参数资料
型号: Am29LV017B-120FCB
厂商: Advanced Micro Devices, Inc.
英文描述: CAT5E 350MHZ PATCH CABLE 30FT, GREEN
中文描述: 16兆位(2米× 8位)的CMOS 3.0伏特,只有统一部门闪存
文件页数: 19/39页
文件大小: 510K
代理商: AM29LV017B-120FCB
19
Am29LV017B
P R E L IM IN A R Y
Table 8.
Am29LV017B Command Definitions
Legend:
X = Don’t care
RA = Address of the memory location to be read.
RD = Data read from location RA during read operation.
PA = Address of the memory location to be programmed.
Addresses are latched on the falling edge of the WE# or CE#
pulse.
PD = Data to be programmed at location PA. Data is latched
on the rising edge of WE# or CE# pulse.
SA = Address of the sector to be erased or verified. Address
bits A20–A16 uniquely select any sector.
Notes:
1. See Table 1 for descriptions of bus operations.
2. All values are in hexadecimal.
3. Except when reading array or autoselect data, all bus
cycles are write operations.
4. Address bits are don’t care for unlock and command
cycles, except when PA or SA is required.
5. No unlock or command cycles required when device is in
read mode.
6. The Reset command is required to return to the read
mode when the device is in the autoselect mode or if DQ5
goes high.
7. The fourth cycle of the autoselect command sequence is
a read cycle.
8. The data is 00h for an unprotected sector and 01h for a
protected sector.
9. The Unlock Bypass command is required prior to the
Unlock Bypass Program command.
10. The Unlock Bypass Reset command is required to return
to reading array data when the device is in the Unlock
Bypass mode.
11. The system may read and program functions in non-
erasing sectors, or enter the autoselect mode, when n the
Erase Suspend mode. The Erase Suspend command is
valid only during a sector erase operation.
12. The Erase Resume command is valid only during the
Erase Suspend mode.
Command Sequence
(Note 1)
Bus Cycles (Notes 2–4)
First
Second
Addr
Third
Fourth
Addr
Fifth
Sixth
Addr
RA
Data
RD
Data
Addr
Data
Data
Addr
Data
Addr
Data
Read (Note 5)
1
Reset (Note 6)
1
XXX
F0
Auto-
select
(Note 7)
Manufacturer ID
4
XXX
AA
XXX
55
XXX
90
X00
01
Device ID
4
XXX
AA
XXX
55
XXX
90
X01
C8
Sector Protect
Verify (Note 8)
4
XXX
AA
XXX
55
XXX
90
SA
X02
00
XXX
XXX
XXX
01
Byte Program
4
XXX
AA
XXX
55
XXX
A0
PA
PD
Unlock Bypass
3
XXX
AA
XXX
55
XXX
20
Unlock Bypass Program
(Note 9)
2
XXX
A0
PA
PD
Unlock Bypass Reset
(Note 10)
2
XXX
90
XXX
00
Chip Erase
6
XXX
AA
XXX
55
XXX
80
XXX
AA
XXX
55
XXX
10
Sector Erase
6
XXX
AA
XXX
55
XXX
80
XXX
AA
XXX
55
SA
30
Erase Suspend (Note 11)
1
XXX
B0
Erase Resume (Note 12)
1
XXX
30
C
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