Datasheet

CY7C1292DV18
CY7C1294DV18
Document #: 001-00350 Rev. *E Page 20 of 26
AC Input Requirements
Over the Operating Range
Parameter Description Test Conditions Min Typ Max Unit
V
IH
Input HIGH Voltage V
REF
+ 0.2 – – V
V
IL
Input LOW Voltage – – V
REF
- 0.2 V
Capacitance
Tested initially and after any design or process change that may affect these parameters.
Parameter Description Test Conditions Max Unit
C
IN
Input Capacitance T
A
= 25C, f = 1 MHz,
V
DD
= 1.8V
V
DDQ
= 1.5V
5pF
C
CLK
Clock Input Capacitance 6 pF
C
O
Output Capacitance 7 pF
Thermal Resistance
Tested initially and after any design or process change that may affect these parameters.
Parameter Description Test Conditions 165 FBGA Unit

JA
Thermal Resistance (Junction to Ambient) Test conditions follow standard test
methods and procedures for measuring
thermal impedance, per EIA/JESD51.
28.51 C/W

JC
Thermal Resistance (Junction to Case) 5.91 C/W
Figure 4. AC Test Loads and Waveforms
1.25V
0.25V
R = 50
5pF
ALL INPUT PULSES
Device
R
L
= 50
Z
0
= 50
V
REF
= 0.75V
V
REF
= 0.75V
[23]
0.75V
Under
Tes t
0.75V
Device
Under
Tes t
OUTPUT
0.75V
V
REF
V
REF
OUTPUT
ZQ
ZQ
(a)
Slew Rate = 2 V/ns
RQ =
250

(b)
RQ =
250

Note
23. Unless otherwise noted, test conditions assume signal transition time of 2V/ns, timing reference levels of 0.75V, Vref = 0.75V, RQ = 250, V
DDQ
= 1.5V, input pulse
levels of 0.25V to 1.25V, and output loading of the specified I
OL
/I
OH
and load capacitance shown in (a) of AC Test Loads and Waveforms.