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PDF TC554161FTL-70L Data sheet ( Hoja de datos )
| Número de pieza | TC554161FTL-70L | |
| Descripción | SILICON GATE CMOS STATIC RAM | |
| Fabricantes | Toshiba | |
| Logotipo |  |
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TOSHIBA
1l:554161F1nLJ1]{L-70L/85L/I0L
SILICON GATE CMOS
PRELIMINARY
262,144 WORD x 16 BIT STATIC RAM
Description
The TC554161 FTUfRL is a 4,194,304 bit CMOS static random access memory organized as 262,144 words by 16 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 10mNMHz (typ.) and a minimum cycle time of 70ns. When CE is a logical high, the device is placed in a low
power standby mode in which the standby current is 601-!A (max.). The TC554161 FTUfRL has two control inputs. A chip enable
input (CE) allows for device selection and data retention control, while an output enable input (OE) provides fast memory access.
Byte access is supported by upper and lower byte controls. The TC554161 FTUfRL is suitable for use in microprocessor systems
where high speed, low power, and battery backup are required. The TC554161 FTUfRL is offered in a 54-pin thin small outline
plastic package (forward type, reverse type).
Features
• Low power dissipation:
• Standby current:
• Single 5V power supply
• Access time (max.)
55mW/MHz (typ.)
81-!A (max.) at Ta =25°C
TC554161FTL/TRL
Access Time
CE Access Time
OE Access Time
-70L
70ns
70ns
35ns
-85L
85ns
85ns
45ns
-10L
100ns
100ns
50ns
• Power down feature:
CE
• Data retention supply voltage:
2.0 - 5.5V
• Inputs and outputs TIL compatible
• Package
TC554161 FTL : TSOP54-P-400
TC554161TRL : TSOP54-P-400A
Pin Names
AO - A17 Address Inputs
1/01 - 1/016 Data Input/Output
CE Chip Enable Input
RIW
ReadIWrite Control Input
OE Output Enable Input
LB, UB
Data Byte Control Input
Voo
GND
Power (+5V)
Ground
NC No Connection
Pin Connection (Top View)
NC
A3
A2
Al
AO
1/016
1/015
Vee
GND
11014
11013
US
CE
NC
RNV
11012
1/011
GND
Vee
1/010
1/09
NC
A17
A16
AIS
A14
Al3
A4
AS
A6
A7
NC
1/01
1/02
Vee
GND
1/03
1/04
LS
OE
NC
NC
1105
1/06
GND
Vee
1/07
1108
AS
A9
Al0
All
A12
NC
NC
A3
A2
Al
AO
1/016
1/015
Vee
GND
1/014
1/013
US
CE
NC
R/W
1/012
1/011
GND
Vee
1/010
1/09
NC
A17
A16
Als
A14
A13
TOSHIBA AMERICA ELECTRONIC COMPDNENTS, INC.
A..149
1 page  
Timing Waveforms
Read Cycle (1)
ADDRESSES
Static RAM
TC554161 FTLfTRL-70U85U10L
UB,LB
Dout--------------~----------~~
Write Cycle 1 (4) (R/W Controlled Write)
ADDRESSES
RNV
twp
tWR
UB, LB
Dout
Din
(5)
Hrgh Impedance
Data Stable
(5)
PRELIMINARY
TOSHIBA AMERICA ELECTRONIC COMPONENTS. INC.
A-153
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet TC554161FTL-70L.PDF ] | |
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