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MAR I 7 I
JU-455 JU-465 JU-475
II SPECIFICATION SUMMARY Performance Specifications
f'?~ r~
JU-455
Item
JU-465
JU-475 (Low)
(High)
8,333,3331 802,083 500,000 500,000 1,000,000 1,000,000 1,666,666/1,604,167
Unformated (bytes)
FM MFM
250,000 500,000
Formated (bytes)
FM MFM
163,840 327 ,680
327,680 655 ,360
327 ,680 655,360
614,400/ 591 ,360 1,228,800/1,182,720
Unformated (bytes)
FM MFM
125,000 250,000
250,000 500,000
250,000 500,000
416,666/ 401 ,041 8,333,333/ 802,083
Formated (bytes)
FM MFM
163,840 327 ,680
307,200/ 295,680 614,400/ 591 ,360
Unformated (bytes)
FM MFM
3, 125 6,250
3, 125 6,250
3 ,125 6,250
5,208 10,416
Formated (bytes)
FM MFM
2 ,048
2 ,048
4 ,096
4 ,096
2,048 4 ,096
3,840 7,680
Formated (bytes)
FM MFM
128/2 56 256 / 512
128/ 256 256 / 512
128 256
256 512
Number of Heads
2
2
2
2
Number of Tracks
80
160
160
160/ 154
FM
2,938
2 ,961
2,961
4 ,935 / 4,821
MFM
5,876
5 ,922
5,922
9 ,870 / 9 ,642
48
96
96
96
FM
125
125
125 / 150
250
MFM
250
250
250/ 300
500
Rotational Speed(R.P .M .)
300
300
300
360
Track to Track Seek(ms)
4
3
3
3
Settling Time(ms)
15
15
15
15
500
500
500
500
Total Storage Capacity / Disk
Storage Capacity / Surface Capacity
Storage Capacity/ Track
Storage Capacity/ Sector
Recording Density
I
1- 1 F
-
-
-
-
Recording Density(bpi) Track Density(tpi) Data Transfer Rate(K bits / s)
Access Motor Start Time(ms)
Power Specifications Rating
Item 12V
Voltage 12 VDC Power
Current
5 VDC
Current
10% Max Ripple 100mVp-p
Max .
0 .6A / Peak 0 .9A
Typical
0.36A 5V
Voltage
Requirment
±
±
5 % Max Ripple 50mVp-p
Max. Typical Operating
Temperature
Humidity
Storage
- 22 .2 to 47.2"C 62.2"C
Vibration Non Operating
Operating Shock Non Operating
20 to 80% RH No Condensation
Non Operating
1 to 95 % RH No Condensation
Acceleration Frequency Acceleration Frequency
Mounting Angle
Dielectrical Withstanding Voltage
0 .5 G (No Soft Error) 5 to 55 Hz (Except Resonant Point) 3 .0G 5 to 55Hz (Except Resonant Point) 0 .5G (No Hard Error)
Interval
10ms (Square Wave)
Acceleration Interval
40G 10ms (Square Wave) 146. 1 mm (Except Front Bezel)
Height
41 .5mm
Depth
203 .2mm
Weight
1.3kg
Vertical
O· to 20·
Horizontal
O· to 20·
Between the Mounting Bracket and Signal Ground Between the Mounting
Insulation Resistance
29.4· C
Acceleration
Width Mechanical Dimension
20·/ H
Operating
M aximum Wet Bulb Operating
0 .5A 10t046.1·C
Shipping Temperature Gradient
Environment
0 .65A
Bracket and Signal Ground
250 VDC (1 minute )
250 VDC, > 50 M n
Reliabili ty S pecifica tions Rating
Item
Drive
Mtbf
10,000 POH
Mttr
0 .5 hours
Drive Life
Error rate
5 years or POH
Software Errors
10- 9/ bit
Hardware Errors
10- 12 / bit
Seek Errors
10- 6 / seek
II ELECTRICAL INTERFACE Interface Connections Drive Select 1
10
Drive Select 2
12
Drive Select 3
14
Drive Select 4
6
Index
8
Jl / Pl co NNECTOR
16
Direction Select
18
Step
20
Write Date
22
Write Gate
24
Read Data
30 102
34
Ready
32
Select
4
In Use / Spare
2
., NC
~
Write Protect
28
Motor ON
Side
Track 00
26
..
+ 12V DC 1
DC Ground
+ 12V Return 2 J2 / P2 CO NNECTOR
100kO + 5V Return 3 + 5V DC
4
1
~
System Frame Ground
t~
Frame Ground
'* 1 '* 2
Ju- 475 : Mode Select Ju- 475 : Ready/ Drive Status
Interface Signal Driver / Receiver + 5V
-
I
MAX 10 FEET RIBBON OR TWISTED PAIR
I
1500 7414
*
Signal Ground
001 " F
DC POWER PROFILE 0 .9
t.2 0 .8
1. 1 JU - 465475 1.0
0 .7
I
12v VOLTS
JU-455 DC 1· 12V
TYPICAL CURRENT REQUIRMENTS lAMPS)
DC
0 .9
DC.5V
0 .6
TYPICAL CURRENT REOUIRMENTS lAMPS)
DC 15V VOLTS
O.B 0 .7
0 .5 0 .6 0 .5
r------,
0 .4
I
- - - -"'"l- _ _ _
I I
-------,
,I I
S--- :
___ _
0 .4
I
I
______ .J
O.J
I
OJ
I
.----i 0 .2 0 .2 0. 1
/ 0
0 .1
POWER ON
0 .0 L _ _ _ _ _ _ _ _ _ _ _ _ _ _ __ MOTOR START
REAOING
SEEKING
WRITING
STANDBY
JU - 465475
MOTOR SETTLED ON STAAT TRACI( SPINDLE RUNNING IJ
4 .6
SEEKING WRITING STANDBY AT 3ms STEP RATE 4 .5
II PHYSICAL INTERFACE J2
DRIVE PCB
AMP PIN 172294-1
P1 CONNECTOR SCOTCH FLEX PIN 3463-0001 OR AMP PIN 583717-5
P2 CONNECTOR AMP PIN 1-480424-0
FRAME CONNECTOR AMP PIN 60972-1
FRAME GROUND AMP PIN 61761-2
5.6
2.9w
II MECHANICAL DIMENSIONS 1.77(45)
~
t:. ~ N
II>
co
~ 0
e (Front Plate Dimension)
1.63 (41 .5)
~ C!.
0.51 (13)
0.39 (10)
'"0
~
~
e
~
0
~
______
!~~::;::::1~I:~~~~==~~~~~~ RAMEGROUND -+--t--
(9)
INTERFACED CO
1.63 (41 .5) (Installation dimension)
Dimension to the PCB Pattern surface NOTE : x.xx±x.xx = in. (x .xx ± x.xx) mm
=
MECHANICAL DIMENSIONS For fu rther detai ls of ea ch M odel . please refer to the specifi cation sheet .
Panasonic
Specifica tions are subject to change w ithout notice
MSD 870 71 0 500 Pn ln ted In Japan
