Datasheet

CY7C1525KV18
CY7C1512KV18
CY7C1514KV18
Document Number: 001-00436 Rev. *R Page 16 of 34
TAP Controller Block Diagram
0
012..29
3031
Boundary Scan Register
Identification Register
012..
.
.108
012
Instruction Register
Bypass Register
Selection
Circuitry
Selection
Circuitry
TAP Controller
TDI
TDO
TCK
TMS
TAP Electrical Characteristics
Over the Operating Range
Parameter
[13, 14, 15]
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 A1.6–V
V
OL1
Output LOW voltage I
OL
= 2.0 mA – 0.4 V
V
OL2
Output LOW voltage I
OL
= 100 A–0.2V
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 A
Notes
13. These characteristics pertain to the TAP inputs (TMS, TCK, TDI, and TDO). Parallel load levels are specified in the Electrical Characteristics on page 22.
14. Overshoot: V
IH(AC)
< V
DDQ
+ 0.85 V (Pulse width less than t
CYC
/2), Undershoot: V
IL(AC)
> –1.5 V (Pulse width less than t
CYC
/2).
15. All voltage referenced to Ground.