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TMS417809 Datasheet

  • TMS417809

  • 2097152-WORD BY 8-BIT HIGH-SPEED DRAMS

  • 28頁

  • TI

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TMS416809, TMS417809
2097152-WORD BY 8-BIT HIGH-SPEED DRAMS
SMKS885A 鈥?DECEMBER 1995 鈥?REVISED MARCH 1996
D
D
D
Organization . . . 2 097 152
脳
8
Single 5 V Power Supply (鹵10% Tolerance)
Performance Ranges:
ACCESS ACCESS ACCESS
TIME
TIME
TIME
tRAC
tCAC
tAA
MAX
MAX
MAX
60 ns
15 ns
30 ns
70 ns
18 ns
35 ns
80 ns
20 ns
40 ns
EDO
CYCLE
tHPC
MIN
25 ns
30 ns
35 ns
DZ PACKAGE
( TOP VIEW )
D
D
D
D
D
D
鈥?1x809-60
鈥?1x809-70
鈥?1x809-80
Extended Data Out (EDO) Operation
CAS-Before-RAS ( CBR) Refresh
High-Impedance State Unlatched Output
High-Reliability Plastic 28-Lead (DZ Suffix)
400-Mil-Wide Surface-Mount Small-Outline
J-Lead (SOJ) Package
Operating Free-Air Temperature Range
0擄C to 70擄C
Fabricated Using Enhanced Performance
Implanted CMOS (EPIC
鈩?/div>
) Technology by
Texas Instruments (TI
鈩?/div>
)
AVAILABLE OPTIONS
DEVICE
POWER
SUPPLY
5V
5V
REFRESH
CYCLES
4 096 in 64 ms
2 048 in 32 ms
V
CC
DQ0
DQ1
DQ2
DQ3
W
RAS
A11
鈥?/div>
A10
A0
A1
A2
A3
V
CC
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28
27
26
25
24
23
22
21
20
19
18
17
16
15
V
SS
DQ7
DQ6
DQ5
DQ4
CAS
OE
A9
A8
A7
A6
A5
A4
V
SS
鈥?A11 is NC (no internal connection) for TMS417809.
PIN NOMENCLATURE
A0 鈥?A11
DQ0 鈥?DQ7
CAS
NC
OE
RAS
VCC
VSS
W
Address Inputs
Data In / Data Out
Column-Address Strobe
No Internal Connection
Output Enable
Row-Address Strobe
5 V Supply鈥?/div>
Ground
Write Enable
TMS416809
TMS417809
description
The TMS41x809 series is a set of high-speed,
16 777 216-bit dynamic random-access memo-
ries (DRAMs) organized as 2 097 152 words of
eight bits each. It employs TI鈥檚 state-of-the-art
EPIC technology for high performance, reliability,
and low power.
These devices feature maximum RAS access
times of 60 ns, 70 ns, and 80 ns. All addresses and
data-in lines are latched on chip to simplify system
design. Data out is unlatched to allow greater
system flexibility.
The TMS41x809 is offered in a 28-lead plastic
surface-mount SOJ package (DZ suffix). This
package is characterized for operation from 0擄C
to 70擄C.
鈥?See Available Options Table.
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
EPIC and TI are trademarks of 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.
Copyright
漏
1996, Texas Instruments Incorporated
POST OFFICE BOX 1443
鈥?/div>
HOUSTON, TEXAS 77251鈥?443
1

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