N25S830HAS22I

N25S830HA
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10
WRITE Status Register Instruction (WRSR)
This instruction provides the ability to write the status
register and select among several operating modes. Several
of the register bits must be set to a low ‘0’ if any of the other
bits are written. The timing sequence to write to the status
register is shown below, followed by the organization of the
status register.
CS
Instruction
SI
04325169810711
SCK
7 6543210
High−Z
Status Register Data In
SO
00 000 10
12 13 14 15
0
Figure 14. WRITE Status Register Sequence
Bit 0Bit 1Bit 2Bit 3Bit 4Bit 5Bit 6Bit 7
Hold Function
0 = Hold (Default)
1 = No Hold
Reserved
Must = 0
Reserved
Must = 0
Mode
0 0 = Word Mode (Default)
1 0 = Page Mode
0 1 = Burst Mode
1 1 = Reserved
Figure 15. Status Register
READ Status Register Instruction (RDSR)
This instruction provides the ability to read the Status register. The register may be read at any time by performing the
following timing sequence.
CS
Instruction
SI
04325169810711
SCK
7 6543210
High−Z
Status Register Data Out
SO
00 000 10
12 13 14 15
1
Figure 16. READ Status Register Instruction (RDSR)
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 an active state.
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11
PACKAGE DIMENSIONS
TSSOP8, 4.4x3
CASE 948AL−01
ISSUE O
E1
E
A2
A1
e
b
D
c
A
TOP VIEW
SIDE VIEW
END VIEW
q1
L1
L
Notes:
(1) All dimensions are in millimeters. Angles in degrees.
(2) Complies with JEDEC MO-153.
SYMBOL
θ
MIN NOM MAX
A
A1
A2
b
c
D
E
E1
e
L1
L
0.05
0.80
0.19
0.09
0.50
2.90
6.30
4.30
0.65 BSC
1.00 REF
1.20
0.15
1.05
0.30
0.20
0.75
3.10
6.50
4.50
0.90
0.60
3.00
6.40
4.40
N25S830HA
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12
PACKAGE DIMENSIONS
SOIC 8, 150 mils
CASE 751BD−01
ISSUE O
E1 E
A
A1
h
θ
L
c
e
b
D
PIN # 1
IDENTIFICATION
TOP VIEW
SIDE VIEW
END VIEW
Notes:
(1) All dimensions are in millimeters. Angles in degrees.
(2) Complies with JEDEC MS-012.
SYMBOL MIN NOM MAX
θ
A
A1
b
c
D
E
E1
e
h
0.10
0.33
0.19
0.25
4.80
5.80
3.80
1.27 BSC
1.75
0.25
0.51
0.25
0.50
5.00
6.20
4.00
L
0.40 1.27
1.35
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N25S830HAS22I

Mfr. #:
Manufacturer:
ON Semiconductor
Description:
SRAM 256KB 3V SERIAL SRAM
Lifecycle:
New from this manufacturer.
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