LH28F160BJHE-TTL90 Sharp Microelectronics, LH28F160BJHE-TTL90 Datasheet - Page 10

• Manufacturer Part Number: LH28F160BJHE-TTL90
• Description: IC FLASH 16MBIT 90NS 48TSOP
• Manufacturer: Sharp Microelectronics

Specifications of LH28F160BJHE-TTL90

• Rohs Status: RoHS non-compliant
• Format - Memory: FLASH
• Memory Type: Boot Block FLASH
• Memory Size: 16M (2M x 8 or 1M x 16)
• Speed: 90ns
• Interface: Parallel
• Voltage - Supply: 2.7 V ~ 3.6 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 48-TSOP
• Other names: 425-1824; LH28F160BJHE-BTL90; LHF16J04

2 PRINCIPLES OF OPERATION
The LH28F160BJHE-TTL90 flash memory includes an
on-chip WSM to manage block erase, full chip erase,
word/byte write and lock-bit configuration functions. It
allows for: 100% TTL-level control inputs, fixed power
supplies during block erase, full chip erase, word/byte
write and lock-bit configuration, and minimal processor
overhead with RAM-like interface timings.
After initial device power-up or return from reset mode
(see section 3 Bus Operations), the device defaults to read
array mode. Manipulation of external memory control pins
allow array read, standby and output disable operations.
Status register and identifier codes can be accessed
through the CUI independent of the V
voltage on V
erase, word/byte write and lock-bit configurations. All
functions associated with altering memory contents−block
erase,
configuration, status and identifier codes−are accessed via
the CUI and verified through the status register.
Commands are written using standard microprocessor
write timings. The CUI contents serve as input to the
WSM, which controls the block erase, full chip erase,
word/byte write and lock-bit configuration. The internal
algorithms are regulated by the WSM, including pulse
repetition, internal verification and margining of data.
Addresses and data are internally latched during write
cycles. Writing the appropriate command outputs array
data, accesses the identifier codes or outputs status register
data.
Interface software that initiates and polls progress of block
erase, full chip erase, word/byte write and lock-bit
configuration can be stored in any block. This code is
copied to and executed from system RAM during flash
memory updates. After successful completion, reads are
again possible via the Read Array command. Block erase
suspend allows system software to suspend a block erase
to read/write data from/to blocks other than that which is
suspend. Word/byte write suspend allows system software
to suspend a word/byte write to read data from any other
flash memory array location.
sharp
full
CCW
chip
enables successful block erase, full chip
erase,
word/byte
CCW
write,
voltage. High
lock-bit
LHF16J04
[A
19
FDFFF
FCFFF
FBFFF
FAFFF
FFFFF
FEFFF
FD000
FA000
EFFFF
DFFFF
CFFFF
BFFFF
AFFFF
9FFFF
8FFFF
7FFFF
6FFFF
5FFFF
4FFFF
3FFFF
2FFFF
1FFFF
0FFFF
FE000
FC000
FB000
F9FFF
F8FFF
F7FFF
E7FFF
D7FFF
C7FFF
B7FFF
A7FFF
97FFF
87FFF
77FFF
67FFF
57FFF
47FFF
37FFF
27FFF
17FFF
07FFF
FF000
F9000
F8000
F0000
E8000
E0000
D8000
D0000
C8000
C0000
B8000
B0000
A8000
A0000
98000
90000
88000
80000
78000
70000
68000
60000
58000
50000
48000
40000
38000
30000
28000
20000
18000
10000
08000
00000
-A
0
]
Figure 3. Memory Map
4KW/8KB Parameter Block
4KW/8KB Parameter Block
4KW/8KB Parameter Block
4KW/8KB Parameter Block
4KW/8KB Parameter Block
4KW/8KB Parameter Block
32KW/64KB Main Block
32KW/64KB Main Block
32KW/64KB Main Block
32KW/64KB Main Block
32KW/64KB Main Block
32KW/64KB Main Block
32KW/64KB Main Block
32KW/64KB Main Block
32KW/64KB Main Block
32KW/64KB Main Block
32KW/64KB Main Block
32KW/64KB Main Block
32KW/64KB Main Block
32KW/64KB Main Block
32KW/64KB Main Block
32KW/64KB Main Block
32KW/64KB Main Block
32KW/64KB Main Block
32KW/64KB Main Block
32KW/64KB Main Block
32KW/64KB Main Block
32KW/64KB Main Block
32KW/64KB Main Block
32KW/64KB Main Block
32KW/64KB Main Block
32KW/64KB Main Block
32KW/64KB Main Block
32KW/64KB Main Block
32KW/64KB Main Block
32KW/64KB Main Block
32KW/64KB Main Block
4KW/8KB Boot Block
4KW/8KB Boot Block
Top Boot
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
0
1
1
3
0
2
4
5
0
1
2
3
4
5
6
7
8
9
[A
03FFFF
030000
02FFFF
020000
1FFFFF
1FE000
1FDFFF
1FC000
1FBFFF
1FA000
1F9FFF
1F8000
1F7FFF
1F6000
1F5FFF
1F4000
1F3FFF
1F2000
1F1FFF
1F0000
1EFFFF
1E0000
1DFFFF
1D0000
1CFFFF
1C0000
1BFFFF
1B0000
1AFFFF
1A0000
19FFFF
190000
18FFFF
180000
17FFFF
170000
16FFFF
160000
15FFFF
150000
14FFFF
140000
13FFFF
130000
12FFFF
120000
11FFFF
110000
10FFFF
100000
0FFFFF
0F0000
0EFFFF
0E0000
0DFFFF
0D0000
0CFFFF
0C0000
0BFFFF
0B0000
0AFFFF
0A0000
09FFFF
090000
08FFFF
080000
07FFFF
070000
06FFFF
060000
05FFFF
050000
04FFFF
040000
01FFFF
010000
00FFFF
000000
19
Rev. 1.26
-A
-1
]
7