TC55257BTRL-10 Datasheet PDF - Toshiba
| Part Number | TC55257BTRL-10 | |
| Description | SILICON GATE CMOS STATIC RAM | |
| Manufacturers | Toshiba | |
| Logo |  |
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TOSHIBA
TC55257BPL/BFL/BSPL/BFIL/BIRL-85/10
SILICON GATE CMOS
32,768 WORD x 8 BIT STATIC RAM
Description
The TC55257BPL is a 262,144 bit CMOS static random access memory organized as 32,768 words by 8 bits and operated from a
single 5V power supply. Advanced circuit techniques provide both high speed and low power features with an operating current of
5mNMHz fup.) and a minimum cycle time of 85ns.
When CE is a logical high, the device is placed in a low power standby mode in which the standby current is 10Q.lA. The
TC55257BPL has two control inputs. Chip enable (CE) allows for device selection and data retention control, while an output
enable input (OE) provides fast memory access. The TC55257BPL is suitable for use in microprocessor systems where high
speed, low power, and battery backup are required.
The TC55257BPL is offered in a standard dual-in-line 28-pin plastic package (0.6/0.3 inch width), a small outline plastic pack-
age, and a thin small outline plastic package (forward type, reverse type).
Features
• Low power dissipation:
• Standby current:
• Single 5V power supply
• Access time (max.)
Access Time
Chip Enable
Access Time
Output Enable Time
27.5mW/MHz (typ.)
100fJA (max.)
TC55257BPL/BFl/BSPL/BFTl/BTRl
-85 ·10
85ns
100ns
85ns
100ns
45ns
50ns
• Power down feature:
CE
• Data retention supply voltage:
2.0 - 5.5V
• Inputs and outputs TIL compatible
• Package
TC55257BPL: DIP28-P-600
Pin Names
TC55257BFL
TC55257BSPL
TC55257BFTL
TC55257BTRL
: SOP28-P-450
: DIP28-P-300B
: TSOP28-P
: TSOP28-P-A
Pin Connection (Top View)
o 28 PIN DIP & SOP 0 28 PIN TSOP
A14
A12
A2
Al
AO
1/01
1/02
1/03
GNO
10
11
12
13
14
Voo
PJW
All
AS
A9
~1
OE
21 ~O
20 CE
19 1108
18 1107
17 1106
16 1/05
15 1/04
(forward type)
28
(reverse type)
1~
28 l'
AO - A14
RIW
OE
CE
1/01 - 1/08
Voo
GND
Address Inputs
ReadlWrite Control Input
Output Enable Input
Chip Enable Input
Data Input/Output
Power (+5V)
Ground
PIN NO.
1 2 3 4 5 6 7 8 9 10 11 12 13 14
PIN NAME OE A11 Ag As A13 RIW Voo A14 A12 A7 A6 A5 A4 A3
PIN NO.
15 16 17 18 19 20 21 22 23 24 25 26 27 28
PIN NAME
A2
A1
Ao 1/01 1/02 1/03 GND 1/04 1/05 1/06 1/07 1/08 CE AlO
TOSHIBA AMERICA ELECTRONIC COMPONENTS, INC.
A-1
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Timing Waveforms
Read Cycle (1)
ADDRESSES
Static RAM
TC55257BPLlBFLlBSPLlBFTLlBTRL-85/10
Dour
Write Cycle 1 (4) (RIW Controlled Write)
ADDRESSES
R/W
UNKNOWN
OUTPUT DATA VAllO
twc
twp
Dour
DATA STABLE
TOSHIBA AMERICA ELECTRONIC COMPONENTS. INC.
A-5
Preview 5 Page |
Part DetailsOn this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for TC55257BTRL-10 electronic component. |
| Information | Total 7 Pages | |
| Link URL | [ Copy URL to Clipboard ] | |
| Download | [ TC55257BTRL-10.PDF Datasheet ] | |
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