參數(shù)資料
型號: CY7C145AV-25JC
廠商: CYPRESS SEMICONDUCTOR CORP
元件分類: DRAM
英文描述: 3.3V 4K/8K/16K/32K x 8/9 Dual-Port Static RAM
中文描述: 8K X 9 DUAL-PORT SRAM, 25 ns, PQCC68
封裝: PLASTIC, LCC-68
文件頁數(shù): 6/20頁
文件大?。?/td> 301K
代理商: CY7C145AV-25JC
CY7C138AV/144AV/006AV
CY7C139AV/145AV/016AV
CY7C007AV/017AV
Document #: 38-06051 Rev. *A
Page 6 of 20
Notes:
13. f
= 1/t
. All inputs cycling at f = 1/t
(except output enable). f = 0 means no address or control lines change. This applies only to inputs at CMOS level standby I
SB3
.
14. Tested initially and after any design or process changes that may affect these parameters.
Electrical Characteristics
Over the Operating Range
Parameter
V
OH
V
OL
V
IH
V
IL
I
OZ
I
CC
Description
CY7C138AV/144AV/006AV
CY7C139AV/145AV/016AV
CY7C007AV/017AV
-20
Typ.
-25
Typ.
Unit
V
V
V
V
μ
A
mA
mA
mA
mA
mA
mA
μ
A
μ
A
mA
mA
Min.
2.4
Max.
Min.
2.4
Max.
Output HIGH Voltage (V
CC
= 3.3V)
Output LOW Voltage
Input HIGH Voltage
Input LOW Voltage
Output Leakage Current
Operating Current (V
CC
= Max.,
I
OUT
= 0 mA) Outputs Disabled
0.4
0.4
2.0
2.0
0.8
10
175
195
45
55
110
130
500
500
95
105
0.8
10
165
10
10
Com
l.
Ind.
[12]
Com
l.
Ind.
[12]
Com
l.
Ind.
[12]
Com
l.
Ind.
[12]
Com
l.
Ind.
[12]
120
140
35
45
75
85
10
10
70
80
115
I
SB1
Standby Current (Both Ports TTL Level)
CE
L
& CE
R
V
IH
, f = f
MAX[13]
30
40
I
SB2
Standby Current (One Port TTL Level)
CE
L
| CE
R
V
IH
, f = f
MAX[13]
65
95
I
SB3
Standby Current (Both Ports CMOS Level)
CE
L
& CE
R
V
CC
0.2V, f = 0
[13]
10
500
I
SB4
Standby Current (One Port CMOS Level)
CE
L
| CE
R
V
IH
, f = f
MAX[13]
60
80
Capacitance
[14]
Parameter
Description
Test Conditions
T
A
= 25
°
C, f = 1 MHz,
V
CC
= 3.3V
Max.
10
10
Unit
pF
pF
C
IN
C
OUT
Input Capacitance
Output Capacitance
AC Test Loads and Waveforms
3.0V
GND
90%
90%
10%
3 ns
3 ns
10%
ALL INPUTPULSES
(a) Normal Load (Load 1)
R1 = 590
3.3V
OUTPUT
R2 = 435
C = 30 pF
V
TH
= 1.4V
OUTPUT
C
=
30 pF
(b)
Th
é
veninEquivalent (Load 1)
(c)Three-State Delay(Load 2)
(Used for t
LZ
, t
HZ
, t
HZWE
& t
LZWE
R1 = 590
R2 = 435
3.3V
OUTPUT
C = 5 pF
R
TH
= 250
including scope and jig)
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