N74F597D PDF даташит
Спецификация N74F597D изготовлена «Philips» и имеет функцию, называемую «8-bit shift register with input storage registers». |
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Детали детали
Номер произв | N74F597D |
Описание | 8-bit shift register with input storage registers |
Производители | Philips |
логотип |
12 Pages
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INTEGRATED CIRCUITS
74F597
8-bit shift register with input storage
registers
Product specification
IC15 Data Handbook
1991 Sep 13
Philips
Semiconductors
No Preview Available ! |
Philips Semiconductors
8-bit shift register with input storage registers
Product specification
74F597
FEATURES
• High impedance PNP base inputs for reduced loading
(20µA in High and Low states)
• 8-bit parallel storage register
• 3-State output buffers
• Shift register has asynchronous direct overriding reset
• Shift load SHLD is functional when SHCP is Low and locked out
when SHCP is High
• Guaranteed shift frequency DC to 105MHz
PIN CONFIGURATION
D1 1
D2 2
D3 3
D4 4
D5 5
D6 6
D7 7
GND 8
16 VCC
15 D0
14 DS
13 SHLD
12 STCP
11 SHCP
10 SHRST
9 QS
DESCRIPTION
The 74F597 consists of an 8-bit storage register feeding a
parallel-in/serial-in, serial-out 8-bit shift register. The storage register
and shift register have separate positive edge triggered clocks. The
shift register has asynchronous reset and when SHCP is Low, it has
asynchronous load.
The shift register load function has been modified to load when both
SHLD and SHCP are Low. When SHCP is High the shift register
load operation is not performed. Data will be properly shifted on the
rising edge of SHCP when SHLD is High.
SF00366
TYPE
74F597
TYPICAL fMAX
135MHz
TYPICAL SUPPLY CURRENT
(TOTAL)
42mA
ORDERING INFORMATION
DESCRIPTION
COMMERCIAL RANGE
VCC = 5V ±10%,
Tamb = 0°C to +70°C
16-pin plastic DIP
N74F597N
16-pin plastic SO
N74F597D
PKG DWG #
SOT38-4
SOT109-1
INPUT AND OUTPUT LOADING AND FAN-OUT TABLE
PINS
DESCRIPTION
Ds Serial data input
D0–D7
Parallel data inputs
SHCP
Shift register clock pulse input
STCP
Storage register clock pulse input
SHLD
Shift register load input (active Low)
SHRST
Shift register reset input (active Low)
Qs Serial data output
NOTE:
One (1.0) FAST unit load is defined as: 20µA in the High state and 0.6mA in the Low state.
74F (U.L.)
HIGH/LOW
1.0/0.033
1.0/0.033
1.0/0.033
1.0/0.033
1.0/0.033
1.0/0.033
50/33
LOAD VALUE
HIGH/LOW
20µA/20µA
20µA/20µA
20µA/20µA
20µA/20µA
20µA/20µA
20µA/20µA
1.0mA/20mA
1991 Sep 13
2 853–1556 03964
No Preview Available ! |
Philips Semiconductors
8-bit shift register with input storage registers
Product specification
74F597
LOGIC SYMBOL
14 15 1 2 3 4 5 6 7
Ds D0 D1 D2 D3 D4 D5 D6 D7
10 SHRST
11 SHCP
12 STCP
13 SHLD
Qs
VCC = Pin 16
GND = Pin 8
14
SF01107
IEC/IEEE SYMBOL (IEEE/IEC)
SRG8
10 R
11 C3/ !
13 C2
12 C1
14 3D
15 1D 2D
1
2
3
4
5
6
7
9
SF01108
FUNCTION TABLE
INPUTS
STCP
SHCP
SHLD
SHRST
↑XXX
↑ L LH
↑ L LH
XLLL
XXHL
X ↑ HH
↑HX
H = High voltage level
L = Low voltage level
X = Don’t care
↑ = Low-to-High clock transition
↑ = Not a Low-to-High clock transition
H
OPERATING MODES
Data loaded to storage registers
Data loaded from inputs to shift register
Data transferred from storage registers to shift registers
Invalid logic, state of shift register indeterminate when signals removed
Shift register cleared
Shift register clocked, Qn=Qn–1, Q0=Ds
Hold
1991 Sep 13
3
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Номер в каталоге | Описание | Производители |
N74F597D | 8-bit shift register with input storage registers | Philips |
N74F597N | 8-bit shift register with input storage registers | Philips |
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