lrs1830 Sharp Microelectronics of the Americas, lrs1830 Datasheet - Page 40
lrs1830
Manufacturer Part Number
lrs1830
Description
Stacked Chip 256m X16 Boot Block Flash And 32m X16 Scram
Manufacturer
Sharp Microelectronics of the Americas
Datasheet
1.LRS1830.pdf
(82 pages)
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Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
LRS1830
Manufacturer:
SHARP
Quantity:
6 236
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Part Number:
LRS1830
Manufacturer:
FAIRCHILD
Quantity:
50 000
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7.3.3 Write Cycle
Notes:
Symbol
t
t
t
1. t
2. t
t
t
OHAH
CHAH
BHAH
t
t
t
t
t
t
t
t
t
t
WHP
WHZ
t
t
OEH
t
t
OES
OW
DW
WC
CW
AW
BW
WR
WP
DH
CP
BP
AS
sharp
OES
BHAH
Write Cycle Time
Chip Enable to End of Write
Address Valid to End of Write
Byte Select Time
Write Pulse Width
Write Recovery Time
SC-CE
LB, UB High Level Pulse Width
WE High Pulse Width
WE Low to Output in High-Z
WE High to Output Active
Address Setup Time
Input Data Setup Time
Input Data Hold Time
OE High Level to Address Hold
SC-CE
LB, UB High Level to Address Hold
OE High Level to WE Set
WE High Level to OE Set
and t
is specified after both LB and UB are High.
OEH
1
1
High Level Pulse Width
High Level to Address Hold
(Max.) are applied while SC-CE
Parameter
1
is being hold at low level.
L R S1 8 3 0
(T
A
= -30°C to +85°C, V
Notes
2
1
1
Min.
55
50
10
10
10
15
10
70
55
55
30
-5
0
0
0
0
0
0
10,000
10,000
CC
Max.
25
= 2.7V to 3.1V)
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
37
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