N01S818HA
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8
Figure 14. QUAD Write Mode Register Sequence
CS
Instruction
0321
SCK
C1 C0 H L
C[1:0] = 01hNotes:
MSB
Mode Bits
SIO[3:0]
Table 5. MODE REGISTER
Bit Function
0 Hold Function
1 = Hold function disabled
0 = Hold function enabled (Default)
1 Reserved
2 Reserved
3 Reserved
4 Reserved
5 Reserved
6
Operating Mode
Bit 7 Bit 6
0 0 = Word Mode
1 0 = Page Mode
0 1 = Burst Mode (Default)
1 1 = Reserved
7
Power-Up State
The serial SRAM enters a know state at power-up time.
The device is in low-power standby state with CS
= 1. A low
level on CS
is required to enter a active state.
Table 6. ABSOLUTE MAXIMUM RATINGS
Item Symbol Rating Units
Voltage on any pin relative to V
SS
V
IN,OUT
–0.3 to V
CC
+0.3 V
Voltage on V
CC
Supply Relative to V
SS
V
CC
–0.3 to 5.5 V
Power Dissipation P
D
500 mW
Storage Temperature T
STG
–40 to 125 °C
Operating Temperature T
A
-40 to +85 °C
Soldering Temperature and Time T
SOLDER
260°C, 10 sec °C
Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the
Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect
device reliability.
Table 7. OPERATING CHARACTERISTICS (OVER SPECIFIED TEMPERATURE RANGE)
Item Symbol Test Conditions Min Typ (Note 1) Max Units
Supply Voltage V
CC
1.7 2.2 V
Data Retention Voltage (Note 2) V
DR
1.0 V
Input High Voltage V
IH
0.7 V
CC
V
CC
+ 0.3
Input Low Voltage V
IL
−0.3 0.2 V
CC
V
Output High Voltage V
OH
I
OH
= −0.4 mA V
CC
− 0.2 V
Output Low Voltage V
OL
I
OL
= 1 mA 0.2 V
Input Leakage Current I
LI
CS = V
CC
, V
IN
= 0 to V
CC
1.0
mA
Output Leakage Current I
LO
CS = V
CC
, V
OUT
= 0 to V
CC
1.0
mA
Operating Current I
CC
f = 20 MHz, I
OUT
= 0, SPI / DUAL 10
mA
f = 20 MHz, I
OUT
= 0, QUAD 10
Standby Current I
SB
CS = V
CC
, V
IN
= V
SS
or V
CC
1 5
mA
1. Typical values are measured at V
CC
= V
CC
Typ., T
A
= 25°C and are not 100% tested.
2. Typical lower limit of VCC when data will be retained in the memory array, not 100% tested.
