Datasheet

CY7C1526KV18
CY7C1513KV18
CY7C1515KV18
Document Number: 001-00435 Rev. *R Page 25 of 35
AC Electrical Characteristics
Over the Operating Range
Parameter
[28]
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
Parameter
[29]
Description Test Conditions Max Unit
C
IN
Input capacitance T
A
= 25 C, f = 1 MHz, V
DD
= 1.8 V, V
DDQ
= 1.5 V 4 pF
C
O
Output capacitance 4pF
Thermal Resistance
Parameter
[29]
Description Test Conditions
165-ball FBGA
Package
Unit
JA
Thermal resistance
(junction to ambient)
Test conditions follow standard test methods and
procedures for measuring thermal impedance, in
accordance with EIA/JESD51.
13.7 °C/W
JC
Thermal resistance
(junction to case)
3.73 °C/W
AC Test Loads and Waveforms
Figure 5. AC Test Loads and Waveforms
1.25 V
0.25 V
R = 50
5pF
INCLUDING
JIG AND
SCOPE
ALL INPUT PULSES
Device
R
L
= 50
Z
0
= 50
V
REF
= 0.75 V
V
REF
= 0.75 V
[30]
0.75 V
Under
Test
0.75 V
Device
Under
Test
OUTPUT
0.75 V
V
REF
V
REF
OUTPUT
ZQ
ZQ
(a)
Slew Rate = 2 V/ns
RQ =
250
(b)
RQ =
250
Notes
28. 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).
29. Tested initially and after any design or process change that may affect these parameters.
30. Unless otherwise noted, test conditions are based on signal transition time of 2V/ns, timing reference levels of 0.75 V, Vref = 0.75 V, RQ = 250
, V
DDQ
= 1.5 V, input
pulse levels of 0.25 V to 1.25 V, and output loading of the specified I
OL
/I
OH
and load capacitance shown in (a) of Figure 5.