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What is N74F323N?

This electronic component, produced by the manufacturer "Philips", performs the same function as "8-bit universal shift/storage register with synchronous reset and common I/O pins 3-State".


N74F323N Datasheet PDF - Philips

Part Number N74F323N
Description 8-bit universal shift/storage register with synchronous reset and common I/O pins 3-State
Manufacturers Philips 
Logo Philips Logo 


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Philips Semiconductors
8-bit universal shift/storage register with synchronous
reset and common I/O pins (3-State)
Product specification
74F323
FEATURES
Common parallel I/O for reduced pin count
Additional serial inputs and outputs for expansion
Four operating modes: Shift left, shift right, load, and store
3-State outputs for bus-oriented applications
DESCRIPTION
The 74F323 is an 8-bit universal shift/storage register with 3-State
outputs. Its function is similar to the 74F299 with the exception of
synchronous Reset. Parallel load inputs and flip-flop outputs are
multiplexed to minimize pin counts. Separate serial inputs and
outputs are provided for flip-flops Q0 and Q7 to allow easy serial
cascading. Four modes of operation are possible: Hold (store), shift
left, shift right, and parallel load.
The 74F323 contains eight edge-triggered D-type flip-flops and the
interstage logic necessary to perform synchronous reset, shift left,
shift right, parallel load, and hold operations. The type of operation is
determined by S0 and S1, as shown in the Function Table. All
flip-flop outputs are brought out through 3-State buffers to separate
I/O pins that also serve as data inputs in the parallel load mode.
Q0 and Q7 are also brought out on other pins for expansion in serial
shifting of longer words.
A Low signal on SR overrides the Select and inputs and allows the
flip-flops to be reset by the next rising edge of clock. All other state
changes are initiated by the rising edge of the clock. Inputs can
change when the clock is in either state provided only that the
recommended setup and hold times, relative to the rising edge of
clock are observed.
A High signal on either OE0 or OE1 disables the 3-State buffers and
puts the I/O pins in the high impedance state. In this condition the
shift, hold, load and reset operations can still occur. The 3-State
buffers are also disabled by High signals on both S0 and S1 in
preparation for a parallel load operation.
PIN CONFIGURATION
S0 1
OE0 2
OE1 3
I/O6 4
I/O4 5
I/O2 6
I/O0 7
Q0 8
SR 9
GND 10
20 VCC
19 S1
18 DS7
17 Q7
16 I/O7
15 I/O5
14 I/O3
13 I/O1
12 CP
11 DS0
SF00888
TYPE
74F323
TYPICAL fMAX
115MHz
TYPICAL
SUPPLY CURRENT
(TOTAL)
55mA
ORDERING INFORMATION
DESCRIPTION
20-pin plastic DIP
ORDER CODE
COMMERCIAL RANGE
VCC = 5V ±10%, Tamb = 0°C to +70°C
N74F323N
20-pin plastic SOL
N74F323D
INPUT AND OUTPUT LOADING AND FAN-OUT TABLE
PINS
DESCRIPTION
74F(U.L.)
HIGH/LOW
DS0 Serial data input for right shift
1.0/1.0
DS7 Serial data input for left shift
1.0/1.0
S0, S1
Mode select inputs
1.0/2.0
CP Clock pulse input (Active rising edge)
1.0/1.0
SR Synchronous Reset input (Active Low)
1.0/1.0
OE0, OE1 Output Enable input (Active Low)
1.0/1.0
Q0, Q7
Serial outputs
50/33
Multiplexed parallel data inputs or
I/On
3-State parallel outputs
NOTE: One (1.0) FAST Unit Load (U.L.) is defined as: 20µA in the High State and 0.6mA in the Low state.
3.5/1.0
150/40
LOAD VALUE
HIGH/LOW
20µA/0.6mA
20µA/0.6mA
20µA/1.2mA
20µA/0.6mA
20µA/0.6mA
20µA/0.6mA
20µA/20mA
70µA/0.6mA
3.0mA/24mA
1990 Mar 01
1 853-0367 98987

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N74F323N equivalent
Philips Semiconductors
8-bit universal shift/storage register with synchronous
reset and common I/O pins (3-State)
Product specification
74F323
DC ELECTRICAL CHARACTERISTICS
(Over recommended operating free-air temperature range unless otherwise noted.)
SYMBOL
PARAMETER
TEST CONDITIONS1
LIMITS
MIN TYP2 MAX
UNIT
VOH
High-level output voltage
Q0, Q7
I/On
VCC = MIN,
VIL = MAX,
VIH = MIN
IOH = –1mA
IOH = –3mA
±10%VCC
±5%VCC
±10%VCC
2.5
2.7
2.5
3.4
±5%VCC
2.7
3.4
V
V
V
V
VOL Low-level output voltage
VCC = MIN,
VIL = MAX,
VIH = MIN
IOL = MAX
±10%VCC
±5%VCC
0.35 0.50
0.35 0.50
V
V
VIK Input clamp voltage
VCC = MIN, II = IIK
–0.73 –1.2
V
II
Input current at
maximum input voltage
others
I/On
VCC = MAX, VI = 7.0V
VCC = 5.5V, VI = 5.5V
100 µA
1 mA
IIH
High-level input current
except
I/On
VCC = MAX, VI = 2.7V
20 µA
S0, S1
IIL Low-level input current
others
VCC = MAX, VI = 0.5V
–1.2 mA
–0.6 mA
IIH + IOZH
IIL + IOZL
Off-state output current,
High-level voltage
applied
Off-state output current
Low-level voltage applied
I/On
only
VCC = MAX, VO = 2.7V
VCC = MAX, VO = 0.5V
70 µA
–0.6 mA
IOS Short-circuit output current3
VCC = MAX
–60
–150
mA
ICCH
55 75
mA
ICC
Supply current (total)
ICCL
VCC = MAX
65 90
mA
ICCZ
55 85
mA
NOTES:
1. For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions for the applicable type.
2. All typical values are at VCC = 5V, Tamb =+ 25°C.
3. Not more than one output should be shorted at a time. For testing IOS, the use of high-speed test apparatus and/or sample-and-hold
techniques are preferable in order to minimize internal heating and more accurately reflect operational values. Otherwise, prolonged shorting
of a High output may raise the chip temperature well above normal and thereby cause invalid readings in other parameter tests. In any
sequence of parameter tests, IOS tests should be performed last.
1990 Mar 01
5


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