HY29LV320 Datasheet, PDF (10/44 Pages) Hynix Semiconductor – 32 Mbit (2M x 16) Low Voltage Flash Memory

HY29LV320
Table 4. HY29LV320 Normal Bus Operations ¹
Operation
CE# OE# WE# RESET# WP#/ACC A[20:0] DQ[15:0]
Read
Write
Output Disable
L
LH
H
L/H
A_IN
D_OUT
L
HL
H
Notes 2, 3
A_IN
D_IN
L
HH
H
L/H
X
High-Z
CE# Normal Standby
H
XX
H
L/H
X
High-Z
CE# Deep Standby
V_CC ± 0.3V X
X V_CC ± 0.3V
L/H
X
High-Z
Hardware Reset (Normal Standby)
X
XX
L
L/H
X
High-Z
Hardware Reset (Deep Standby)
X
X X V_SS ± 0.3V L/H
X
High-Z
Notes:
1. L = V , H = V , X = Don’t Care (L or H), D = Data Out, D = Data In. See DC Characteristics for voltage levels.
IL
IH
OUT
IN
2. If WP#/ACC = V_IL, the boot sectors are protected. If WP#/ACC = V_IH, the protection state of the boot sectors depends on
whether they were last protected or unprotected using the method described in “Sector Group Protection and Unprotection”.
If WP#/ACC = V , all sectors will be unprotected.
HH
3. See Table 5 for Accelerated Program function with WP#/ACC = V_HH.
Table 5. HY29LV320 Bus Operations Requiring High Voltage ^{1, 2}
Operation
CE# OE# WE# RESET#
WP#/
ACC
A[20:12] ³ A[9]
A[6]
A[1]
A[0] DQ[15:0] ⁷
Accelerated Program L H L
Sector Group Protect L H L
Sector Unprotect
LHL
Temporary Sector
Unprotect ⁶
-- -- --
Manufacturer Code
LLH
Device ^HY29LV320B
Code HY29LV320T
L
L
H
Sector _Unprotected
Protect
LLH
State ^{4 Protected}
Secure Factory
Sector Locked
Indicator Not Factory
L
L
H
Bit
Locked
H
V_HH ⁵
A_IN
V_ID
H
SGA
V_ID
H
X
V_ID
Note 4
--
H
L/H
X
H
L/H
X
H
L/H
SA
H
L/H
X
A_IN
A_IN
A_IN
A_IN
CMD_IN
X
L
H
L
CMD_IN
X HHL
D_IN
-- -- -- --
--
V_ID
L
L
L 0x00AD
0x227D
V_ID
L
L
H
0x227E
0xXX00
V_ID
L
H
L
0xXX01
0xXX80
V_ID
L
H
H
0xXX00
Notes:
1. L = V_IL, H = V_IH, X = Don’t Care (L or H), V_ID = 12V nominal. See DC Characteristics for voltage specifications.
2. Address bits not specified are Don’t Care.
3. SA = Sector Address, SGA = Sector Group Address. See Tables 1, 2, 6, and 7. A_IN = address input.
4. If WP#/ACC = V , the boot sectors remain protected.
IL
5. Protected sectors are temporarily unprotected when V is applied to the WP#/ACC pin.
HH
6. Normal read, write and output disable operations are used in this mode. See Table 4.
7. D_IN = input data, CMD_IN = Command input.
10
r1.3/May 02