參數(shù)資料
型號(hào)： CY7C199L-20PC
廠商： CYPRESS SEMICONDUCTOR CORP
元件分類： DRAM
英文描述： 32K x 8 Static RAM
中文描述： 32K X 8 STANDARD SRAM, 20 ns, PDIP28
封裝： 0.300 INCH, PLASTIC, DIP-28
文件頁(yè)數(shù)： 3/13頁(yè)
文件大小： 317K
代理商： CY7C199L-20PC
CY7C199
Document #: 38-05160 Rev. *A
Page 3 of 13
Capacitance
[4 ]
I
SB1
Automatic CE
Power-down Current
—
TTL Inputs
Automatic CE
Power-down Current
—
CMOS Inputs
Max. V
CC
, CE > V
IH
,
V
IN
> V
IH
or V
IN
< V
IL
,
f = f
MAX
Max. V
CC
,
CE > V
CC
–
0.3V
V
IN
> V
CC
–
0.3V or
V
IN
< 0.3V, f=0
Com
’
l
L
30
5
30
5
25
5
25
5
mA
mA
I
SB2
Com
’
l
L
Mil
10
0.05
15
10
0.05
15
10
0.05
15
10
0.05
15
mA
μ
A
mA
Electrical Characteristics
Over the Operating Range (-20, -25, -35, -45) (continued)
[3]
Parameter
Description
Test Conditions
7C199-20
Min. Max. Min. Max. Min. Max.
7C199-25
7C199-35
7C199-45
Min.
Unit
Max.
Parameter
Description
Test Conditions
T
A
= 25
°
C, f = 1 MHz,
V
CC
= 5.0V
Max.
8
8
Unit
pF
pF
C
IN
C
OUT
Input Capacitance
Output Capacitance
AC Test Loads and Waveforms
[5]
Data Retention Characteristics
Over the Operating Range (L-version only)
Parameter
Description
Conditions
[6]
Min.
Max.
Unit
V
DR
V
CC
for Data Retention
2.0
V
I
CCDR
Data Retention Current
Com
’
l
V
CC
= V
DR
= 2.0V, CE > V
CC
–
0.3V, V
IN
> V
CC
–
0.3V or V
IN
<
0.3V
μ
A
Com
’
l L
10
μ
A
t
CDR[4]
t
R [5]
Chip Deselect to Data Retention Time
0
ns
Operation Recovery Time
200
μ
s
3.0V
5V
OUTPUT
R1 481
R2
255
30 pF
INCLUDING
JIG AND
SCOPE
GND
90%
10%
90%
10%
≤
t
r
≤
t
r
5V
OUTPUT
R1 481
R2
255
5 pF
INCLUDING
JIG AND
SCOPE
(a)
TH
é
VENIN EQUIVALENT
167
(b)
OUTPUT
1.73V
Equivalent to:
ALL INPUT PULSES
Data Retention Waveform
Note:
4.
5.
6.
Tested initially and after any design or process changes that may affect these parameters.
t
< 3 ns for the -12 and the -15 speeds. t
R
< 5 ns for the -20 and slower speeds
No input may exceed V
CC
+ 0.5V.
3.0V
3.0V
t
CDR
V
DR
> 2V
DATA RETENTION MODE
t
R
CE
V
CC
相關(guān)PDF資料
PDF描述
CY7C199L-20VC 32K x 8 Static RAM
CY7C199L-20ZC 32K x 8 Static RAM
CY7C199-20DMB 32K x 8 Static RAM
CY7C199-25LMB 32K x 8 Static RAM
CY7C199-10VC RSS Series - Econoline Unregulated DC-DC Converters; Input Voltage (Vdc): 05V; Output Voltage (Vdc): 24V; Power: 1W; 1kVDC and 3kVDC Isolation Options; Approved for Medical Applications; Suitable for Automated Assembly; 8, 10 and 12 pin Pinning Style Options; Optional Continuous Short Circuit Protected; Efficiency to 85%
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
CY7C199L-20ZC 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Cypress Semiconductor 功能描述:
CY7C199N-12ZXC 制造商:Rochester Electronics LLC 功能描述: 制造商:Cypress Semiconductor 功能描述:
CY7C199N-15ZXC 制造商:Rochester Electronics LLC 功能描述: 制造商:Cypress Semiconductor 功能描述:
CY7C199N-20PXC 制造商:Rochester Electronics LLC 功能描述: 制造商:Cypress Semiconductor 功能描述:
CY7C199N-25PXC 制造商:Cypress Semiconductor 功能描述:
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