MC14557BDWG ON Semiconductor, MC14557BDWG Datasheet - Page 3

• Manufacturer Part Number: MC14557BDWG
• Description: IC SHIFT REGISTER 1-64BIT 16SOIC
• Manufacturer: ON Semiconductor
• Series: 4000Br

Specifications of MC14557BDWG

• Logic Type: Shift Register
• Output Type: Differential
• Number Of Elements: 1
• Number Of Bits Per Element: 64
• Function: Universal
• Voltage - Supply: 3 V ~ 18 V
• Operating Temperature: -55°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 16-SOIC (0.300", 7.5mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

TRUTH TABLE
Q is the output of the first selected shift
X = Don’t Care
register stage.
Rst
0
0
0
0
1
CLOCK
RESET
Figure 2. Pin Assignment
A/B
X
0
1
0
1
V
CE
L2
L1
SS
B
A
Inputs
1
2
3
4
5
6
7
8
Clock
X
1
1
16
15
14
13
12
10
11
9
L4
V
L8
L16
L32
Q
Q
A/B SEL
DD
CE
0
0
X
Output
Q
B
A
B
A
0
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MC14557B
3
LENGTH SELECT TRUTH TABLE
NOTE:
L32
0
0
0
0
0
0
1
1
1
1
1
1






L16
Length equals the sum of the binary length control
subscripts plus one.
0
0
0
0
0
0



0
0



1
1
1
1
15
14
13
12
3
4
5
6
7
9
2
1
Figure 3. Block Diagram
L8
0
0
0
0
0
0
0
0
1
1
1
1






RESET
CLOCK
CE
B
A
A/B SELECT
L1
L2
L4
L8
L16
L32
V
V
DD
SS
L4
0
0
0
0
1
1



0
0



1
1
1
1
= PIN 16
= PIN 8
L2
0
0
1
1
0
0
0
0
0
0
1
1






Q
Q
L1
0
1
0
1
0
1



0
1



0
1
0
1
10
11
Register Length
33 Bits
34 Bits
61 Bits
62 Bits
63 Bits
64 Bits
2 Bits
3 Bits
4 Bits
5 Bits
6 Bits
1 Bit