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參數資料
| 型號： | U635H64BD1K45 |
| 英文描述： | NVRAM (EEPROM Based) |
| 中文描述： | NVRAM中（EEPROM的基礎） |
| 文件頁數： | 4/13頁 |
| 文件大小： | 132K |
| 代理商： | U635H64BD1K45 |
4
November 01, 2001
U635H16
DC Characteristics
Symbol
Conditions
C-Type
K-Type
Unit
Min.
Max.
Min.
Max.
Output High Voltage
Output Low Voltage
V
OH
V
OL
V
CC
I
OH
I
OL
= 4.5 V
=-4 mA
= 8 mA
2.4
0.4
2.4
0.4
V
V
Output High Current
Output Low Current
I
OH
I
OL
V
CC
V
OH
V
OL
= 4.5 V
= 2.4 V
= 0.4 V
8
-4
8
-4
mA
mA
Input Leakage Current
High
Low
I
IH
I
IL
V
CC
V
IH
V
IL
= 5.5 V
= 5.5 V
=
0 V
-1
1
-1
1
μ
A
μ
A
Output Leakage Current
High at Three-State- Output
Low at Three-State- Output
I
OHZ
I
OLZ
V
CC
V
OH
V
OL
= 5.5 V
= 5.5 V
=
0 V
-1
1
-1
1
μ
A
μ
A
SRAM Memory Operations
No.Switching Characteristics
Read Cycle
Symbol
25
35
45
Unit
Alt.
IEC
Min. Max. Min. Max. Min. Max.
1
Read Cycle Time
f
t
AVAV
t
cR
25
35
45
ns
2
Address Access Time to Data Valid
g
t
AVQV
t
a(A)
25
35
45
ns
3
Chip Enable Access Time to Data Valid
t
ELQV
t
a(E)
25
35
45
ns
4
Output Enable Access Time to Data Valid
t
GLQV
t
a(G)
12
20
25
ns
5
E HIGH to Output in High-Z
h
t
EHQZ
t
dis(E)
13
17
20
ns
6
G HIGH to Output in High-Z
h
t
GHQZ
t
dis(G)
13
17
20
ns
7
E LOW to Output in Low-Z
t
ELQX
t
en(E)
5
5
5
ns
8
G LOW to Output in Low-Z
t
GLQX
t
en(G)
0
0
0
ns
9
Output Hold Time after Address Change
t
AXQX
t
v(A)
3
3
3
ns
10 Chip Enable to Power Active
e
t
ELICCH
t
PU
0
0
0
ns
11 Chip Disable to Power Standby
d, e
t
EHICCL
t
PD
25
35
45
ns
e:
f:
g:
h:
Parameter guaranteed but not tested.
Device is continuously selected with E and G both LOW.
Address valid prior to or coincident with E transition LOW.
Measured
±
200 mV from steady state output voltage.
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| U635H64BDC35 | NVRAM (EEPROM Based) |
| U635H64BDC45 | NVRAM (EEPROM Based) |
| U635H64BDK25 | NVRAM (EEPROM Based) |
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相關代理商/技術參數 |
參數描述 |
|---|---|
| U635H64BD1K45G1 | 制造商:SIMTEK 制造商全稱:Simtek Corporation 功能描述:PowerStore 8K x 8 nvSRAM |
| U635H64BDC25 | 制造商:Cypress Semiconductor 功能描述: |
| U635H64BDC35 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:NVRAM (EEPROM Based) |
| U635H64BDC45 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:NVRAM (EEPROM Based) |
| U635H64BDK25 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:NVRAM (EEPROM Based) |
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