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
L
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
0.335 BASIC
0.050 BASIC
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
D
E
c1
b2
c
b1
A1
A
DIM
0.510.41 0.016
8.51 BASIC
0.18
17.15
---
0.66
0.18
0.41
---
---
0.46
17.27
0.28
0.670
0.007
0.81
0.30
0.48
0.007
0.026
0.016
MILLIMETERS
MIN. NOM.
2.08
3.25
---
---
3.51
MAX. MIN.
---
3.76
0.082
0.128
0.305
0.040---
0.300
0.020
0.032
0.019
0.012
0.680
0.011
0.675
---
0.018
---
---
MAX.
0.148
---
NOM.
---
0.138
---
INCHES
2. DIMENSION D DOES NOT INCLUDE MOLD PROTRUSION.
DIMENSION E1 DOES NOT INCLUDE INTERLEAD PROTRUSION.
MOLD PROTRUSION SHALL NOT EXCEED 0.006"(0.15mm) PER SIDE.
INTERLEAD PROTRUSION SHALL NOT EXCEED 0.01"(0.25mm) PER SIDE.
1. CONTROLLING DIMENSION : INCHES
NOTE:
3. DIMENSION b2 DOES NOT INCLUDE DAMBAR PROTRUSION OR
TO LESS THAN 0.001"(0.025mm) BELOW b2 MIN.
DAMBAR INTRUSION SHALL NOT REDUCE THE SHOULDER WIDTH
SHOULDER WIDTH TO EXCEED b2 MAX BY MORE THAN 0.005"(0.127mm)
INTRUSION. DAMBAR PROTRUSION SHALL NOT CAUSE THE
1 6 8 13
A2
A2 2.54 REF. 0.100 REF.
