U62256 Datasheet, PDF (5/9 Pages) List of Unclassifed Manufacturers – STANDARD 32K X 8 SRAM

Data Retention Mode
E-Controlled
4.5 V
2.2 V
t_DR
0V
V_CC(DR) ≥ 2 V
Data Retention
t_rec
V_CC
2.2 V
E
V_CC(DR) - 0.2 V ≤ V_E(DR) ≤ V_CC(DR) + 0.3 V
U62256
Data Retention
Characteristics
Data Retention Supply Voltage
Data Retention Supply Current
Data Retention Setup Time
Operating Recovery Time
Symbol
Alt. IEC
Conditions
t_CDR
t_R
V_CC(DR)
I_CC(DR) V_CC(DR) = 3 V
V_E
= V_CC(DR)-0.2V
t_su(DR)
t_rec
See Data Retention
Waveforms (above)
Min. Typ. Max. Unit
2
5.5
V
30 µA
0
ns
t_cR
ns
Test Configuration for Functional Check
5V
A0
A1
V_CC
A2
A3
A4
DQ0
A5
DQ1
960
V_IH
A6
A7
DQ2
A8
DQ3
A9
DQ4
V_IL
A10
A11
A12
DQ5
DQ6
A13
DQ7
V_O
A14
E
W
G
V_SS
30 pF¹⁾
510
1)_{In measurement of tdis(E), tdis(W), tdis(G), ten(E), ten(W), ten(G) the capacitance is 5 pF.}
November 01, 2001
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