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HD74HC95
8-bit Shift Register
REJ03D0558-0200 (Previous ADE-205-431) Rev.2.00 Oct 06, 2005
Description
This 4-bit register features parallel and serial inputs, parallel outputs, mode control, and two clock inputs. The register has three mode operation: * Parallel (broadside) load * Shift right (the direction QA toward QD) * Shift left (the direction QD toward QA) Parallel loading is accomplished by applying the four bits of data and taking the mode control input high. The data is loaded into the associated flip-flops and appears at the outputs after the high-to-low transition of the clock-2 input. During loading, the entry of serial data is inhibited. Shift right is accomplished on the high-to-low transition of clock-1 when the mode control is low; shift left is accomplished on the high-to-low transition of clock-2 when the mode control is high by connecting the output of each flip-flop (QD to input C, etc.) and serial data is entered at input D. The clock input may be applied commonly to clock-1 and clock-2 if both modes can be clocked from the same source. Changes at the mode control input should normally be made while both clock inputs are low: however, conditions described in the last three lines of the function table will also ensure that register contents are protected.
Features
* * * * * * High Speed Operation: tpd (Clock to Q) = 17 ns typ (CL = 50 pF) High Output Current: Fanout of 10 LSTTL Loads Wide Operating Voltage: VCC = 2 to 6 V Low Input Current: 1 A max Low Quiescent Supply Current: ICC (static) = 4 A max (Ta = 25C) Ordering Information
Part Name HD74HC95P HD74HC95RPEL Package Type DILP-14 pin SOP-14 pin (JEDEC) Package Code (Previous Code) PRDP0014AB-B (DP-14AV) PRSP0014DE-A (FP-14DNV) Package Abbreviation P RP -- EL (2,500 pcs/reel) Taping Abbreviation (Quantity)
Rev.2.00, Oct 06, 2005 page 1 of 6
HD74HC95
Function Table
Inputs Mode Control H H H L L L Clocks 2 (L) 1 (R) H X X X H Serial X X X X H L L L H L X X X X A X a QB+ X X X X X X X Parallel B C X b QC+ X X X X X X X X c QD+ X X X X X X X Outputs D X d d X X X X X X X QA QA0 a QBn QA0 H L QA0 QA0 QA0 QA0 QB QB0 b QCn QB0 QAn QAn QB0 QB0 QB0 QB0 QC QC0 c QDn QC0 QBn QBn QC0 QC0 QC0 QC0 QD QD0 d d QD0 QCn QCn QD0 QD0 QD0 QD0
L X X L L L H
H H X X X X X QA0 QB0 QC0 QD0 Notes: 1. H : High level, L : Low level, X : Irrelevant 2. a to d : The level of steady-state input at inputs A, B, C or D respectively 3. QA0 to QD0 : The level of QA, QB, QC or QD respectively before the indicated steady-state input conditions were established. 4. QAn to QDn : The level of QA, QB, QC or QD respectively before the most-recent ( ) transition of the clock. 5. + : Shifting left requires external connection of QB to A, QC to B and QD to C. Serial data is entered at input D.
Pin Arrangement
Serial Input A B Inputs C D Mode Control GND 4 5 6 7 C D QC QD 11 QC 10 QD 9 8 Clock1 R-Shift Clock2 L-Shift (Load) 1 2 3 A Input QA B QB
Serial
14 Vcc 13 QA 12 QB Outputs
Mode CK1
CK2 (Top View)
Rev.2.00, Oct 06, 2005 page 2 of 6
HD74HC95
Absolute Maximum Ratings
Item Supply voltage range Input / Output voltage Input / Output diode current Output current VCC, GND current Power dissipation Symbol VCC Vin, Vout IIK, IOK IO ICC or IGND PT Ratings -0.5 to 7.0 -0.5 to VCC +0.5 20 25 50 500 Unit V V mA mA mA mW
Storage temperature Tstg -65 to +150 C Note: The absolute maximum ratings are values, which must not individually be exceeded, and furthermore, no two of which may be realized at the same time.
Recommended Operating Conditions
Item Supply voltage Input / Output voltage Operating temperature Input rise / fall time Note:
*1
Symbol VCC VIN, VOUT Ta tr , tf
Ratings 2 to 6 0 to VCC -40 to 85 0 to 1000 0 to 500
Unit V V C ns
Conditions
VCC = 2.0 V VCC = 4.5 V VCC = 6.0 V
0 to 400 1. This item guarantees maximum limit when one input switches. Waveform: Refer to test circuit of switching characteristics.
Electrical Characteristics
Item Input voltage Symbol VCC (V) VIH 2.0 4.5 6.0 2.0 4.5 6.0 Output voltage VOH 2.0 4.5 6.0 4.5 VOL 6.0 2.0 4.5 6.0 4.5 6.0 Input current Quiescent supply current Iin ICC 6.0 6.0 Min 1.5 3.15 4.2 -- -- -- 1.9 4.4 5.9 4.18 5.68 -- -- -- -- -- -- -- Ta = 25C Typ Max -- -- -- -- -- -- 2.0 4.5 6.0 -- -- 0.0 0.0 0.0 -- -- -- -- -- -- -- 0.5 1.35 1.8 -- -- -- -- -- 0.1 0.1 0.1 0.26 0.26 0.1 4.0 Ta = -40 to+85C Unit Min Max 1.5 3.15 4.2 -- -- -- 1.9 4.4 5.9 4.13 5.63 -- -- -- -- -- -- -- -- -- -- 0.5 1.35 1.8 -- -- -- -- -- 0.1 0.1 0.1 0.33 0.33 1.0 40 IOL = 4 mA IOL = 5.2 mA A Vin = VCC or GND A Vin = VCC or GND, Iout = 0 A V V Vin = VIH or VIL IOH = -20 A V Test Conditions
VIL
V
IOH = -4 mA IOH = -5.2 mA Vin = VIH or VIL IOL = 20 A
Rev.2.00, Oct 06, 2005 page 3 of 6
HD74HC95
Switching Characteristics (CL = 50 pF, Input tr = tf = 6 ns)
Ta = 25C Item Maximum clock frequency Propagation delay time Symbol VCC (V) fmax 2.0 4.5 6.0 tPLH 2.0 4.5 6.0 2.0 4.5 6.0 Pulse width tw 2.0 4.5 6.0 2.0 4.5 6.0 Hold time th 2.0 4.5 6.0 2.0 4.5 6.0 Cin -- Min -- -- -- -- -- -- -- -- -- 80 16 14 100 20 17 10 10 10 -- -- -- -- Typ -- -- -- -- 17 -- -- 17 -- -- 6 -- -- 2 -- -- -1 -- -- 5 -- 5 Max 4 20 24 145 29 25 170 34 29 -- -- -- -- -- -- -- -- -- 75 15 13 10 Ta = -40 to +85C Min -- -- -- -- -- -- -- -- -- 100 20 17 125 25 21 10 10 10 -- -- -- -- Max 3 16 19 180 36 31 215 43 37 -- -- -- -- -- -- -- -- -- 95 19 16 10 pF ns ns Clock ns Unit MHz Test Conditions
tPHL
ns
Setup time
tsu
ns
Output rise/fall time Input capacitance
tTLH, tTHL
ns
Test Circuit
VCC VCC Output
See Function Table
Input Pulse generator Zout = 50 Input Pulse generator Zout = 50
Serial Input Mode Control Clock 1 Clock 2 A B C D
QA Output QB Output QC Output QD CL = 50 pF CL = 50 pF CL = 50 pF CL = 50 pF
Note: C L includes the probe and jig capacitance.
Rev.2.00, Oct 06, 2005 page 4 of 6
HD74HC95 Waveforms
* Waveform - 1 tr
90 % 90 % 50 % 10 %
tf
tw VCC
50 % 50 %
Data
10 %
t su tf Clock-1 or Clock-2
90 % 50 %
th tr
t su
th
0V
90 % 50 % 10 %
VCC
50 %
t PHL
90 %
tw
0V t PLH
90 %
VOH VOL
QA to QD
50 % 10 %
50 % 10 %
t THL
t TLH
Notes: 1. Input waveform: PRR 1 MHz, Zo = 50 , tr 6 ns, tf 6 ns 2. Enable = GND
Package Dimensions
JEITA Package Code P-DIP14-6.3x19.2-2.54 RENESAS Code PRDP0014AB-B Previous Code DP-14AV MASS[Typ.] 0.97g
D
14
8
1 b3
7
Z
E
Reference Symbol
Dimension in Millimeters Min Nom 7.62 19.2 6.3 20.32 7.4 5.06 0.51 0.40 0.48 1.30 0.19 0 2.29 2.54 0.25 0.31 15 2.79 2.39 2.54 0.56 Max
A
A1
e1 D E
L
A A1 bp
e
bp
e1
c
b3 c
e Z
( Ni/Pd/Au plating )
L
Rev.2.00, Oct 06, 2005 page 5 of 6
HD74HC95
JEITA Package Code P-SOP14-3.95x8.65-1.27 RENESAS Code PRSP0014DE-A Previous Code FP-14DNV MASS[Typ.] 0.13g
*1
D 8
F
14
NOTE) 1. DIMENSIONS"*1 (Nom)"AND"*2" DO NOT INCLUDE MOLD FLASH. 2. DIMENSION"*3"DOES NOT INCLUDE TRIM OFFSET.
bp
*2
Index mark
HE
E
c
Reference Symbol
Dimension in Millimeters Min Nom 8.65 3.95 Max 9.05
Terminal cross section ( Ni/Pd/Au plating )
1 Z e
*3
D E A2
7 bp x M L1
A1 A bp b1 c c1
0.10
0.14
0.25 1.75
0.34
0.40
0.46
0.15
0.20
0.25
A
HE
0 5.80 6.10 1.27
8 6.20
A1
L
e x y
0.25 0.15 0.635 0.40
1
y
Detail F
Z L L 0.60 1.08
1.27
Rev.2.00, Oct 06, 2005 page 6 of 6
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