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參數(shù)資料
| 型號： | 933714850652 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 計數(shù)移位寄存器 |
| 英文描述： | HC/UH SERIES, 8-BIT RIGHT SERIAL IN PARALLEL OUT SHIFT REGISTER, TRUE OUTPUT, PDSO16 |
| 封裝： | SOT-109, SO-16 |
| 文件頁數(shù)： | 3/10頁 |
| 文件大?。?/td> | 69K |
| 代理商： | 933714850652 |
December 1990
2
Philips Semiconductors
Product specication
8-stage shift-and-store bus register
74HC/HCT4094
FEATURES
Output capability: standard
ICC category: MSI
GENERAL DESCRIPTION
The 74HC/HCT4094 are high-speed Si-gate CMOS
devices and are pin compatible with the “4094” of the
“4000B” series. They are specified in compliance with
JEDEC standard no. 7A.
The 74HC/HCT4094 are 8-stage serial shift registers
having a storage latch associated with each stage for
strobing data from the serial input (D) to the parallel
buffered 3-state outputs (QP0 to QP7). The parallel outputs
may be connected directly to common bus lines.
Data is shifted on the positive-going clock (CP) transitions.
The data in each shift register stage is transferred to the
storage register when the strobe input (STR) is HIGH.
Data in the storage register appears at the outputs
whenever the output enable input (OE) signal is HIGH.
Two serial outputs (QS1 and QS2) are available for
cascading a number of “4094” devices. Data is available at
QS1 on the positive-going clock edges to allow high-speed
operation in cascaded systems in which the clock rise time
is fast. The same serial information is available at QS2 on
the next negative-going clock edge and is for cascading
“4094” devices when the clock rise time is slow.
APPLICATIONS
Serial-to-parallel data conversion
Remote control holding register
QUICK REFERENCE DATA
GND = 0 V; Tamb = 25 °C; tr = tf = 6 ns
Notes
1. CPD is used to determine the dynamic power dissipation (PD in W):
PD = CPD × VCC2 × fi +∑ (CL × VCC2 × fo) where:
fi = input frequency in MHz
fo = output frequency in MHz
∑ (CL × VCC2 × fo) = sum of outputs
CL = output load capacitance in pF
VCC = supply voltage in V
2. For HC the condition is VI = GND to VCC
For HCT the condition is VI = GND to VCC 1.5 V
ORDERING INFORMATION
See
“74HC/HCT/HCU/HCMOS Logic Package Information”.
SYMBOL
PARAMETER
CONDITIONS
TYPICAL
UNIT
HC
HCT
tPHL/ tPLH
propagation delay
CL = 15 pF; VCC = 5 V
CP to QS1
15
19
ns
CP to QS2
13
18
ns
CP to QPn
20
21
ns
STR to QPn
18
19
ns
fmax
maximum clock frequency
95
86
MHz
CI
input capacitance
3.5
pF
CPD
power dissipation capacitance per package
notes 1 and 2
83
92
pF
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