IS61C256AL Integrated Silicon Solution, Inc., IS61C256AL Datasheet - Page 12

• Manufacturer Part Number: IS61C256AL
• Description: 32k X 8 High-speed Cmos Static Ram
• Manufacturer: Integrated Silicon Solution, Inc.

PACKAGING INFORMATION
Plastic TSOP - 28-pins
Package Code: T (Type I)
Integrated Silicon Solution, Inc.
PK13197T28
Rev. B 01/31/97
No. Leads
S
Ref. Std.
Symbol
A1
A
B
C
D
E
H
e
L
11.70
13.20
1.00
0.05
0.16
0.10
7.90
0.30
Min
Plastic TSOP (T—Type I)
0
Millimeters
0.55 BSC
e
11.90
13.60
Max
1.20
0.20
0.27
0.20
8.10
0.70
N
1
5
D
28
0.037
0.002
0.006
0.004
0.308
0.456
0.515
0.011
Min
0.022 BSC
0
B
Inches
0.047
0.008
0.011
0.008
0.316
0.465
0.531
0.027
Max
5
E
A
A1
H
Notes:
1. Controlling dimension: millimeters, unless otherwise specified.
2. BSC = Basic lead spacing between centers.
3. Dimensions D and E do not include mold flash protrusions and
4. Formed leads shall be planar with respect to one another within
SEATING PLANE
should be measured from the bottom of the package
0.004 inches at the seating plane.
L
C
.
ISSI
®