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Rev.1
Page 27
Ordering information
AD404M42VSA-5
AD
Ascend Memory Product
40
Device Type
4M4
Density and Organization
2
Refresh Rate, 2: 2K Refresh
V
T: 5V, V: 3.3V
S
Package Type (S : SOJ, T : TSOP II)
A
Version
5
Speed (5: 50 ns, 6: 60 ns)
Part Number
Access time
Package
AD404M42VSA-5
AD404M42VSA-6
AD404M42VTA-5
AD404M42VTA-6
50 ns
60 ns
50 ns
60 ns
300mil 26/24-Pin
Plastic SOJ
TSOP II
Packaging information
300 mil, 26/24-Pin Plastic SOJ
SEATING PLANE
4-e
e
b
b2
0.007"M
C
0.025" MIN.
0.004"
SECTION B-B
E2
A
RAD R1
A1
B
B
D
26
21
E
E1
19
14
BASE METAL
WITH PLATING
c1 c
b1
b
0.267 BASIC
0.050 BASIC
---
0.335 BASIC
0.300
R1
e
E1
E2
6.78 BASIC
1.27 BASIC
---
0.76
7.49
7.62
1.02
0.030
7.75
0.295
17.02
b
b1
D
E
c1
b2
c
A1
A2
A
DIM
0.51
0.48
0.41
0.41
0.016
0.016
8.51 BASIC
0.18
17.15
---
0.66
0.18
---
---
0.46
17.27
0.28
0.670
0.007
0.81
0.30
0.007
0.026
MILLIMETERS
MIN.
NOM.
3.25
---
2.54 REF.
2.08
---
3.51
MAX.
3.76
MIN.
0.128
---
0.082
0.305
0.040
0.020
0.019
0.032
0.012
0.011
0.680
0.675
---
0.018
---
---
MAX.
0.148
---
NOM.
0.138
---
---
INCHES
2.MOLD PROTRUSION SHALL NOT EXCEED 0.006"(0.15mm) PER SIDE.
DIMENSION E1 DOES NOT INCLUDE INTERLEAD PROTRUSION.
INTERLEAD PROTRUSION SHALL NOT EXCEED 0.01"(0.25mm) PER SIDE.
3.INTRUSION. DAMBAR PROTRUSION SHALL NOT CAUSE THE
1. CONTROLLING DIMENSION : INCHES
TO LESS THAN 0.001"(0.025mm) BELOW b2 MIN.
SHOULDER WIDTH TO EXCEED b2 MAX BY MORE THAN 0.005"(0.127mm)
1
6
8
13
A2
0.100 REF.