Datasheet

74HC_HCT166 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2013. All rights reserved.
Product data sheet Rev. 3 — 11 September 2013 2 of 21
NXP Semiconductors
74HC166; 74HCT166
8-bit parallel-in/serial out shift register
4. Functional diagram
Fig 1. Logic symbol Fig 2. IEC logic symbol
aaa-008816
Q7 13
115
67
D0
PE DS
CP CE
D1
D2
D3
D4
D5
D6
D7
2
3
4
5
10
11
12
14
9MR
aaa-008817
6
7
15
2,1D
2,1D
≥1
SRG8
R
M2
C1/2
9
1
2
3
4
5
10
11
12
14 13
2,1D
Fig 3. Functional diagram
aaa-008818
8-BIT PARALLEL/SERIAL-IN/
SERIAL-OUT SHIFT REGISTER
DS
9
1
6
15
2
Q7
D0
13
3
D1
4
D2
5
D3
10
D4
11
D5
12
D6
14
D7
MR
CP
CE
PE
7