SMJ4C1024FQ データシートの表示（PDF） - Austin Semiconductor
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SMJ4C1024FQ Datasheet PDF : 27 Pages
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D Organization . . . 1 048576 × 1-Bit
D Processed to MIL-STD-883, Class B
D Single 5-V Supply (10% Tolerance)
D Performance Ranges:
ACCESS ACCESS ACCESS
TIME TIME TIME
ta(R)
ta(C) ta(CA)
(tRAC) (tCAC) (tAA)
(MAX) (MAX) (MAX)
READ
OR
WRITE
CYCLE
(MIN)
’4C1024-80 80 ns 20 ns 40 ns 150 ns
’4C1024-10 100 ns 25 ns 45 ns 190 ns
’4C1024-12 120 ns 30 ns 55 ns 220 ns
’4C1024-15 150 ns 40 ns 70 ns 260 ns
D Enhanced Page-Mode Operation for Faster
Memory Access
– Higher Data Bandwidth Than
Conventional Page Mode Parts
– Random Single-Bit Access Within a Row
With a Column Address
D One of TI’s CMOS Megabit Dynamic
Random-Access Memory (DRAM) Family
Including SMJ44C256 — 256K × 4
Enhanced Page Mode
D CAS-Before-RAS (CBR) Refresh
D Long Refresh Period
512-Cycle Refresh in 8 ms (Max)
D 3-State Unlatched Output
D Low Power Dissipation
D All Inputs / Outputs and Clocks Are
TTL-Compatible
D Packaging Offered:
– 20 / 26-Pin J-Leaded Ceramic Surface
Mount Package (HJ Suffix)
– 18-Pin 300-Mil Ceramic Dual-In-Line
Package (JD Suffix)
– 20-Pin Ceramic Flatpack (HK Suffix)
– 20 / 26-Terminal Leadless Ceramic
Surface Mount Package (FQ / HL Suffixes)
– 20-Pin Ceramic Zig-Zag In-Line Package
(SV Suffix)
D Operating Temperature Range
– 55°C to 125°C
SMJ4C1024
1048576 BY 1-BIT
DYNAMIC RANDOM-ACCESS MEMORY
SGMS023E – DECEMBER 1988 – REVISED MARCH 1996
HJ PACKAGE
( TOP VIEW )
D1
W2
RAS 3
TF 4
NC 5
20 VSS
19 Q
18 CAS
17 NC
16 A9
A0 6
A1 7
A2 8
A3 9
VCC 10
15 A8
14 A7
13 A6
12 A5
11 A4
JD PACKAGE
( TOP VIEW )
D1
W2
RAS 3
TF 4
A0 5
A1 6
A2 7
A3 8
VCC 9
18 VSS
17 Q
16 CAS
15 A9
14 A8
13 A7
12 A6
11 A5
10 A4
D
W
RAS
TF
NC
A0
A1
A2
A3
VCC
HK PACKAGE
( TOP VIEW )
1
20
2
19
3
18
4
17
5
16
6
15
7
14
8
13
9
12
10
11
VSS
Q
CAS
NC
A9
A8
A7
A6
A5
A4
FQ / HL PACKAGES
( TOP VIEW )
D
W
RAS
TF
NC
10 11
9 12
8 13
7 14
6 15
VSS
Q
CAS
NC
A9
A0 5 16 A8
A1 4 17 A7
A2 3 18 A6
A3 2 19 A5
VCC 1 20 A4
SV PACKAGE
( SIDE VIEW )
A9
Q
D
RAS
NC
A0
A2
VCC
A5
A7
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
CAS
VSS
W
TF
NC
A1
A3
A4
A6
A8
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.
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 © 1996, Texas Instruments Incorporated
• POST OFFICE BOX 1443 HOUSTON, TEXAS 77251–1443
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