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TC55257BTRL 데이터시트 PDF




Toshiba Semiconductor에서 제조한 전자 부품 TC55257BTRL은 전자 산업 및 응용 분야에서
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부품번호 TC55257BTRL 기능
기능 SILICON GATE CMOS STATIC RAM
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TC55257BTRL 데이터시트, 핀배열, 회로
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




TC55257BTRL pdf, 반도체, 판매, 대치품
TC55257BPLlBFL/BSPL/BFTLlBTRL-85/10
Static RAM
AC Characteristics (Ta = 0 .... 70°C, Voo = 5V±10% )
Read Cycle
SYMBOL
PARAMETER
tRC
tACC
tco
tOE
tCOE
tOEE
too
tooo
tOH
Read Cycle Time
Address Access Time
CE Access Time
Output Enable to Output in Valid
Chip Enable (CE) to Output in Low-Z
Output Enable to Output in Low-Z
Chip Enable (CE) to Output in High-Z
Output Enable to Output in High-Z
Output Data Hold Time
TC55257BPL/BFL/BSPL/BFTL/BTRL
-85 -10
MIN. MAX. MIN. MAX.
85 - 100 -
- 85 - 100
- 85 - 100
- 45 - 50
10 -
10 -
5-
5-
- 30 - 50
-- 30
40
10 -
10 -
UNIT
ns
Write Cycle
SYMBOL
PARAMETER
twc
twp
tcw
tAS
tWR
toow
tOEW
tos
tOH
Write Cycle Time
Write Pulse Width
Chip Selection to End of Write
Address Setup Time
Write Recovery Time
R/W to Output in High-Z
RIW to Output in Low-Z
Data Setup Time
Data Hold Time
AC Test Conditions
Input Pulse Levels
Input Pulse Rise and Fall Time
Input liming Measurement Reference Levels
Output Timing Measurement Reference Levels
Output Load
TC55257BPL/BFL/BSPL/BFTL/BTRL
-85 -10
MIN. MAX. MIN. MAX.
85 - 100 -
60 -
70 -
65 - 90 -
0-
0-
5-
5-
- 30 - 50
5-
5-
40 -
40 -
0-
0-
UNIT
ns
2.4V/O.6V
5ns
2.2V/O.8V
2.2V/O.8V
1 TTL Gate and CL = 100pF
A-4
TOSHIBA AMERICA ELECTRONIC COMPONENTS, INC.

4페이지










TC55257BTRL 전자부품, 판매, 대치품
Static RAM
=Data Retention Characteristics (Ta 0 - 70"C)
SYMBOL
PARAMETER
VOH
IOOS2
tcoR
tR
Data Retention Supply Voltage
Standby Current
Chip Deselect to Data Retention Mode
Recovery TIme
lVOH= 3.0V
IVOH= 5.5V
MIN.
2.0
-
-
0
tRC(1)
TC55257BPL/BFUBSPUBFTUBTRL-85/10
TYP. MAX. UNIT
- 5.5 V
- 50
- 100 ~
--
- - J.lS
Note (1): Read Cycle Time
CE Controlled Data Retention Mode
DATA RETENTION MODE
Voo-O.2V
GND
Note (2): If the V1H of CE is 2.2V in operation, IOOS1 current flows during the period that the Voo voltage is going down from 4.5V to 2.4V.
TOSHIBA AMERICA ELECTRONIC COMPONENTS. INC.
A-7

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