TheTTL - Al Kossow's Bitsavers

ORDERING INFORMATION
II
PROM NUMBERING SYSTEM AND ORDERING INSTRUCTIONS
To complement Texas Instruments continually expanding line of bipolar PROMs, a new numbering system is
being implemented. This system provides the user with information regarding the generic programming family,
bit density, organization, temperature range, and the size and type of package without the necessity of looking
up this information in tables. Below is a guide for use of this new numbering system.
Factory orders for PROMs described in this book should include a type number as explained in the following
example.
These two digits
comprise the
series designation
EXAMPLE:
TBP
SA
prefix------------T..J
TBP = standard prefix
MBP = MACH IV
SNM processing
CPB = MIL-STD-883B
Military
vendor-equivalent
Product
SNC processing
Versions t
JBP JEDEC standard
MIL-STD-883B
SNJ processing
tSee TI publication CB233A for detailed
explanation and 'processing flow diagrams.
Generic Programming Family --------'
Output Word Width
Output Type---_____________ --J
S standard three-state
low-power three-state
R registered three-state
SA standard open-collector
LA low-power open-collector
RA registered open-collector
SR shadow register
8
6 M J
L Package Type
J,JT,JW = ceramic dual-in-line
N,NT,NW = plastic dual-in-line
FK
FN
'-----Temperature Range
= ceramic chip carrier
= plastic chip carrier
No designator (commercial) O°C to 70°C
'------- Package Size t
Row Spacing in
Inches (Millimeters)
No. of 0.300 0.400 0.600
Pins
16
18
20
22
24
28
40
(7,62) (10,16) (15,24)
o
1
2
3 4
6
7
8
M - 55°C to 125°C
f Package-size designation is not applicable with chip
carrier (FE or FN), and should be replaced with the
letter X for this package type.
Bit Complexity -------------------'
03 = 256 bits
1 = 1,024 bits
2 = 2,048 bits
4 = 4,096 bits
8 = 8,192 bits
16 = 16,384 bits
32 = 32,768 bits
1-18
TEXAS ..
INSTRUMENTS
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