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PDF T14L256A Data sheet ( Hoja de datos )

Número de pieza T14L256A
Descripción 32K X 8 HIGH SPEED CMOS STATIC RAM
Fabricantes Taiwan Memory Technology 
Logotipo Taiwan Memory Technology Logotipo



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tm TE
CH
SRAM
T14L256A
32K X 8 HIGH SPEED
CMOS STATIC RAM
FEATURES
High speed access time: 8/10/12/15ns(max.)
Low power consumption : Active 300 mW (typ.)
Single + 3.3 power supply
Fully static operation – No clock or refreshing
required
All inputs and outputs directly LVTTL compatible
Common I/O capability
Available packages :28-pin 300 mil, SOJ and
TSOP-I (forward type).
Output enable (OE ) available for very fast
access
PIN CONFIGURATION
A14
A12
A7
A6
A5
A4
A3
A2
A1
A0
I/O1
I/O2
I/O3
Vss
1
2
3
4
5
6
7
8
9
10
11
12
13
14
SOJ
28 Vcc
27 WE
26 A13
25 A8
24 A9
23 A11
22 OE
21 A10
20 CS
19 I/O8
18 I/O7
17 I/O6
16 I/O5
15 I/O4
OE 1
A11 2
A9 3
A8 4
A13 5
WE 6
VCC 7
A14 8
A12 9
A7 10
A6 11
A5 12
A4 13
A3 14
TSOP-I
28 A10
27 CS
26 I/O8
25 I/O7
24 I/O6
23 I/O5
22 I/O4
21 VSS
20 I/O3
19 I/O2
18 I/O1
17 A0
16 A1
15 A2
GENERAL DESCRIPTION
The T14L256A is a high speed, low power
CMOS static RAM organized as 32,768 x 8 bits
that operates on a single 3.3-volt power supply.
This device is packaged in a standard 28-pin 300
mil SOJ or TSOP-I forward.
BLOCK DIAGRAM
Vcc
VSS
A0
.
..
A 14
DECODER
CORE
ARRAY
CS
OE CONTROL
WE
DATA I/O
I/O 1
...
I/O 8
PIN DESCRIPTION
SYMBOL
A0 - A14
I/O1 - I/O8
CS
WE
OE
Vcc
Vss
DESCRIPTION
Address Inputs
Data Inputs/Outputs
Chip Select Inputs
Write Enable
Output Enable
Power Supply
Ground
PART NUMBER EXAMPLES
PACKAGE SPEED
T14L256A-8J SOJ
8ns
T14L256A-8P TSOP-I
8ns
Taiwan Memory Technology, Inc. reserves the right P. 1
to change products or specifications without notice.
DataSheet4 U .com
Publication Date: APR. 2001
Revision: E

1 page




T14L256A pdf
www.DataSheet4U.com
tm TE
CH
TIMING WAVEFORMS
READ CYCLE 1
(Address Controlled)
Addre ss
DO UT
tO H
tAA
tR C
READ CYCLE 2
(Chip Select Controlled)
CS
DO UT
tC L Z
tA CS
READ CYCLE 3
(Output Enable Controlled)
A dd re ss
OE
CS
D OUT
t RC
tAA
t A OE
t OL Z
t ACS
t CLZ
Taiwan Memory Technology, Inc. reserves the right P. 5
to change products or specifications without notice.
DataSheet4 U .com
T14L256A
t OH
tCH Z
t OH
tOH Z
tCH Z
DON 'T CAR E
UN DEF IN ED
Publication Date: APR. 2001
Revision: E

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