
REV. 0
ADSP-2141L
–39–
PACKAGE DESCRIPTION
Package Details
The package shown below is a 208-lead metric quad flatpack. Measurements are listed in English and (metric). Because this package
is designed as a metric package, Analog Devices recommends that you use these measurements for any PCB layout.
OUTLINE DIMENSIONS
Dimensions shown in inches and (mm).
208-Lead Metric Plastic Quad Flatpack (MQFP)
(Nonhermetic)
1
208
157
156
105
104
53
52
(PINS DOWN)
0.020 (0.50)
BSC
LEAD PITCH
1.256 (31.40)
1.248 (31.20) SQ
1.240 (31.00)
1.124 (28.10)
1.120 (28.00) SQ
1.116 (27.90)
0.011 (0.27)
0.009 (0.22)
0.007 (0.17)
LEAD WIDTH
SEATING
PLANE
0.164 (4.10)
MAX
0.003 (0.08)
MAX LEAD
COPLANARITY
0.020 (0.50)
0.010 (0.25)
0.144 (3.59)
0.136 (3.39)
10
TYP
0.041 (1.03)
0.035 (0.88)
0.031 (0.78)
NOTE:
THE ACTUAL POSITION OF EACH LEAD IS WITHIN 0.003 (0.08) FROM ITS IDEAL
POSITION WHEN MEASURED IN THE LATERAL DIRECTION.
CENTER FIGURES ARE TYPICAL UNLESS OTHERWISE NOTED.
THE 208 LEAD MQFP IS A METRIC PACKAGE. ENGLISH DIMENSIONS PROVIDED
ARE APPROXIMATE AND MUST NOT BE USED FOR BOARD DESIGN PURPOSES
ORDERING GUIDE
Part Number
ADSP-2141LKS-N1
1
ADSP-2141LKS-E1
2
Ambient Temperature Range
0
°
C to +70
°
C
0
°
C to +70
°
C
Instruction Rate
Package Description
Package Option
40 MHz
40 MHz
208-Lead MQFP
208-Lead MQFP
S-208
S-208
NOTES
1
The
ADSP-2141LKS-N1 is an electrically equivalent, full function, production (non x-grade) version of the product described in this data sheet. (Full function =
Triple DES enabled, full 168-bit key length, full 2048-bit public key lengths, red keys allowed.)
2
The ADSP-2141LKS-E1 is an electrically equivalent, full function, production (non x-grade) version of the product described in this data sheet except for the following:
Encryption: DES only, with maximum 56-bit key length. Triple DES is disabled.
Public Key Algorithms: Public Key Algorithms limited to 1024-bit max modulus. Red keys not allowed in hardware crypto context.
C
P