Sharp LH5164AZ8 Datasheet
LH5164AZ8
CMOS 64K (8K × 8 ) Static RAM
FEATURES
•• 8,192 × 8 bit organ izatio n
•• Acces s time:
200 ns (V
= 3.0 V MAX.)
CC
•• Power co nsump tion:
Operati ng:
60 mW (MAX.) @ 3 V
Standb y (to 60° C):
3 µW (MAX.) @ 3 V
Data hold
0.6 µA (V
= 3 V, TA = 60°C)
CC
•• Operating voltage range:
3.0 V to 3.6 V
•• Wide operating te mperature range:
-30 to 60° C
•• Ful ly-static operation
•• TTL compatibl e I/ O
•• Three-state outpu ts
•• Pa ckage : 28-pin , 450-mil SOP
DESCRIP TION
The LH5164AZ8 is a static RAM organized as
8,192 × 8 bits. It is fa bricated using silicon-gate CMOS
process technology.
PIN CONNECTI ONS
28-PIN SOP
NC
A
A
A
A
A
A
A
A
A
I/O
I/O
I/O
GND
1
2
12
3
7
4
6
5
5
6
4
7
3
8
2
9
1
10
0
11
1
12
2
13
3
14
28
27
26
25
24
23
22
21
20
19
18
17
16
15
Figure 1. Pin Connections for SOP Package
V
WE
CE
A
A
A
OE
A
CE
I/O
I/O
I/O
I/O
I/O
TOP VIEW
CC
2
8
9
11
10
1
8
7
6
5
4
5164AZ8-1
1
LH5164A Z8 CMOS 64K (8 K ×× 8) Static RAM
A
24
9
25
A
8
2
A
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
12
A
3
7
A
4
6
A
5
5
A
6
4
A
7
3
11
1
12
2
13
3
15
4
16
5
17
6
18
7
19
8
BUFFERS
ROW ADDRESS
INPUT
DATA
CONTROL
ROW SELECT
MEMORY
ARRAY
(256 x 256)
COLUMN I/O
CIRCUITS
COLUMN SELECT
COLUMN ADDRESS
BUFFERS
28
14
V
CC
GND
27
WE
22
OE
26
CE
2
CE
20
1
PIN DESCRIPTION
SIGNA L PIN N AME
A0 - A
12
CE1 - CE
WE Write E na ble inp ut
OE Outpu t E nab le inp ut
Addre ss inputs
Chip Ena ble in put
2
8239
A2A1A0A
10 21
A
11
Figure 2. LH5164AZ8 Block Diagram
SIGNAL PIN NAME
I/O1 - I/O
8
V
CC
GND Ground
NC Non co nne cti on
10
Data i npu ts and ou tpu ts
Power sup ply
5164AZ8-2
2
CMOS 64K (8K ×× 8) Static RAM LH5164AZ8
TRUTH TABLE
CE
1
CE
2
WE OE MODE I/O1 - I/O
SUPPLY CURRENT NOTE
8
H X X X Standby High-Z Standby (ISB)1
X L X X Standby High-Z Standby (ISB)1
L H L X Write D
L H H L Read D
IN
OUT
L H H H Output deselect High-Z Operating (I
NOTE:
1. X = H or L
Operating (ICC)1
Operating (ICC)
)
CC
ABSOLUTE MAXIMUM RATINGS
PARAMETER SYMBOL RATING UNIT NOTE
Suppl y v olt age V
Input vol tage V
CC
IN
Operating temperature Topr -30 to +60
Storage temperature Tstg -65 to +150
NOTE:
1. The maximum applicable voltage on any pin with respec t to GND.
-0.3 to +7.0 V 1
-0.3 to VCC + 0.3 V 1
°C
°C
RECOMMENDED OPERATING CONDITIONS (TA = -30 to +60°C)
PARAMETER SYMBOL MIN. TYP. MAX. UNIT
Suppl y v olt age
Input vol tage
(V
= 3.0 to 3.6 V)
CC
V
CC
V
IH
V
IL
3.0 3.6 V
VCC - 0.5 VCC + 0.3 V
-0.3 0.2 V
DC CHARACTERISTICS (TA = -30 to +60°C, VCC = 3.0 to 3.6 V)
ADD TABLE
NOTE:
1.
should be ≥ VCC - 0.2 V or ≤ 0.2 V.
CE
2
3
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