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PDF SB61L256A Data sheet ( Hoja de datos )
| Número de pieza | SB61L256A | |
| Descripción | Static CMOS RAM | |
| Fabricantes | Silicon-Based Technology | |
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Silicon-Based Technology
SB61L256A
32,768 x 8-Bits
Very High Speed and Low Power Memory
STATIC CMOS RAM
PRELIMINARY
Description:
The SB61L256A series products are 32,768-words by 8-bits static RAMs fabricated with advanced
8" wafer submicron CMOS technology. Using unique CMOS peripheral circuits and special poly-
load 4-transistor memory cells, the SB61L256A series products exhibit very high-speed
performance with single +5-volt power supply while requiring very low power and no clock or
refreshing to operate. The SB61L256A is packed in a standard 28-pin 300mil SOJ/PDIP.
Features:
• 32,768-word x 8-bit organization
• Single +5-volt power supply
• Fully static operation no clock or refreshing required
• LVTTL-compatible inputs and outputs
• Common I/O capability
• Low power consumption
Active: 180/160/140 mA（Max.）
Standby: 5 mA
• Very high speed access: 8/10/12 ns（Max.）
• 28-pin plastic 300 mil SOJ/PDIP package
• Output Enable（ OE ）available for very fast access
Ordering Information:
Part Number
Package
OrgWanoizradtion
Access
Time
ns(Max.)
Supply
Voltage
(Typ.)
Supply Current mA
(Max.)
Operating Standby
SB61L256A-8
8
SB61L256A-10
SB61L256A-12
28-Pin Plastic
SOJ/DIP
（300 mil）
32K× 8 bits
10
12
The information in this document is subject to change without notice
5V± 5%
180
160
140
5
SBT Silicon-Based Technology Corporation
1F,No.23, R&D Rd.I, Science-Based Industrial Park, Hsinchu, Taiwan, R.O.C.
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AC Characteristics:
Capacitances
(VDD = 5V, Ta = 25℃, f = 1 MHz)
Parameters
Symbols
Input Capacitance
CIN
Input/Output Capacitance
CI/O
Note: These parameters are sampled but not 100% tested.
AC Test Conditions
Parameters
Input Pulse Levels
Input Rise and Fall Times
Input and Output Timing Reference Level
Output Load
SB61L256A
Preliminary
Conditions
VIN = 0V
VOUT = 0V
Max.
6
8
Unit
pF
pF
Conditions
0V to 3V
3 ns
1.5V
CL = 30 pF, IOH/IOL = -4 mA/8 mA
AC Test Loads and Waveforms
5V
OUTPUT
R1 = 480 ohm
••
30 pF R2 = 255 ohm
Including
Jig and
Scope
5V
OUTPUT
R1 = 480 ohm
••
5 pF R2 = 255 ohm
Including
Jig and
Scope
(For TCLZ, TOLZ, TCHZ, TOHZ, TWHZ, TOW)
3.0V
90% 90%
10% 10%
0V 3 ns → ← → ← 3 ns
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| Páginas | Total 9 Páginas | |
| PDF Descargar | [ Datasheet SB61L256A.PDF ] | |
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