TM248NBJ36U-80 [TI]

2MX36 FAST PAGE DRAM MODULE, 80ns, SMA72, SIMM-72;
TM248NBJ36U-80
型号: TM248NBJ36U-80
厂家: TEXAS INSTRUMENTS    TEXAS INSTRUMENTS
描述:

2MX36 FAST PAGE DRAM MODULE, 80ns, SMA72, SIMM-72

动态存储器 内存集成电路
文件: 总10页 (文件大小:159K)
中文:  中文翻译
下载:  下载PDF数据表文档文件
TM124MBJ36F, TM124MBJ36U 1048576 BY 36-BIT DYNAMIC RAM MODULE  
TM248NBJ36F, TM248NBJ36U 2097152 BY 36-BIT DYNAMIC RAM MODULE  
SMMS662 – MAY 1996  
Organization  
Presence Detect  
TM124MBJ36F . . . 1 048 576 × 36  
TM248NBJ36F . . . 2 097 152 × 36  
Performance Ranges:  
ACCESS ACCESS ACCESS READ  
TIME  
TIME  
TIME  
OR  
Single 5-V Power Supply (±10% Tolerance)  
t
t
t
WRITE  
CYCLE  
(MIN)  
RAC  
AA  
CAC  
72-Pin Single In-Line Memory Module  
(SIMM) for Use With Socket  
(MAX)  
’124MBJ36F-60 60 ns  
’124MBJ36F-70 70 ns  
’124MBJ36F-80 80 ns  
’248NBJ36F-60 60 ns  
’248NBJ36F-70 70 ns  
’248NBJ36F-80 80 ns  
(MAX)  
30 ns  
35 ns  
40 ns  
30 ns  
35 ns  
40 ns  
(MAX)  
15 ns  
18 ns  
20 ns  
15 ns  
18 ns  
20 ns  
110 ns  
130 ns  
150 ns  
110 ns  
130 ns  
150 ns  
TM124MBJ36F – Utilizes Two 16-Megabit  
and One 4-Megabit Dynamic  
Random-Access Memories (DRAMs) in  
Plastic Small-Outline J-Lead (SOJ)  
Packages  
TM248NBJ36F – Utilizes Four 16-Megabit  
and Two 4-Megabit DRAMs in Plastic SOJ  
Packages  
Low Power Dissipation  
Operating Free-Air Temperature Range  
0°C to 70°C  
Long Refresh Period . . . 16 ms  
(1024 Cycles)  
Gold-Tabbed Versions Available:  
– TM124MBJ36F  
– TM248NBJ36F  
All Inputs, Outputs, Clocks Fully  
TTL-Compatible  
Tin-Lead (Solder) Tabbed Versions  
Available:  
– TM124MBJ36U  
3-State Output  
Common CAS Control for Nine Common  
Data-In and Data-Out Lines in Four Blocks  
– TM248NBJ36U  
Enhanced Page-Mode Operation With  
CAS-Before-RAS (CBR), RAS-Only, and  
Hidden Refresh  
description  
TM124MBJ36F  
The TM124MBJ36F is a 4-MByte DRAM organized as four times 1048576 × 9 in a 72-pin SIMM. The SIMM  
is composed of two TMS418160DZ 1 048 576 × 16-bit DRAMs, each in a 42-lead plastic SOJ package, and  
one TMS44460DJ 1048576 × 4-bit DRAM in a 24/26-lead plastic SOJ package mounted on a substrate with  
decoupling capacitors. The TMS418160DZ and TMS44460DJ are described in the TMS418160 and  
TMS44460 data sheets, respectively. The TM124MBJ36F SIMM is available in the single-sided BJ leadless  
module for use with sockets.  
TM248NBJ36F  
The TM248NBJ36F is an 8-MByte DRAM organized as four times 2097152 × 9 in a 72-pin SIMM. The SIMM  
is composed of four TMS418160DZ 1 048 576 × 16-bit DRAMs, each in a 42-lead plastic SOJ package, and  
two TMS44460DJ 1048576 × 4-bit DRAMs, each in a 24/26-lead plastic SOJ package mounted on a substrate  
with decoupling capacitors. The TMS418160DZ and TMS44460DJ are described in the TMS418160 and  
TMS44460 data sheets, respectively. The TM248NBJ36F SIMM is available in the double-sided BJ leadless  
module for use with sockets.  
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.  
Part numbers in this data sheet are for the gold-tabbed version; the information applies to both gold-tabbed and solder-tabbed versions.  
Copyright 1996, 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
POST OFFICE BOX 1443 HOUSTON, TEXAS 77251–1443  
TM124MBJ36F, TM124MBJ36U 1048576 BY 36-BIT DYNAMIC RAM MODULE  
TM248NBJ36F, TM248NBJ36U 2097152 BY 36-BIT DYNAMIC RAM MODULE  
SMMS662 – MAY 1996  
BJ SINGLE IN-LINE MEMORY MODULE  
(TOP VIEW)  
TM124MBJ36F  
(SIDE VIEW)  
TM248NBJ36F  
(SIDE VIEW)  
V
1
2
3
4
SS  
DQ0  
DQ18  
DQ1  
DQ19  
DQ2  
5
6
DQ20  
DQ3  
7
8
DQ21  
9
V
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
22  
23  
24  
25  
26  
27  
28  
29  
30  
31  
32  
33  
34  
35  
36  
CC  
NC  
A0  
A1  
A2  
A3  
A4  
A5  
A6  
NC  
DQ4  
DQ22  
DQ5  
DQ23  
DQ6  
DQ24  
DQ7  
DQ25  
A7  
NC  
V
CC  
A8  
A9  
RAS3  
RAS2  
DQ26  
DQ8  
DQ17  
DQ35  
SS  
CAS0  
CAS2  
CAS3  
CAS1  
RAS0  
RAS1  
NC  
37  
38  
39  
40  
41  
42  
43  
44  
45  
46  
47  
48  
49  
50  
51  
52  
53  
54  
55  
56  
57  
58  
59  
60  
61  
62  
63  
64  
65  
66  
67  
68  
69  
70  
71  
72  
V
PIN NOMENCLATURE  
A0A9  
Address Inputs  
CAS0CAS3  
DQ0DQ35  
Column-Address Strobe  
Data In/Data Out  
No Connection  
Presence Detects  
Row-Address Strobe  
5-V Supply  
NC  
W
NC  
DQ9  
PD1PD4  
RAS0RAS3  
DQ27  
DQ10  
DQ28  
DQ11  
DQ29  
DQ12  
DQ30  
DQ13  
DQ31  
V
V
CC  
Ground  
SS  
W
Write Enable  
PRESENCE DETECT  
PD1 PD2  
V
CC  
SIGNAL  
(PIN)  
PD3  
(69)  
PD4  
(70)  
DQ32  
DQ14  
DQ33  
DQ15  
DQ34  
DQ16  
NC  
(67) (68)  
80 ns  
70 ns  
60 ns  
80 ns  
70 ns  
60 ns  
V
V
V
V
V
V
NC  
V
SS  
SS  
SS  
SS  
SS  
SS  
SS  
TM124MBJ36F  
TM248NBJ36F  
V
SS  
NC  
NC  
NC  
NC  
PD1  
PD2  
PD3  
PD4  
NC  
NC  
NC  
NC  
NC  
NC  
V
SS  
NC  
V
SS  
NC  
NC  
NC  
V
SS  
2
POST OFFICE BOX 1443 HOUSTON, TEXAS 77251–1443  
TM124MBJ36F, TM124MBJ36U 1048576 BY 36-BIT DYNAMIC RAM MODULE  
TM248NBJ36F, TM248NBJ36U 2097152 BY 36-BIT DYNAMIC RAM MODULE  
SMMS662 – MAY 1996  
operation  
The TM124MBJ36F operates as two TMS418160DZs and one TMS44460DJ connected as shown in the  
functional block diagram and Table 1. The TM248NBJ36F operates as four TMS418160DZs and two  
TMS44460DJs connected as shown in the functional block diagram and Table 1. The common I/O feature  
dictates the use of early write cycles to prevent contention on D and Q.  
Table 1. Connection Table  
RASx  
DATA BLOCK  
CASx  
SIDE 1  
SIDE 2  
DQ0DQ7  
DQ8  
RAS0  
RAS2  
RAS1  
RAS3  
CAS0  
CAS0  
DQ9DQ16  
DQ17  
RAS0  
RAS2  
RAS1  
RAS3  
CAS1  
CAS1  
DQ18DQ25  
DQ26  
CAS2  
CAS2  
RAS2  
RAS2  
RAS3  
RAS3  
DQ27DQ34  
DQ35  
CAS3  
CAS3  
Side 2 applies to the TM248NBJ36F.  
single in-line memory module and components  
PC substrate: 1,27 ± 0,1 mm (0.05 inch) nominal thickness; 0.005 inch/inch maximum warpage  
Bypass capacitors: Multilayer ceramic  
Contact area for TM124MBJ36F and TM248NBJ36F: Nickel plate and gold plate over copper  
Contact area for TM124MBJ36U and TM248NBJ36U: Nickel plate and tin/lead over copper  
3
POST OFFICE BOX 1443 HOUSTON, TEXAS 77251–1443  
TM124MBJ36F, TM124MBJ36U 1048576 BY 36-BIT DYNAMIC RAM MODULE  
TM248NBJ36F, TM248NBJ36U 2097152 BY 36-BIT DYNAMIC RAM MODULE  
SMMS662 – MAY 1996  
functional block diagram [TM124MBJ36F and TM248NBJ36F, side 1]  
10  
A0A9  
RAS0  
W
1M × 16  
1M × 16  
10  
10  
10  
8
8
8
8
A0A9  
DQ0–  
DQ7  
A0A9  
DQ0–  
DQ7  
DQ9DQ16  
DQ0DQ7  
DQ27DQ34  
DQ18DQ25  
RAS  
W
RAS  
W
CAS1  
CAS0  
CAS3  
CAS2  
LCAS  
UCAS  
DQ8–  
DQ15  
LCAS  
UCAS  
DQ8–  
DQ15  
1M × 4  
A0A9  
RAS  
DQ1  
DQ2  
DQ3  
DQ4  
DQ26  
DQ8  
DQ17  
DQ35  
W
CAS2  
CAS0  
CAS1  
CAS3  
CAS1  
CAS2  
CAS3  
CAS4  
functional block diagram [TM248NBJ36F, side 2]  
10  
A0A9  
RAS1  
W
1M × 16  
1M × 16  
10  
10  
10  
8
8
8
A0A9  
DQ0–  
DQ7  
A0A9  
RAS  
DQ0–  
DQ7  
DQ0DQ7  
DQ18DQ25  
RAS  
W
W
8
CAS2  
CAS3  
LCAS  
UCAS  
DQ8–  
DQ15  
LCAS  
UCAS  
DQ8–  
DQ15  
CAS0  
CAS1  
DQ9DQ16  
DQ27DQ34  
1M × 4  
A0A9  
RAS  
DQ1  
DQ2  
DQ3  
DQ4  
DQ35  
DQ17  
DQ8  
W
CAS3  
CAS1  
CAS0  
CAS2  
CAS1  
CAS2  
CAS3  
CAS4  
DQ26  
4
POST OFFICE BOX 1443 HOUSTON, TEXAS 77251–1443  
TM124MBJ36F, TM124MBJ36U 1048576 BY 36-BIT DYNAMIC RAM MODULE  
TM248NBJ36F, TM248NBJ36U 2097152 BY 36-BIT DYNAMIC RAM MODULE  
SMMS662 – MAY 1996  
absolute maximum ratings over operating free-air temperature (unless otherwise noted)  
Supply voltage range, V  
(see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . – 1 V to 7 V  
CC  
Voltage range on any pin (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . – 1 V to 7 V  
Short-circuit output current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 mA  
Power dissipation  
TM124MBJ36F, TM124MBJ36U . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 W  
TM248NBJ36F, TM248NBJ36U . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 W  
Operating free-air temperature range, T  
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0°C to 70°C  
A
Storage temperature range, T  
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . – 55°C to 125°C  
stg  
Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and  
functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not  
implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.  
NOTE 1: All voltage values are with respect to V  
.
SS  
recommended operating conditions  
MIN NOM  
MAX  
5.5  
6.5  
0.8  
70  
UNIT  
V
V
V
V
Supply voltage  
4.5  
2.4  
– 1  
0
5
CC  
IH  
IL  
High-level input voltage  
V
Low-level input voltage (see Note 2)  
Operating free-air temperature  
V
T
A
°C  
NOTE 2: The algebraic convention, where the more negative (less positive) limit is designated as minimum, is used for logic voltage levels only.  
electrical characteristics over recommended ranges of supply voltage and operating free-air  
temperature (unless otherwise noted)  
’124MBJ36F-60 ’124MBJ36F-70 ’124MBJ36F-80  
PARAMETER  
TEST CONDITIONS  
UNIT  
MIN  
MAX  
MIN  
MAX  
MIN  
MAX  
V
V
High-level output voltage  
Low-level output voltage  
I
I
= – 5 mA  
= 4.2 mA  
2.4  
2.4  
2.4  
V
V
OH  
OH  
0.4  
0.4  
0.4  
OL  
OL  
V
= 5.5 V, V = 0 V to 6.5 V,  
I
CC  
All other pins = 0 V to V  
I
I
I
Input current (leakage)  
± 10  
± 10  
± 10  
µA  
I
CC  
V
V
= 5.5 V,  
CC  
= 0 V to V ,  
CC  
Output current (leakage)  
± 10  
485  
6
± 10  
450  
6
± 10  
420  
6
µA  
O
O
CAS high  
Read- or write-cycle  
current  
V
V
= 5.5 V, Minimum cycle  
mA  
mA  
CC1  
CC  
= 2.4 V (TTL),  
IH  
After 1 memory cycle,  
RAS and CAS high  
I
Standby current  
CC2  
V
IH  
= V  
– 0.2 V (CMOS),  
CC  
After 1 memory cycle,  
RAS and CAS high  
3
3
3
mA  
V
= 5.5 V, Minimum cycle,  
CC  
Average refresh current  
(RAS only or CBR)  
RAS cycling,  
I
I
485  
270  
450  
240  
420  
210  
mA  
mA  
CC3  
CAS high (RAS only);  
RAS low after CAS low (CBR)  
V
= 5.5 V,  
t
= MIN,  
CC  
RAS low,  
PC  
CAS cycling  
Average page current  
CC4  
5
POST OFFICE BOX 1443 HOUSTON, TEXAS 77251–1443  
TM124MBJ36F, TM124MBJ36U 1048576 BY 36-BIT DYNAMIC RAM MODULE  
TM248NBJ36F, TM248NBJ36U 2097152 BY 36-BIT DYNAMIC RAM MODULE  
SMMS662 – MAY 1996  
electrical characteristics over recommended ranges of supply voltage and operating free-air  
temperature (unless otherwise noted)  
’248NBJ36F-60 ’248NBJ36F-70 ’248NBJ36F-80  
PARAMETER  
TEST CONDITIONS  
UNIT  
MIN  
MAX  
MIN  
MAX  
MIN  
MAX  
High-level output  
voltage  
V
V
I
I
= – 5 mA  
2.4  
2.4  
2.4  
V
V
OH  
OH  
Low-level output  
voltage  
= 4.2 mA  
0.4  
± 10  
± 20  
491  
0.4  
± 10  
± 20  
456  
0.4  
± 10  
± 20  
426  
OL  
OL  
Input current  
(leakage)  
V
= 5.5 V,  
V = 0 V to 6.5 V,  
I
CC  
All other pins = 0 V to V  
I
I
I
µA  
µA  
mA  
I
CC  
Output current  
(leakage)  
V
V
= 5.5 V,  
CC  
= 0 V to V , CAS high  
O
O
CC  
Read- or write-cycle  
current (see Note 3)  
V
= 5.5 V,  
Minimum cycle  
CC1  
CC  
V
IH  
= 2.4 V (TTL),  
After 1 memory cycle,  
RAS and CAS high  
12  
6
12  
6
12  
6
mA  
mA  
I
Standby current  
CC2  
V
IH  
= V  
– 0.2 V (CMOS),  
CC  
After 1 memory cycle,  
RAS and CAS high  
V
= 5.5 V,  
Minimum cycle,  
CC  
RAS cycling,  
Average refresh  
current (RAS only or  
CBR) (see Note 3)  
I
I
970  
276  
900  
246  
840  
216  
mA  
mA  
CC3  
CAS high (RAS only);  
RAS low after CAS low (CBR)  
V
= 5.5 V,  
t
= MIN,  
Average page current  
(see Note 4)  
CC  
RAS low,  
PC  
CAS cycling  
CC4  
For test conditions shown as MIN/MAX, use the appropriate value specified under recommended operating conditions.  
NOTES: 3. Measured with a maximum of one address change while RAS = V  
IL  
4. Measured with a maximum of one address change while CAS = V  
IH  
capacitance over recommended ranges of supply voltage and operating free-air temperature,  
f = 1 MHz (see Note 5)  
’124MBJ36F  
’248NBJ36F  
PARAMETER  
UNIT  
MIN  
MAX  
22  
MIN  
MAX  
37  
C
C
C
C
C
Input capacitance, address inputs  
pF  
pF  
pF  
pF  
pF  
i(A)  
Input capacitance, RAS inputs  
Input capacitance, CAS inputs  
Input capacitance, write-enable input  
Output capacitance on DQ pins  
17  
17  
i(R)  
19  
33  
i(C)  
28  
49  
i(W)  
o(DQ)  
10  
17  
NOTE 5: Bias on pins under test is 0 V.  
6
POST OFFICE BOX 1443 HOUSTON, TEXAS 77251–1443  
TM124MBJ36F, TM124MBJ36U 1048576 BY 36-BIT DYNAMIC RAM MODULE  
TM248NBJ36F, TM248NBJ36U 2097152 BY 36-BIT DYNAMIC RAM MODULE  
SMMS662 – MAY 1996  
switching characteristics over recommended ranges of supply voltage and operating free-air  
temperature  
’124MBJ36F-60 ’124MBJ36F-70 ’124MBJ36F-80  
’248NBJ36F-60 ’248NBJ36F-70 ’248NBJ36F-80  
PARAMETER  
UNIT  
MIN  
MAX  
30  
MIN  
MAX  
35  
MIN  
MAX  
40  
t
t
t
t
t
t
t
Access time from column address  
Access time from CAS low  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
AA  
15  
18  
20  
CAC  
RAC  
CPA  
CLZ  
OH  
Access time from RAS low  
60  
70  
80  
Access time from column precharge  
CAS to output in low-impedance state  
Output disable time from start of CAS high  
Output disable time after CAS high (see Note 6)  
35  
40  
45  
0
3
0
0
3
0
0
3
0
15  
18  
20  
OFF  
NOTE 6:  
t
is specified when the output is no longer driven.  
OFF  
timing requirements over recommended ranges of supply voltage and operating free-air  
temperature  
’124MBJ36F-60 ’124MBJ36F-70 ’124MBJ36F-80  
’248NBJ36F-60 ’248NBJ36F-70 ’248NBJ36F-80  
UNIT  
MIN  
110  
40  
MAX  
MIN  
130  
45  
MAX  
MIN  
150  
50  
MAX  
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
Cycle time, random read or write (see Note 7)  
Cycle time, page-mode read or write (see Notes 7 and 8)  
Pulse duration, page mode, RAS low  
Pulse duration, nonpage mode, RAS low  
Pulse duration, CAS low  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
RC  
PC  
60 100 000  
70 100 000  
80 100 000  
RASP  
RAS  
CAS  
CP  
60  
15  
10  
40  
10  
0
10 000  
10 000  
70  
18  
10  
50  
10  
0
10 000  
10 000  
80  
20  
10  
60  
10  
0
10 000  
10 000  
Pulse duration, CAS high (precharge)  
Pulse duration, RAS high (precharge)  
Pulse duration, W low  
RP  
WP  
Setup time, column address before CAS low  
Setup time, row address before RAS low  
Setup time, data before CAS low  
ASC  
ASR  
DS  
0
0
0
0
0
0
Setup time, W high before CAS low  
Setup time, W low before CAS high  
Setup time, W low before RAS high  
Setup time, W low before CAS low  
Hold time, column address after CAS low  
Hold time, RAS high from CAS precharge  
Hold time, data after CAS low  
0
0
0
RCS  
CWL  
RWL  
WCS  
CAH  
RHCP  
DH  
15  
15  
0
18  
18  
0
20  
20  
0
10  
35  
10  
10  
0
15  
40  
15  
10  
0
15  
45  
15  
10  
0
Hold time, row address after RAS low  
Hold time, W high after CAS high (see Note 9)  
Hold time, W high after RAS high (see Note 9)  
Hold time, W low after CAS low  
RAH  
RCH  
RRH  
WCH  
0
0
0
10  
15  
15  
NOTES: 7. All cycles assume t = 5 ns.  
T
8. To assure t  
min, t  
should be t .  
PC  
or t  
ASC  
must be satisfied for a read cycle.  
RCH  
CP  
9. Either t  
RRH  
7
POST OFFICE BOX 1443 HOUSTON, TEXAS 77251–1443  
TM124MBJ36F, TM124MBJ36U 1048576 BY 36-BIT DYNAMIC RAM MODULE  
TM248NBJ36F, TM248NBJ36U 2097152 BY 36-BIT DYNAMIC RAM MODULE  
SMMS662 – MAY 1996  
timing requirements over recommended ranges of supply voltage and operating free-air  
temperature (continued)  
’124MBJ36F-60 ’124MBJ36F-70 ’124MBJ36F-80  
’248NBJ36F-60 ’248NBJ36F-70 ’248NBJ36F-80  
UNIT  
MIN  
10  
5
MAX  
MIN  
10  
5
MAX  
MIN  
10  
5
MAX  
t
t
t
t
t
t
t
t
t
t
t
t
Delay time, RAS low to CAS high (CBR refresh only)  
Delay time, CAS high to RAS low  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
ms  
ns  
CHR  
CRP  
CSH  
CSR  
RAD  
RAL  
CAL  
RCD  
RPC  
RSH  
REF  
T
Delay time, RAS low to CAS high  
60  
5
70  
5
80  
5
Delay time, CAS low to RAS low (CBR refresh only)  
Delay time, RAS low to column address (see Note 10)  
Delay time, column address to RAS high  
Delay time, column address to CAS high  
Delay time, RAS low to CAS low (see Note 10)  
Delay time, RAS high to CAS low (CBR only)  
Delay time, CAS low to RAS high  
15  
30  
30  
20  
0
30  
45  
15  
35  
35  
20  
0
35  
52  
15  
40  
40  
20  
0
40  
60  
15  
18  
20  
Refresh time interval  
16  
30  
16  
30  
16  
30  
Transition time  
3
3
3
NOTE 10: The maximum value is specified only to assure access time.  
8
POST OFFICE BOX 1443 HOUSTON, TEXAS 77251–1443  
TM124MBJ36F, TM124MBJ36U 1048576 BY 36-BIT DYNAMIC RAM MODULE  
TM248NBJ36F, TM248NBJ36U 2097152 BY 36-BIT DYNAMIC RAM MODULE  
SMMS662 – MAY 1996  
MECHANICAL DATA  
BJ (R-PSIM-N72)  
SINGLE-IN-LINE MEMORY MODULE  
4.255 (108,08)  
4.245 (107,82)  
0.054 (1,37)  
0.047 (1,19)  
0.125 (3,18) TYP  
0.050 (1,27)  
0.040 (1,02) TYP  
0.010 (0,25) MAX  
0.128 (3,25)  
0.120 (3,05)  
0.400 (10,16) TYP  
0.705 (17,91)  
0.695 (17,65)  
0.208 (5,28) MAX  
0.360 (9,14) MAX  
(For Double-Sided SIMM)  
4088178/A 01/96  
NOTES: A. All linear dimensions are in inches (millimeters).  
B. This drawing is subject to change without notice.  
device symbolization (TM124MBJ36F illustrated)  
TM124MBJ36F  
-SS  
YYMMT  
YY = Year Code  
MM = Month Code  
T = Assembly Site Code  
-SS = Speed Code  
NOTE: Location of symbolization may vary.  
9
POST OFFICE BOX 1443 HOUSTON, TEXAS 77251–1443  
IMPORTANT NOTICE  
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product or service without notice, and advises its customers to obtain the latest version of relevant information  
to verify, before placing orders, that the information being relied on is current and complete.  
TI warrants performance of its semiconductor products and related software to the specifications applicable at  
the time of sale in accordance with TI’s standard warranty. Testing and other quality control techniques are  
utilized to the extent TI deems necessary to support this warranty. Specific testing of all parameters of each  
device is not necessarily performed, except those mandated by government requirements.  
Certain applications using semiconductor products may involve potential risks of death, personal injury, or  
severe property or environmental damage (“Critical Applications”).  
TI SEMICONDUCTOR PRODUCTS ARE NOT DESIGNED, INTENDED, AUTHORIZED, OR WARRANTED  
TO BE SUITABLE FOR USE IN LIFE-SUPPORT APPLICATIONS, DEVICES OR SYSTEMS OR OTHER  
CRITICAL APPLICATIONS.  
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products in such applications requires the written approval of an appropriate TI officer. Questions concerning  
potential risk applications should be directed to TI through a local SC sales office.  
In order to minimize risks associated with the customer’s applications, adequate design and operating  
safeguards should be provided by the customer to minimize inherent or procedural hazards.  
TI assumes no liability for applications assistance, customer product design, software performance, or  
infringement of patents or services described herein. Nor does TI warrant or represent that any license, either  
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Copyright 1998, Texas Instruments Incorporated  

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