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參數資料
| 型號： | W55212B |
| 廠商： | WINBOND ELECTRONICS CORP |
| 元件分類： | SRAM |
| 英文描述： | 256K×1bit CMOS Static RAM For Serial Voice Recording(用于錄音的128K×1位的CMOS靜態RAM) |
| 中文描述： | 256K X 1 STANDARD SRAM, 80 ns, PDIP18 |
| 文件頁數： | 5/7頁 |
| 文件大小： | 84K |
| 代理商： | W55212B |
W55212B
Publication Release Date: September 1996
- 5 -
Revision A1
T
A
= 25
°
C, V
DD
= 5.0V, V
SS
= 0.0V
PARAMETER
SYMBOL
CONDITIONS
LIMIT
TYP.
5.0
UNIT
MIN.
3.6
-
2.4
MAX.
5.5
15
5.5
Operating Voltage
Operating Current
V
DD
for Data Retention
V
DD
I
OP
V
DR
-
V
Fc = 1 MHz
-
-
mA
V
CS
≥
V
DD
-0.2V
Data Retention Current
I
DDDR
V
DD
≥
3V, CS
≥
2.8V
-
-
10
μ
A
Standby Current
I
SB
-
-
2
10
μ
A
V
Input Voltage (for ADDR,
V
IH
V
IL
-
-
2.8
-0.5
-
-
6.0
+0.8
CLK, W/R and CS pins)
Input Current (for CS)
Output Current (for EOP)
I
IH
V
I
= 5.0V
-
-
5
μ
A
mA
I
OH
I
OL
V
O
= 4.0V
V
O
= 0.8V
4
-4
6
-8
-
-
AC CHARACTERISTICS
Ta = 25
°
C, V
DD
= 5.0V, V
SS
= 0.0V
PARAMETER
SYM.
F
C
T
WH
T
RH
T
AH
T
RA
T
WS
T
AS
T
EP
T
H
CONDITIONS
-
Write mode
Read mode
-
Read mode
Write mode
-
Read mode
-
MIN.
-
0
0
0
-
250
250
100
400
TYP.
-
-
-
-
-
-
-
-
-
MAX.
1
-
-
-
80
-
-
-
-
UNIT
MHz
nS
ns
nS
nS
nS
nS
nS
nS
Clock Frequency (for CLK and ADDR)
Data Hold Time
Data Hold Time
Data Hold Time (for ADDR)
Data Access Time
Data Set up Time
Data Set up Time (for ADDR)
EOP Pulse Width (for ADDR)
High Level Duration of Clock for CLK and
ADDR
Low Level Duration of Clock for CLK and
ADDR
T
L
-
600
-
-
nS
W/R Signal Set up Time for Write Mode
T
SUR
-
300
-
-
nS
W/R Signal Set up Time for Write Mode
Time Width Between ADDR and CLK
Clock
T
SUW
-
300
-
-
nS
T
D
-
1
-
-
μ
S
TYPICAL APPLICATION CIRCUIT
(For reference only)
相關PDF資料 |
PDF描述 |
|---|---|
| W55412A | VOICE PROM (256K OTP) |
| W55F05 | 4 Mbit Uniform Sector, Serial Flash Memory |
| W55F10 | 4 Mbit Uniform Sector, Serial Flash Memory |
| W55F20 | 4 Mbit Uniform Sector, Serial Flash Memory |
| W55FXX | 4 Mbit Uniform Sector, Serial Flash Memory |
相關代理商/技術參數 |
參數描述 |
|---|---|
| W55412A | 制造商:WINBOND 制造商全稱:Winbond 功能描述:VOICE PROM (256K OTP) |
| W55F01 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:EEPROM |
| W55F05 | 制造商:WINBOND 制造商全稱:Winbond 功能描述:SERIAL FLASH EEPROM SERIES |
| W55F10 | 制造商:WINBOND 制造商全稱:Winbond 功能描述:SERIAL FLASH EEPROM SERIES |
| W55F10A | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:SERIAL EEPROM|FLASH|CMOS|PLASTIC |
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