參數(shù)資料
型號: CY7C1518V18-300BZXC
廠商: CYPRESS SEMICONDUCTOR CORP
元件分類: DRAM
英文描述: 72-Mbit DDR-II SRAM 2-Word Burst Architecture
中文描述: 4M X 18 DDR SRAM, 0.45 ns, PBGA165
封裝: 15 X 17 MM, 1.40 MM HEIGHT, LEAD FREE, MO-216, FBGA-165
文件頁數(shù): 15/28頁
文件大?。?/td> 457K
代理商: CY7C1518V18-300BZXC
CY7C1516V18
CY7C1527V18
CY7C1518V18
CY7C1520V18
Document #: 38-05563 Rev. *D
Page 15 of 28
TAP Controller Block Diagram
TAP Electrical Characteristics
Over the Operating Range
[16, 18, 11]
Parameter
V
OH1
V
OH2
V
OL1
V
OL2
V
IH
V
IL
I
X
Description
Test Conditions
I
OH
=
2.0 mA
I
OH
=
100
μ
A
I
OL
= 2.0 mA
I
OL
= 100
μ
A
Min.
1.4
1.6
Max.
Unit
V
V
V
V
V
V
μ
A
Output HIGH Voltage
Output HIGH Voltage
Output LOW Voltage
Output LOW Voltage
Input HIGH Voltage
Input LOW Voltage
Input and OutputLoad Current
0.4
0.2
0.65 V
DD
–0.3
5
V
DD
+ 0.3
0.35 V
DD
5
GND
V
I
V
DD
TAP AC Switching Characteristics
Over the Operating Range
[12, 13]
Parameter
t
TCYC
t
TF
t
TH
t
TL
Notes:
11. These characteristics pertain to the TAP inputs (TMS, TCK, TDI and TDO). Parallel load levels are specified in the Electrical Characteristics Table.
12.t
and t
refer to the set-up and hold time requirements of latching data from the boundary scan register.
13.Test conditions are specified using the load in TAP AC test conditions. t
R
/t
F
= 1 ns.
Description
Min.
50
Max.
Unit
ns
MHz
ns
ns
TCK Clock Cycle Time
TCK Clock Frequency
TCK Clock HIGH
TCK Clock LOW
20
20
20
0
0
1
2
.
.
29
30
31
Boundary Scan Register
Identification Register
0
1
2
.
.
.
.
106
0
1
2
Instruction Register
Bypass Register
Selection
Circuitry
Selection
Circuitry
TAP Controller
TDI
TDO
TCK
TMS
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