74HC194DB,118 NXP Semiconductors, 74HC194DB,118 Datasheet - Page 4

• Manufacturer Part Number: 74HC194DB,118
• Description: IC 4BIT BI-DIR SHIFT REG 16SSOP
• Manufacturer: NXP Semiconductors
• Series: 74HCr

Specifications of 74HC194DB,118

• Logic Type: Register, Bidirectional
• Output Type: Standard
• Number Of Elements: 1
• Number Of Bits Per Element: 4
• Function: Universal
• Voltage - Supply: 2 V ~ 6 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 16-SSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 74HC194DB-T; 74HC194DB-T; 935189740118

Philips Semiconductors
FUNCTION TABLE
Notes
1. H
December 1990
OPERATING MODES
reset (clear)
hold (“do nothing”)
shift left
shift right
parallel load
4-bit bidirectional universal shift register
h
L
I
q,d = lower case letters indicate the state of the referenced input (or output) one set-up time prior to the
X
= don’t care
= HIGH voltage level
= LOW-to-HIGH CP transition
= HIGH voltage level one set-up time prior to the LOW-to-HIGH CP transition
= LOW voltage level
= LOW voltage level one set-up time prior to the LOW-to-HIGH CP transition
LOW-to-HIGH CP transition
CP
X
X
MR
H
H
H
H
H
H
L
S
X
h
h
h
Fig.4 Functional diagram.
I
I
I
1
INPUTS
S
X
h
h
h
I
I
I
0
4
D
X
X
X
X
X
h
SR
I
D
X
X
X
X
X
h
SL
I
D
d
X
X
X
X
X
X
n
n
Q
q
q
q
d
H
L
L
0
1
1
0
0
74HC/HCT194
Q
OUTPUTS
q
q
q
q
q
d
L
1
2
2
0
0
1
Product specification
1
Q
q
q
q
q
q
d
L
2
3
3
1
1
2
2
Q
q
q
q
d
H
L
L
3
2
2
3
3