U62256A
Data Retention Mode
E-Controlled
VCC
4.5 V
VCC(DR) ≥ 2 V
2.2 V
2.2 V
tDR
trec
Data Retention
E
0 V
V
- 0.2 V ≤ V
≤ V
+ 0.3 V
CC(DR)
E(DR)
CC(DR)
Data Retention
Characteristics
Symbol
Alt. IEC
Conditions
Min. Typ. Max.
Unit
Data Retention Supply Voltage
Data Retention Supply Current
V
2
5.5
V
CC(DR)
CC(DR)
I
VCC(DR) = 3 V
VE
= VCC(DR) - 0.2 V
C-Type
K-Type
A-Type
3
6
µA
µA
µA
30
Data Retention Setup Time
Operating Recovery Time
t
t
See Data Retention
Waveforms (above)
0
ns
ns
CDR
su(DR)
t
t
t
R
rec
cR
Test Configuration for Functional Check
5 V
A0
VCC
A1
A2
A3
A4
DQ0
DQ1
A5
960
A6
VIH
VIL
DQ2
DQ3
A7
A8
A9
DQ4
DQ5
DQ6
DQ7
A10
A11
A12
A13
A14
VO
30 pF e
E
W
G
510
VSS
e
In measurement of t
t
, t
, t
, t
, t
the capacitance is 5 pF.
dis(E), dis(W) dis(G) en(E) en(W) en(G)
6
April 20, 2004
ZMD [ Zentrum Mikroelektronik Dresden AG ]
