Cypress CY7C1370DV25 Computer Hardware User Manual


 
CY7C1370DV25
CY7C1372DV25
Document #: 38-05558 Rev. *D Page 14 of 27
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
2.5V TAP AC Output Load Equivalent
Note:
11.All voltages referenced to V
SS
(GND).
T
DO
1.25V
20p
F
Z = 50
O
50
TAP DC Electrical Characteristics And Operating Conditions
(0°C < TA < +70°C; V
DD
= 2.5V ±0.125V unless otherwise noted)
[11]
Parameter Description Test Conditions Min. Max. Unit
V
OH1
Output HIGH Voltage I
OH
= –1.0 mA, V
DDQ
= 2.5V 2.0 V
V
OH2
Output HIGH Voltage I
OH
= –100 µA, V
DDQ
= 2.5V 2.1 V
V
OL1
Output LOW Voltage I
OL
= 8.0 mA, V
DDQ
= 2.5V 0.4 V
V
OL2
Output LOW Voltage I
OL
= 100 µA V
DDQ
= 2.5V 0.2 V
V
IH
Input HIGH Voltage V
DDQ
= 2.5V 1.7 V
DD
+ 0.3 V
V
IL
Input LOW Voltage V
DDQ
= 2.5V –0.3 0.7 V
I
X
Input Load Current GND < V
IN
< V
DDQ
–5 5 µA
Scan Register Sizes
Register Name
Bit Size (x18)
Bit Size (x36)
Instruction 3 3
Bypass 1 1
ID 32 32
Boundary Scan Order (119-ball BGA package) 85 85
Boundary Scan Order (165-ball fBGA package) 89 89
Identification Register Definitions
Instruction Field CY7C1372DV25 CY7C1370DV25 Description
Revision Number (31:29) 000 000 Reserved for version number.
Cypress Device ID (28:12) 01011001000100101 01011001000010101 Reserved for future use.
Cypress JEDEC ID (11:1) 00000110100 00000110100 Allows unique identification of
SRAM vendor.
ID Register Presence (0) 1 1 Indicate the presence of an ID
register.
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