LOW, MR resets all flip-flops
(O
and D
PINNING
FUNCTION TABLE
Notes
1. H = HIGH state (the more positive voltage)
D
CP
MR
O
O
0
0
0
0
CP
L = LOW state (the less positive voltage)
X = state is immaterial
to O
to D
to O
to O
X
0
to D
3
3
3
3
= positive-going transition
= negative-going transition
= LOW, O
INPUTS
3
.
data inputs
clock input (LOW to HIGH; edge-triggered)
master reset input (active LOW)
buffered outputs
complementary buffered outputs
D
H
X
X
L
0
to O
0
0
to O
3
to O
on the LOW to HIGH transition of
MR
H
H
H
L
3
3
). Information on D
= HIGH), independent of CP
no change
Product specification
HEF40175B
O
H
L
L
OUTPUTS
0
no change
to D
MSI
O
H
H
L
3
is