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W24258Q-70LE PDF даташит

Спецификация W24258Q-70LE изготовлена ​​​​«Winbond» и имеет функцию, называемую «32K X 8 CMOS STATIC RAM».

Детали детали

Номер произв W24258Q-70LE
Описание 32K X 8 CMOS STATIC RAM
Производители Winbond
логотип Winbond логотип 

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W24258Q-70LE Даташит, Описание, Даташиты
W24258
32K × 8 CMOS STATIC RAM
GENERAL DESCRIPTION
The W24258 is a normal speed, very low power CMOS static RAM organized as 32768 × 8 bits that
operates on a wide voltage range from 2.7V to 5.5V power supply. The W24258 family, W24258-
70LE and W24258-70LI, can meet requirement of various operating temperature. This device is
manufactured using Winbond's high performance CMOS technology.
FEATURES
Low power consumption:
Active: 350 mW (max.)
Standby: 6 µW (max.)/3V
25 µW (max.)/5V
Access time: 70 nS (max.)/5V
100 nS (max.)/3V
Single 3V/5V power supply
Fully static operation
All inputs and outputs directly TTL compatible
Three-state outputs
Battery back-up operation capability
Data retention voltage: 2V (min.)
Packaged in 28-pin 600 mil DIP, 330 mil SOP
and standard type one TSOP (8 mm × 13.4
mm)
PIN CONFIGURATIONS
BLOCK DIAGRAM
A14 1
28
A12 2
27
A7 3
26
A6 4
25
A5 5
24
A4 6
A3 7
23
28-pin
DIP 22
A2 8
21
A1 9
20
A0 10
19
I/O1 11
18
I/O2 12
17
I/O3
VSS
13
14
16
15
VDD
WE
A13
A8
A9
A11
OE
A10
CS
I/O8
I/O7
I/O6
I/O5
I/O4
OE 1
A11 2
A9 3
A8 4
A13 5
WE 6
VDD 7
A14 8
A12 9
A7 1
A6 0
A5 1
A4 1
A3 1
2
28-pin
TSOP
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
CLK GEN.
PRECHARGE CKT.
A12
A14
R
A2 O
W CORE CELL ARRAY
A3
A4
D
E
512 ROWS
A5
C
O
64 X 8 COLUMNS
D
A6 E
R
A7
A13
I/O1 DATA
I/O CKT.
I/O8 CNTRL. COLUMN DECODER
CLK
GEN.
A11 A10 A1 A0 A8 A9
WE
CS
OE
PIN DESCRIPTION
SYMBOL
A0A14
I/O1I/O8
CS
WE
OE
VDD
VSS
DESCRIPTION
Address Inputs
Data Inputs/Outputs
Chip Select Input
Write Enable Input
Output Enable Input
Power Supply
Ground
Publication Release Date: November 1998
- 1 - Revision A8









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W24258Q-70LE Даташит, Описание, Даташиты
W24258
TRUTH TABLE
CS OE WE
HXX
L HH
L LH
LXL
MODE
Not Selected
Output Disable
Read
Write
I/O1I/O8
High Z
High Z
Data Out
Data In
VDD CURRENT
ISB, ISB1
IDD
IDD
IDD
DC CHARACTERISTICS
Absolute Maximum Ratings
PARAMETER
Supply Voltage to VSS Potential
Input/Output to VSS Potential
Allowable Power Dissipation
Storage Temperature
Operating Temperature
LE
LI
RATING
-0.5 to +7.0
-0.5 to VDD +0.5
1.0
-65 to +150
-20 to 85
-40 to 85
UNIT
V
V
W
°C
°C
°C
Note: Exposure to conditions beyond those listed under Absolute Maximum Ratings may adversely affect the life and reliability of the
device.
Operating Characteristics
(VDD = 5V ±10%; VDD = 3V ±10%; VSS = 0V; TA (°C) = -20 to 85 for LE; -40 to 85 for LI)
PARAMETER SYM. TEST CONDITIONS
5V ±10%
MIN. MAX.
Input Low Voltage VIL
- -0.5 +0.8
Input High Voltage VIH
- +2.2 VDD +0.5
Input Leakage
Current
ILI VIN = VSS to VDD
-1 +1
Output Leakage
Current
ILO VI/O = VSS to VDD,
CS = VIH (min.) or
OE = VIH (min.) or
WE = VIL (max.)
-1 +1
Output Low Voltage VOL IOL = +2.1 mA
- 0.4
Output High
Voltage
VOH IOH = -1.0 mA
2.4 -
3V ±10%
MIN. MAX.
-0.5 +0.6
+2.0 VDD +0.5
-1 +1
-1 +1
- 0.4
2.2 -
UNIT
V
V
µA
µA
V
V
-2-









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W24258Q-70LE Даташит, Описание, Даташиты
W24258
Operating Characteristics, continued
PARAMETER SYM.
TEST CONDITIONS
5V ±10%
3V ±10%
UNIT
MIN. TYP. MAX. MIN. TYP. MAX.
Operating
IDD CS = VIL (max.), I/O = 0 mA, -
- 70 -
- 30 mA
Power Supply
Cycle = min., Duty = 100%
Current
Standby
Power Supply
Current
ISB CS = VIH (min.), Cycle =
min., Duty = 100%
ISB1 CS VDD -0.2V
- - 3 - - 1 mA
- 0.7 5 - 0.5 2 µA
Note: Typical parameter is measured under ambient temperature TA = 25° C and VDD = 5V / 3V.
CAPACITANCE
(VDD = 5V, TA = 25° C, f = 1 MHz)
PARAMETER
SYM.
Input Capacitance
CIN
Input/Output Capacitance
CI/O
Note: These parameters are sampled but not 100% tested.
CONDITIONS
VIN = 0V
VOUT = 0V
MAX.
6
8
UNIT
pF
pF
AC CHARACTERISTICS
AC Test Conditions
PARAMETER
Input Pulse Levels
Input Rise and Fall Times
Input and Output Timing Reference Level
Output Load
CONDITIONS
3V ±10%, 0V to 2.4V
5V ±10%, 0V to 3.0V
5 nS
1.5V
See the drawing below
AC Test Loads and Waveform
OUTPUT
1 TTL
1 TTL
100 pF
Including
Jig and
Scope
OUTPUT
5 pF
Including
Jig and
Scope
(For TCLZ, TOLZ, TCHZ, TOHZ, TWHZ, TOW )
2.4V/3.0V
0V
5 nS
90%
10%
90%
10%
5 nS
Publication Release Date: November 1998
- 3 - Revision A8










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