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Número de pieza | UT62L1024LS-35L | |
Descripción | 128K X 8 BIT LOW POWER CMOS SRAM | |
Fabricantes | ETC | |
Logotipo | ||
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UTRON
Rev. 1.7
UT62L1024
128K X 8 BIT LOW POWER CMOS SRAM
FEATURES
Access time : 35/55/70ns (max.)
Low power consumption :
Operating : 40/35/30 mA (typical)
Standby : 2.5µA (typical) L-version
0.5µA (typical) LL-version
Power supply range : 2.7V to 3.6V
All inputs and outputs TTL compatible
Fully static operation
Three state outputs
Data retention voltage : 2V (min.)
Package : 32-pin 600 mil PDIP
32-pin 450 mil SOP
32-pin 8x20 mm TSOP-1
32-pin 8x13.4 mm STSOP
GENERAL DESCRIPTION
The UT62L1024 is a 1,048,576-bit low power
CMOS static random access memory organized
as 131,072 words by 8 bits. It is fabricated using
high performance, high reliability CMOS
technology.
Easy memory expansion is provided by using
two chip enable input.( CE 1 ,CE2) It is
particularly well suited for battery back-up
nonvolatile memory application.
The UT62L1024 operates from a single 2.7V~
3.6V power supply and all inputs and outputs
are fully TTL compatible.
FUNCTIONAL BLOCK DIAGRAM
A0-A16
Vcc
Vss
DECODER
2048 × 512
MEMORY
ARRAY
I/O1-I/O8
I/O DATA
CIRCUIT
COLUMN I/O
CE1
CE2
OE
WE
CONTROL
CIRCUIT
UTRON TECHNOLOGY INC.
1F, No. 11, R&D Rd. II, Science-Based Industrial Park, Hsinchu, Taiwan, R. O. C.
TEL: 886-3-5777882 FAX: 886-3-5777919
1
P80033
1 page
UTRON
Rev. 1.7
UT62L1024
128K X 8 BIT LOW POWER CMOS SRAM
TIMING WAVEFORMS
READ CYCLE 1 (Address Controlled) (1,2,4)
Address
tRC
DOUT
tAA
tOH
Data Valid
tOH
READ CYCLE 2 ( CE1 , CE2 and OE Controlled) (1,3,5,6)
t RC
Address
CE1
t AA
t ACE1
CE2
t ACE2
OE
Dout
t CLZ1
t CLZ2
HIGH-Z
t OLZ
t OE
t CHZ1
t CHZ2
t OHZ
t OH
Data Valid
HIGH-Z
Notes :
1. WE is HIGH for a read cycle.
2. Device is continuously selected OE , CE 1 =VIL and CE2=VIH.
3. Address must be valid prior to or coincident with CE 1 low and CE2 high transition; otherwise tAA is the limiting parameter.
4. OE is low.
5. tCLZ1, tCLZ2, tOLZ, tCHZ1, tCHZ2 and tOHZ are specified with CL=5pF. Transition is measured ± 500mV from steady state.
6. At any given temperature and voltage condition, tCHZ1 is less than tCLZ1, tCHZ2 is less than tCLZ2, tOHZ is less than tOLZ.
UTRON TECHNOLOGY INC.
1F, No. 11, R&D Rd. II, Science-Based Industrial Park, Hsinchu, Taiwan, R. O. C.
TEL: 886-3-5777882 FAX: 886-3-5777919
5
P80033
5 Page
UTRON
Rev. 1.7
UT62L1024
128K X 8 BIT LOW POWER CMOS SRAM
32 pin 8mm x 13.4mm STSOP Package Outline Dimension
HD
cL
12° (2x)
1 32
12° (2x)
16 17
"A"
D
Seating Plane
y
12° (2X)
16 17
GAUGE PLANE
0
SEATING PLANE
12° (2X)
"A" DATAIL VIEW
L
L1
1 32
UNIT
SYMBOL
A
INCH(BASE)
0.049 (MAX)
MM(REF)
1.25 (MAX)
A1 0.005 ± 0.002 0.130 ± 0.05
A2 0.039 ± 0.002 1.00 ± 0.05
b 0.008 ± 0.01 0.20± 0.025
c 0.005 (TYP) 0.127 (TYP)
D 0.465 ± 0.004 11.80 ± 0.10
E 0.315 ± 0.004 8.00 ± 0.10
e 0.020 (TYP) 0.50 (TYP)
HD 0.528± 0.008 13.40 ± 0.20.
L 0.0197 ± 0.004 0.50 ± 0.10
L1 0.0315 ± 0.004 0.8 ± 0.10
c
y 0.003 (MAX) 0.076 (MAX)
Θ 0o〜5o 0o〜5o
UTRON TECHNOLOGY INC.
1F, No. 11, R&D Rd. II, Science-Based Industrial Park, Hsinchu, Taiwan, R. O. C.
TEL: 886-3-5777882 FAX: 886-3-5777919
11
P80033
11 Page |
Páginas | Total 14 Páginas | |
PDF Descargar | [ Datasheet UT62L1024LS-35L.PDF ] |
Número de pieza | Descripción | Fabricantes |
UT62L1024LS-35L | 128K X 8 BIT LOW POWER CMOS SRAM | ETC |
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