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CD4094BC Datasheet(Scheda tecnica) 1 Page - Fairchild Semiconductor

Numero della parte CD4094BC
Dettagli  8-Bit Shift Register/Latch with 3-STATE Outputs
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Produttore  FAIRCHILD [Fairchild Semiconductor]
Homepage  http://www.fairchildsemi.com
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October 1987
Revised January 1999
© 1999 Fairchild Semiconductor Corporation
DS005983.prf
www.fairchildsemi.com
CD4094BC
8-Bit Shift Register/Latch with 3-STATE Outputs
General Description
The CD4094BC consists of an 8-bit shift register and a 3-
STATE 8-bit latch. Data is shifted serially through the shift
register on the positive transition of the clock. The output of
the last stage (QS) can be used to cascade several
devices. Data on the QS output is transferred to a second
output, Q
S, on the following negative clock edge.
The output of each stage of the shift register feeds a latch,
which latches data on the negative edge of the STROBE
input. When STROBE is HIGH, data propagates through
the latch to 3-STATE output gates. These gates are
enabled when OUTPUT ENABLE is taken HIGH.
Features
s Wide supply voltage range:
3.0V to 18V
s High noise immunity: 0.45 VDD (typ.)
s Low power TTL compatibility:
Fan out of 2 driving 74L or 1 driving 74LS
s 3-STATE outputs
Ordering Code:
Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.
Connection Diagram
Pin Assignments for DIP and SOIC
Top View
Truth Table
X
= Don't Care
 = HIGH-to-LOW
 = LOW-to-HIGH
Note 1: At the positive clock edge, information in the 7th shift register stage is transferred to Q8 and QS.
Order Number
Package Number
Package Description
CD4094BCWM
M16B
16-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300” Wide
CD4094BCN
N16E
16-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300” Wide
Clock
Output
Strobe
Data
Parallel Outputs
Serial Outputs
Enable
Q1
QN
QS
(Note 1)
Q
Σ

0
X
X
Hi-Z
Hi-Z
Q7
No Change

0
X
X
Hi-Z
Hi-Z
No Change
Q7

1
0
X
No Change No Change
Q7
No Change

11
0
0
QN−1
Q7
No Change

11
1
1
QN−1
Q7
No Change

1
1
1
No Change No Change No Change
Q7




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