or product names are trademarks or registered trademarks of their respective holders. The specifications and information herein are subject to change without notice.
www.latticesemi.com
1
pkg_5.4
Package Diagrams
16-Ball WLCS Package Option 2: iCE40 UltraLite
TM
Dimensions in Millimeters
(4X)
aaa
BOTTOM VIEW
ddd M C A B
eee M C
TOP VIEW
A
ccc C
C
SIDE VIEW
A
1
NOTES:
1. ALL DIMENSIONS AND TOLERANCE PER ASME Y 14.5M - 1994.
2. ALL DIMENSIONS ARE IN MILLIMETERS.
3
DIMENSION “b” IS MEASURES AT THE MAXIMUM BUMP DIAMETER
PARALLEL TO PRIMARY DATUM C.
PRIMARY DATUM C AND SEATING PLANE ARE DEFINED BY THE
SPHERICAL CROWNS OF THE SOLDER BUMPS.
BILATERAL TOLERANCE ZONE IS APPLIED TO EACH SIDE OF THE
PACKAGE BODY.
4
5
2
Package Diagrams
20-Pin (300-Mil) CERDIP Package
Dimensions in Inches
(DATUM A)
B
N/2
1
4
E
E1
TOP VIEW
N
e/2
DETAIL A
D
4
E3
E
A
A2
A
(DATUM B)
BASE PLANE
C
SEATING PLANE
A1
SIDE VIEW
b2
b
.010 M
C A B
Z
Z
e
L
7
c
E2
b1
WITH
LEAD FINISH
c1
(c)
4X
b3
(b)
BASE METAL
DETAIL A
SECTION Z-Z
S
Y
M
B
O
L
3
NOTES:
1.
DIMENSIONING AND TOLERANCING PER
ANSI Y14.5M.
ALL DIMENSIONS ARE IN INCHES.
MEASUREMENTS TO BE TAKEN AT A MINIMUM OF
.060 INCHES FROM THE LEAD TIP.
DIMENSIONS D AND E1 INCLUDE ALLOWANCE FOR GLASS
OVERRUN AND MENISCUS, AND LID TO BASE MISMATCH.
DIMENSIONS A, A1 AND L ARE MEASURED WITH THE
PACKAGE SEATED IN JEDEC SEATING PLANE GAUGE GS-003.
E3 IS TO BE MEASURED AT THE LEAD TIPS.
ALLOWED LEAD TIP POSITION RANGE.
INCHES
MIN. NOM.
-
-
-
.015
-
.140
-
.015
.015 .018
-
.045
-
.023
-
.008
.008 .010
.942 .950
-
.308
.280 .288
.300 REF
.325
-
.100 BSC
.125
-
20
MAX.
.200
-
.175
.023
.021
.065
.045
.014
.012
.970
.325
.296
.410
.200
A
2.
3.
4.
5.
6.
7.
A1
A2
b
b1
b2
b3
c
c1
D
E
E1
E2
E3
e
L
N
3
Package Diagrams
20-Pin LCC Package
Dimensions in Inches
TOP VIEW
D4
D2
.010
.020
X 45
E2
.030
E4
4
X 45
.050
(3 PLACES)
L (19 PLACES)
BOTTOM VIEW
A1
A
B
3
E
e
.030
.050
RADIUS
(TYPICAL)
L1
D
3
SIDE VIEW
A2
NOTES:
1.
DIMENSIONING AND TOLERANCING PER
ANSI Y14.5.
ALL DIMENSIONS ARE IN INCHES.
DIMENSIONS D AND E MAY HAVE MATERIAL PROTRUSION
OF .010 INCHES MAXIMUM ABOVE THE DIMENSION SHOWN
NOT TO EXCEED .005 INCHES MAXIMUM PER SIDE.
FLATNESS TOLERANCE IS .004 INCHES PER INCH.
S
Y
M
B
O
L
INCHES
MIN.
.054
.064
.007
.022
.342
.200
.270
.342
.200
.270
.315
.050 BSC
.058
.042
.095
.075
.315
.358
MAX.
.074
.089
.015
.028
.358
2.
3.
4.
A
A1
A2
B
D
D2
D4
E
E2
E4
e
L
L1
4
Package Diagrams
20-Pin PLCC Package
Dimensions in Inches
.007
S
H A-B
S
D S
D
D1
-A-B-
.007
.002
6
BOTTOM VIEW
3
S H A-B
A-B S
S D S
TOP VIEW
-D-
4
PIN 1 ID ZONE
2
1
20
D3
-D-
7
6
E E1
-A-
4
D3
-B-
4
7
E3
E3
7
//
.007
.002
S
S H A-B
A-B S
H A-B
S
S D S
.007
S
Y
M
B
O
L
D S
0.050
(N-4PLACES)
A
A1
A2
D
D1
D2
D3
E
E1
E2
E3
N
MIN. NOM. MAX.
.165
.090
.062
.385
.350
.141
.385
.350
.141
.172
.105
-
.390
.353
.155
.075
.390
.353
.155
.075
20
.180
.120
.083
.395
.356
.169
.395
.356
.169
DETAIL "J"
D/E
.021
.013
.0125
.0075
.018
.013
.0105
.0075
SIDE VIEW
8
A
-H-
A1
A2
3
8
-C-
SEATING PLANE
D2/E2
5
.004
A A
D2/E2
5
C
SECTION A-A
.020
(MIN)
NOTES:
1.
2.
3
ALL DIMENSIONS AND TOLERANCES CONFORM TO ANSI Y14.5M-1982
ALL DIMENSIONS IN INCHES
DATUM PLANE -H-
LOCATED AT TOP OF MOLD PARTING LINE AND
COINCIDENT WITH TOP OF LEAD WHERE LEAD EXITS PLASTIC BODY
DATUMS A-B AND -D-
TO BE DETERMINED WHERE CENTER LEADS
EXIT PLASTIC BODY AT DATUM PLANE -H-
TO BE MEASURED AT SEATING PLANE -C-
CONTACT POINT
-A-B-
-D-
4
.032
.026
.045 MIN.
.007
S
H A-B
S
D S
5
6
DIMENSIONS D1 AND E1 DO NOT INCLUDE MOLD PROTRUSION.
ALLOWABLE PROTRUSION IS .010 PER SIDE.
-H- ; BOTTOM POINT OF
TOP POINT OF MEASUREMENT IS DATUM
MEASUREMENT IS AT MAJOR FLAT AREA OF LOWER PLASTIC SURFACE
Experience in IC or POS development, or no experience but like to study, good at communication, and serious about work. Familiar with C language, VS is a plus, familiar with serial port programming, T...
[i=s]This post was last edited by Wuzu Simeng on 2022-11-8 22:19[/i]The Metaverse company announced today that it is entering a layoff period, and it seems that more than half of the employees are aff...
[i=s]This post was last edited by jameswangsynnex on 2015-3-3 20:02[/i]What is the reason for the current segmentation of the set-top box market in China? Is the main reason why the machine and card c...
Dear friends, I am now troubled by the hardware flow control of serial communication between PC and MCU. Because I want to ensure that no data is lost, I want to use hardware flow control. I have trie...
At present, the development of wireless power supply technology for electric vehicles (EVs) is becoming more and more active. In 2012, Volvo of Sweden established Volvo Technology Japan in Tokyo as...[Details]
Today's computer peripherals are pursuing high speed and high versatility. In order to meet user needs, seven companies led by Intel launched the USB (Universal Serial Bus) bus protocol in 1994, wh...[Details]
Automotive applications are particularly sensitive to EMI events, which are unavoidable in a noisy electrical environment consisting of a central battery, bundled wiring harnesses, various inductiv...[Details]
In this article, the high-performance DSP developed by TI can be used as an effective confidentiality method if it is applied to PC encryption cards.
As an effective network security solution,...[Details]
In order to highlight the concept of "energy saving and environmental protection" of intelligent buildings, solar street lights are designed for intelligent communities. The inclination and capacit...[Details]
As cellular phones become more advanced, the power consumption of the system during operation and the power consumption during standby are also increasing. Therefore, the power management design of...[Details]
Introduction
Power subsystems are becoming more and more integrated into the overall system. Power systems have moved from being separate "essential dangerous devices" to being monitorable...[Details]
The solidification and modularization of intelligent video analysis algorithms are the current trends in the application of intelligent video analysis technology. It perfectly combines intelligent ...[Details]
Although it is relatively easy to check the stability of a simple amplifier at lower frequencies, it may be much more difficult to evaluate the stability of a more complex circuit. This artic...[Details]
We know that microcontroller development tools generally include real-time online emulators and programmers. Among them, online emulators are very good tools, but they are also more expensive...[Details]
Contact resistance
is the resistance to current flow through a closed pair of contacts. This type of measurement is performed on devices such as connectors,
relays
, and switches. The...[Details]
A standard cell
is an electrochemical
cell
used as a voltage reference standard in many electrical standards laboratories
. If properly maintained, standard cells are very stable. The ...[Details]
1 Introduction to HART Protocol
HART (Highway Addressable Remote Transducer), an open communication protocol for addressable remote sensor high-speed channels, was launched by Rosemen in the U...[Details]
The automotive lighting and signal control system is responsible for controlling the vehicle's lighting, signal lights, electric horns, reversing and brake buzzers. Traditional automotive lighting...[Details]
With the rapid development of intelligent control technology, computers and information technology, the trend of information appliances IA (Information Application), computers and communications integ...[Details]
Industrial Control Electronics
京公网安备 11010802033920号
EEWORLD
