参数资料
型号: CY7C1487V25-133BGI
厂商: CYPRESS SEMICONDUCTOR CORP
元件分类: DRAM
英文描述: 72-Mbit (2M x 36/4M x 18/1M x 72) Flow-Through SRAM
中文描述: 1M X 72 CACHE SRAM, 6.5 ns, PBGA209
封装: 14 X 22 MM, 1.76 MM HEIGHT, FBGA-209
文件页数: 15/30页
文件大小: 1028K
代理商: CY7C1487V25-133BGI
CY7C1481V25
CY7C1483V25
CY7C1487V25
Document #: 38-05281 Rev. *H
Page 15 of 30
2.5V TAP AC Test Conditions
Input pulse levels................................................ V
SS
to 2.5V
Input rise and fall time..................................................... 1 ns
Input timing reference levels.........................................1.25V
Output reference levels.................................................1.25V
Test load termination supply voltage.............................1.25V
1.8V TAP AC Test Conditions
Input pulse levels..................................... 0.2V to V
DDQ
– 0.2
Input rise and fall time .....................................................1 ns
Input timing reference levels...........................................0.9V
Output reference levels ..................................................0.9V
Test load termination supply voltage ..............................0.9V
2.5V TAP AC Output Load Equivalent
TDO
1.25V
20pF
Z = 50
50
1.8V TAP AC Output Load Equivalent
TDO
0.9V
20pF
Z = 50
50
TAP DC Electrical Characteristics And Operating Conditions
(0°C < T
A
< +70°C; V
DD
= 2.5V ±0.125V unless otherwise noted)
[12]
Parameter
V
OH1
V
OH2
Description
Output HIGH Voltage
Output HIGH Voltage
Test Conditions
Min
1.7
2.1
1.6
Max
Unit
V
V
V
V
V
V
V
V
V
V
μ
A
I
OH
= –1.0 mA
I
OH
= –100
μ
A
V
DDQ
= 2.5V
V
DDQ
= 2.5V
V
DDQ
= 1.8V
V
DDQ
= 2.5V
V
DDQ
= 2.5V
V
DDQ
= 1.8V
V
DDQ
= 2.5V
V
DDQ
= 1.8V
V
DDQ
= 2.5V
V
DDQ
= 1.8V
V
OL1
V
OL2
Output LOW Voltage
Output LOW Voltage
I
OL
= 1.0 mA
I
OL
= 100
μ
A
0.4
0.2
0.2
V
IH
Input HIGH Voltage
1.7
1.26
–0.3
–0.3
–5
V
DD
+ 0.3
V
DD
+ 0.3
0.7
0.36
5
V
IL
Input LOW Voltage
I
X
Input Load Current
GND
V
I
V
DDQ
Identification Register Definitions
Instruction Field
CY7C1481V25
(2M x 36)
000
01011
000001
CY7C1483V25
(4M x18)
000
01011
000001
CY7C1487V25
(1M x72)
000
01011
000001
Description
Revision Number (31:29)
Device Depth (28:24)
Architecture/Memory Type(23:18)
Describes the version number
Reserved for Internal Use
Defines memory type and
architecture
Defines width and density
Enables unique identification
of SRAM vendor
Indicates the presence of an
ID register
Bus Width/Density (17:12)
Cypress JEDEC ID Code (11:1)
100100
00000110100
010100
00000110100
110100
00000110100
ID Register Presence Indicator (0)
1
1
1
Note
12.All voltages refer to V
SS
(GND).
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相关PDF资料
PDF描述
CY7C1487V25-133BGXC 72-Mbit (2M x 36/4M x 18/1M x 72) Flow-Through SRAM
CY7C1487V25-133BGXI 72-Mbit (2M x 36/4M x 18/1M x 72) Flow-Through SRAM
CY7C1481V25-100AXC 72-Mbit (2M x 36/4M x 18/1M x 72) Flow-Through SRAM
CY7C1481V25-100AXI 72-Mbit (2M x 36/4M x 18/1M x 72) Flow-Through SRAM
CY7C1481V25-100BZC 72-Mbit (2M x 36/4M x 18/1M x 72) Flow-Through SRAM
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