Cypress Perform CY7C1354C - Manual (Page 13)

CY7C1354C
CY7C1356C
Document #: 38-05538 Rev. *G Page 13 of 28
3.3V TAP AC Test Conditions
Input pulse levels ................................................ V
SS
to 3.3V
Input rise and fall times ................................................... 1 ns
Input timing reference levels ...........................................1.5V
Output reference levels...................................................1.5V
Test load termination supply voltage ...............................1.5V
3.3V TAP AC Output Load Equivalent
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
TDO
1.5V
20pF Z = 50 Ω
O
50 Ω
TDO
1.25V
20pF Z = 50 Ω
O
50 Ω
TAP DC Electrical Characteristics And Operating Conditions
(0°C < TA < +70°C; V
DD
= 3.3V ±0.165V unless otherwise noted) [12]
Parameter Description Test Conditions Min. Max. Unit
V
OH1
Output HIGH Voltage I
OH
= –4.0 mA, V
DDQ
= 3.3V 2.4 V
I
OH
= –1.0 mA, V
DDQ
= 2.5V 2.0 V
V
OH2
Output HIGH Voltage I
OH
= –100 µA V
DDQ
= 3.3V 2.9 V
V
DDQ
= 2.5V 2.1 V
V
OL1
Output LOW Voltage I
OL
= 8.0 mA V
DDQ
= 3.3V 0.4 V
V
DDQ
= 2.5V 0.4 V
V
OL2
Output LOW Voltage I
OL
= 100 µA V
DDQ
= 3.3V 0.2 V
V
DDQ
= 2.5V 0.2 V
V
IH
Input HIGH Voltage V
DDQ
= 3.3V 2.0 V
DD
+ 0.3 V
V
DDQ
= 2.5V 1.7 V
DD
+ 0.3 V
V
IL
Input LOW Voltage V
DDQ
= 3.3V –0.3 0.8 V
V
DDQ
= 2.5V –0.3 0.7 V
I
X
Input Load Current GND < V
IN
< V
DDQ
–5 5 µA
Identification Register Definitions
Instruction Field CY7C1354C CY7C1356C Description
Revision Number (31:29) 000 000 Reserved for version number.
Cypress Device ID (28:12) [13] 01011001000100110 01011001000010110 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.
Notes:
12. All voltages referenced to V
SS
(GND).
13. Bit #24 is “1” in the Register Definitions for both 2.5V and 3.3V versions of this device.
[+] Feedback