Ordering information
Part Number
Access time
50 ns
Package
AD404M42VSA-5
AD404M42VSA-6
AD404M42VTA-5
AD404M42VTA-6
60 ns
50 ns
60 ns
300mil 26/24-Pin
Plastic SOJ
TSOP II
AD404M42VSA-5
• AD
• 40
• 4M4
• 2
• Ascend Memory Product
• Device Type
• Density and Organization
• Refresh Rate, 2: 2K Refresh
• T: 5V, V: 3.3V
• V
• S
• Package Type (S : SOJ, T : TSOP II)
• Version
• A
• 5
• Speed (5: 50 ns, 6: 60 ns)
Packaging information
• 300 mil, 26/24-Pin Plastic SOJ
D
b
MILLIMETERS
INCHES
DIM
A
26
21
19
14
b1
MIN. NOM. MAX. MIN.
NOM. MAX.
3.25
3.51
---
3.76 0.128 0.138 0.148
---
A1 2.08
0.082
---
---
c1
c
A2
2.54 REF.
0.100 REF.
E1
E
b
0.41 ---
0.51 0.016
---
0.020
BASE METAL
b1
b2
c
0.41
0.66
0.18
0.18
0.46
---
0.48 0.016 0.018 0.019
WITH PLATING
0.81 0.026
0.30 0.007
0.28 0.007
---
---
---
0.032
---
0.012
0.011
1
6
8
13
SECTION B-B
c1
D
E
---
17.02 17.15 17.27 0.670 0.675 0.680
8.51 BASIC
0.335 BASIC
7.75 0.295 0.300 0.305
0.267 BASIC
E1
E2
e
7.49 7.62
C
L
6.78 BASIC
1.27 BASIC
---
0.050 BASIC
R1 0.76
1.02 0.030
---
0.040
0.025" MIN.
A2
B
A
B
A1
NOTE:
1. CONTROLLING DIMENSION : INCHES
2. DIMENSION D DOES NOT INCLUDE MOLD PROTRUSION.
MOLD PROTRUSION SHALL NOT EXCEED 0.006"(0.15mm) PER SIDE.
DIMENSION E1 DOES NOT INCLUDE INTERLEAD PROTRUSION.
E2
RAD R1
e
0.004"
SEATING PLANE
b2
4-e
b
M
INTERLEAD PROTRUSION SHALL NOT EXCEED 0.01"(0.25mm) PER SIDE.
0.007"
3. DIMENSION b2 DOES NOT INCLUDE DAMBAR PROTRUSION OR
INTRUSION. DAMBAR PROTRUSION SHALL NOT CAUSE THE
SHOULDER WIDTH TO EXCEED b2 MAX BY MORE THAN 0.005"(0.127mm)
DAMBAR INTRUSION SHALL NOT REDUCE THE SHOULDER WIDTH
TO LESS THAN 0.001"(0.025mm) BELOW b2 MIN.
Rev.1
Page27
ETC [ ETC ]
