Capacitance, Thermal resistance, Ac test loads and waveforms – Cypress CY62147DV30 User Manual
Page 4: Data retention characteristics, Data retention waveform
CY62147DV30
Document #: 38-05340 Rev. *F
Page 4 of 12
Notes:
10. Tested initially and after any design or process changes that may affect these parameters.
11. Test condition for the 45-ns part is a load capacitance of 30 pF.
12. Full device operation requires linear V
CC
ramp from V
DR
to V
CC(min.)
> 100
µs or stable at V
CC(min.)
> 100
µs.
13. BHE.BLE is the AND of both BHE and BLE. Chip can be deselected by either disabling the chip enable signals or by disabling both BHE and BLE.
Capacitance
(for all packages)
[10]
Parameter
Description
Test Conditions
Max.
Unit
C
IN
Input Capacitance
T
A
= 25°C, f = 1 MHz,
V
CC
= V
CC(typ)
10
pF
C
OUT
Output Capacitance
10
pF
Thermal Resistance
[10]
Parameter
Description
Test Conditions
VFBGA
TSOP II
Unit
Θ
JA
Thermal Resistance
(Junction to Ambient)
Still Air, soldered on a 3 × 4.5 inch, four-layer
printed circuit board
72
75.13
°C/W
Θ
JC
Thermal Resistance
(Junction to Case)
8.86
8.95
°C/W
AC Test Loads and Waveforms
[10]
Parameters
2.50V
3.0V
Unit
R1
16667
1103
Ω
R2
15385
1554
Ω
R
TH
8000
645
Ω
V
TH
1.20
1.75
V
Data Retention Characteristics
(Over the Operating Range)
Parameter
Description
Conditions
Min.
Typ.
[5]
Max.
Unit
V
DR
V
CC
for Data Retention
1.5
V
I
CCDR
Data Retention Current
V
CC
= 1.5V
CE > V
CC
– 0.2V,
V
IN
> V
CC
– 0.2V or
V
IN
< 0.2V
L (Auto-E)
15
µA
LL (Ind’l/Auto-A)
6
t
CDR
[10]
Chip Deselect to Data Retention
Time
0
ns
t
R
[12]
Operation Recovery Time
t
RC
ns
V
CC
V
CC
OUTPUT
R2
50 pF
INCLUDING
JIG AND
SCOPE
GND
90%
10%
90%
10%
Rise Time = 1 V/ns
Fall Time = 1 V/ns
OUTPUT
V
Equivalent to:
THÉ
VENIN EQUIVALENT
ALL INPUT PULSES
R
TH
R1
Data Retention Waveform
[13]
V
CC(min)
V
CC(min)
t
CDR
V
DR
> 1.5 V
DATA RETENTION MODE
t
R
V
CC
CE or
BHE.BLE