TM4100EAD9
4194304 BY 9-BIT
DYNAMIC RAM MODULE
SMMS419C – NOVEMBER 1991 – REVISED JUNE 1995
Organization . . . 4194304 × 9
SINGLE IN-LINE MODULE
(TOP VIEW)
Single 5-V Power Supply (±10% Tolerance)
30-Pin Single In-Line Memory Module
(SIMM) for Use With Sockets
Utilizes Nine 4-Megabit Dynamic RAMs in
Plastic Small-Outline J-Lead Packages
(SOJs)
V
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
CC
CAS
DQ1
A0
Long Refresh Period
16 ms (1024 Cycles)
A1
DQ2
A2
All Inputs, Outputs, and Clocks Fully TTL
Compatible
A3
SS
V
DQ3
A4
3-State Outputs
Performance Ranges:
A5
DQ4
A6
ACCESS ACCESS ACCESS READ
TIME
(t
TIME
TIME
(t
OR
A7
)
(t
CAC)
)
WRITE
CYCLE
(MIN)
RAC
AA
DQ5
A8
A9
(MAX)
’4100EAD9-60 60 ns
’4100EAD9-70 70 ns
’4100EAD9-80 80 ns
(MAX)
15 ns
18 ns
20 ns
(MAX)
30 ns
35 ns
40 ns
A10
DQ6
W
V
DQ7
NC
110 ns
130 ns
150 ns
SS
Common CAS Control for Eight Common
Data-In and Data-Out Lines
DQ8
Q9
Separate CAS Control for One Separate
Pair of Data-In and Data-Out Lines
RAS
CAS9
D9
Low Power Dissipation
V
CC
Operating Free-Air Temperature Range
0°C to 70°C
description
The TM4100EAD9 is a dynamic random-access
memory module organized as 4194304 × 9 [bit
nine (D9, Q9) is generally used for parity and is
controlled by CAS9] in a 30-pin leadless single
in-line memory module (SIMM).
PIN NOMENCLATURE
A0–A10
Address Inputs
CAS, CAS9
DQ1–DQ8
D9
Column-Address Strobe
Data In/Data Out
Data In
This module is composed of nine TMS44100DJ,
4194304 × 1-bit dynamic RAMs (DRAMs) each in
a 20/26-lead plastic small-outline J-lead package
(SOJ) mounted on a substrate with decoupling
capacitors.
NC
No Internal Connection
Data Out
Q9
RAS
Row-Address Strobe
5-V Supply
V
V
CC
Ground
SS
W
Write Enable
The TM4100EAD9 is characterized for operation
from 0°C to 70°C and is available in the AD
single-sided, leadless module for use with
sockets.
Copyright 1995, Texas Instruments Incorporated
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
1
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