Cypress CY7C1156V18 用户手册
CY7C1141V18, CY7C1156V18
CY7C1143V18, CY7C1145V18
CY7C1143V18, CY7C1145V18
Document Number: 001-06583 Rev. *D
Page 16 of 28
TAP Controller Block Diagram
Figure 3. Tap Controller Block Diagram
TAP Electrical Characteristics
The Tap Electrical Characteristics table over the operating range follows.
Parameter
Description
Test Conditions
Min
Max
Unit
V
OH1
Output HIGH Voltage
I
OH
=
−2.0 mA
1.4
V
V
OH2
Output HIGH Voltage
I
OH
=
−100 μA
1.6
V
V
OL1
Output LOW Voltage
I
OL
= 2.0 mA
0.4
V
V
OL2
Output LOW Voltage
I
OL
= 100
μA
0.2
V
V
IH
Input HIGH Voltage
0.65 V
DD
V
DD
+ 0.3
V
V
IL
Input LOW Voltage
–0.3
0.35 V
DD
V
I
X
Input and Output Load Current
GND
≤ V
I
≤ V
DD
–5
5
μA
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
Circuitry
Selection
Circuitry
Circuitry
TAP Controller
TDI
TDO
TCK
TMS
Notes
12. These characteristic pertain to the TAP inputs (TMS, TCK, TDI and TDO). Parallel load levels are specified in the Electrical Characteristics table.
13. Overshoot: V
13. Overshoot: V
IH
(AC) < V
DDQ
+ 0.35V (Pulse width less than t
CYC
/2), Undershoot: V
IL
(AC) >
−
0.3V (Pulse width less than t
CYC
/2).
14. All voltage refer to ground.