74HC_HCT594_15 Datasheet, PDF (3/26 Pages) NXP Semiconductors – 8-bit shift register with output register

NXP Semiconductors
74HC594; 74HCT594
8-bit shift register with output register
SHCP STCP
11
DS 14
10
12
9
15
1
2
3
4
5
6
7
13
Q7S
Q0
Q1
Q2
Q3
Q4
Q5
Q6
Q7
SHR STR mbc319
Fig 2. Logic symbol
STR ¹³
STCP ¹²
10
SHR
11
SHCP
DS ¹⁴
R2
C2
R1 SRG8
C1/
1D
2D
15 _Q0
1 _Q1
2 _Q2
3
Q3
4
Q4
5
Q5
6
Q6
7
Q7
9
Q7S
mbc322
Fig 3. IEC logic symbol
DS
SHCP
SHR
STCP
STR
STAGE 0
D
Q
FFSH0
CP
R
STAGES 1 TO 6
D
Q
STAGE 7
D
Q
FFSH7
CP
R
D
Q
FFST0
CP
R
D
Q
FFST7
CP
R
Q7S
Fig 4. Logic diagram
Q0
Q1 Q2 Q3 Q4 Q5 Q6
Q7
mbc321
74HC_HCT594_3
Product data sheet
Rev. 03 — 20 December 2006
© NXP B.V. 2006. All rights reserved.
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