T15M256A データシートの表示（PDF） - Taiwan Memory Technology
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T15M256A Datasheet PDF : 10 Pages
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tm TE
CH
SRAM
T15M256A
32K X 8 LOW POWER
CMOS STATIC RAM
FEATURES
GENERAL DESCRIPTION
• Access time: 35ns/70ns
• Low power consumption : Active 200 mW(typ.)
• Low operating current : 50mA
• Single + 5 power supply
• Fully static operation – No clock or refreshing
required
• All inputs and outputs directly TTL compatible
• Common I/O capability
• Available packages : 28-pin 300 mil SOJ, 28-pin
SOP, TSOP-I (forward type ).
• Output enable (OE ) available for very fast
access
• Mix-mode Outputs
PIN CONFIGURATION
A14 1
A12 2
A7 3
A6 4
A5 5
A4 6
A3 7
A2 8
A1 9
A0 10
I/O1 11
I/O2 12
I/O3 13
Vss 14
SOJ
&
SOP
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
The T15M256A is a high speed, low power
CMOS static RAM organized as 32,768 x 8 bits
that operates on a single 5-volt power supply.
This device is packaged in standard 28-pin 300 mil
SOJ ,28-pin SOP, TSOP-I forward.
BLOCK DIAGRAM
Vcc →
Vss →
A0 →
.
.
DECODER
.
A14 →
CS →
OE → CONTROL
WE →
CORE
ARRAY
← I / O1
.
DATA I/O
.
← I / O8
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
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
Taiwan Memory Technology, Inc. reserves the right
to change products or specifications without notice.
PART NUMBER EXAMPLES
PACKAGE SPEED
T15M256A-35J
SOJ
35ns
T15M256A-70P TSOP-I
70ns
T15M256A-70D SOP
70ns
P. 1
Publication Date: APR. 2001
Revision:C
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