SHARP LH534A00

LH534A00
FEATURES
CMOS 4M (512K × 8) MROM
PIN CONNECTIONS
• 524,288 words × 8 bit organization
• Access time: 120 ns (MAX.)
• Static operation
• TTL compatible I/O
• Three-state outputs
• Single +5 V power supply
• Power consumption:
Operating: 357.5 mW (MAX.)
Standby: 550 µW (MAX.)
TOP VIEW
32-PIN TSOP (Type I)
A11
1
32
OE
A9
2
31
A10
A8
3
30
CE
A13
4
29
D7
A14
5
28
D6
A17
6
27
D5
NC
7
26
D4
D3
VCC
8
25
A18
9
24
GND
A16
10
23
D2
A15
11
22
D1
A12
12
21
D0
A7
13
20
A0
A6
14
19
A1
DESCRIPTION
A5
15
18
A2
The LH534A00 is a 4M-bit mask-programmable ROM
organized as 524,288 × 8 bits. It is fabricated using
silicon-gate CMOS process technology.
A4
16
17
A3
• Package:
32-pin, 8 × 20 mm2 TSOP (Type I)
534A00-1
Figure 1. Pin Connections for TSOP Package
1
LH534A00
CMOS 4M MROM
A18 9
A17 6
10
11
5
4
ADDRESS BUFFER
A12 12
A11 1
A10 31
A9
A8
A7
A6
2
3
13
14
MEMORY
MATRIX
(524,288 x 8)
ADDRESS DECODER
A16
A15
A14
A13
A5 15
A4 16
A3 17
A2 18
A1 19
COLUMN SELECTOR
A0 20
SENSE AMPLIFIER
CE
BUFFER
CE 30
TIMING
GENERATOR
OUTPUT BUFFER
OE
BUFFER
OE 32
8
24
VCC GND
21
D0
22
D1
23
D2
25
D3
26
D4
27
D5
28
D6
29
D7
534A00-2
Figure 2. LH534A00 Block Diagram
PIN DESCRIPTION
SIGNAL
SIGNAL
PIN NAME
A0 – A18
Address input
OE
Output enable input
D0 – D7
Data output
VCC
Power supply (+5 V)
Chip enable input
GND
Ground
CE
2
PIN NAME
CMOS 4M MROM
LH534A00
TRUTH TABLE
CE
OE
DATA OUTPUT
SUPPLY CURRENT
H
X
High-Z
Standby
H
High-Z
Operating
L
Output
Operating
L
NOTE:
X = H or L, High-Z = High-impedance
ABSOLUTE MAXIMUM RATINGS
PARAMETER
SYMBOL
RATING
UNIT
Supply voltage
VCC
– 0.3 to +7.0
V
Input voltage
VIN
– 0.3 to V CC + 0.3
V
Output voltage
VOUT
– 0.3 to V CC + 0.3
V
Operating temperature
Topr
–20 to +70
°C
Storage temperature
Tstg
–65 to +150
°C
RECOMMENDED OPERATING CONDITIONS (TA = –20°C to +70°C)
PARAMETER
SYMBOL
MIN.
TYP.
MAX.
UNIT
Supply voltage
VCC
4.5
5.0
5.5
V
DC CHARACTERISTICS (VCC = 5 V ±10%, TA = –20°C to +70°C)
PARAMETER
SYMBOL
CONDITIONS
MIN.
MAX.
UNIT
NOTE
Input ‘High’ voltage
VIH
2.2
VCC + 0.3
V
Input ‘Low’ voltage
VIL
– 0.3
0.8
V
Output ‘High’ voltage
VOH
I OH = –400 µA
Output ‘Low’ voltage
VOL
I OL = 2.0 mA
0.4
V
Input leakage current
| ILl |
V IN = 0 V to VCC
10
µA
Output leakage current
| ILO |
V OUT = 0 V to VCC
10
µA
1
ICC1
t RC = 120 ns
65
mA
2
ICC2
t RC = 1 µs
50
mA
2
ICC3
t RC = 120 ns
60
mA
3
ICC4
t RC = 1 µs
45
mA
3
ISB1
CE = V IH
3
mA
ISB2
CE = V CC – 0.2 V
100
µA
CIN
f = 1 MHz
T A = 25°C
10
pF
10
pF
Operating current
Standby current
Input capacitance
Output capacitance
COUT
2.4
V
NOTES:
1. CE/OE = VIH
2. VIN = VIH or VIL, CE = VIL, outputs open
3. VIN = (VCC – 0.2 V) or 0.2 V, CE = 0.2 V, outputs open
3
LH534A00
CMOS 4M MROM
AC CHARACTERISTICS (VCC = 5 V ±10%, TA = –20°C to +70°C)
PARAMETER
SYMBOL
MIN.
MAX.
UNIT
Read cycle time
tRC
120
Address access time
tAA
120
ns
Chip enable access time
tACE
120
ns
Output enable delay time
tOE
60
ns
Output hold time
tOH
CE to output in High-Z
tCHZ
OE to output in High-Z
tOHZ
NOTE
ns
0
ns
60
ns
1
NOTE:
1. This is the time required for the outputs to become high-impedance.
AC TEST CONDITIONS
PARAMETER
RATING
Input voltage amplitude
0.4 to 2.6 V
Input rise/fall time
10 ns
Input/output reference level
1.5 V
Output load condition
1 TTL + 100 pF
CAUTION
To stabilize the power supply, it is recommended that a high-frequency bypass capacitor be connected between
the VCC pin and the GND pin.
tRC
A0 - A18
tAA
(NOTE)
CE
tACE
tCHZ
(NOTE)
OE
tOHZ
tOE
(NOTE)
D0 - D7
tOH
DATA VALID
NOTE: The output data becomes valid when the last
intervals, tAA, tACE, or tOE, have concluded.
Figure 3. Timing Diagram
4
534A00-3
CMOS 4M MROM
LH534A00
PAGKAGE DIAGRAM
32TSOP (Type I) (TSOP032-P-0820)
0.30 [0.012]
0.10 [0.004]
0.50 [0.020]
TYP.
32
17
18.60 [0.732]
18.20 [0.717]
1
20.30 [0.799]
19.70 [0.776]
19.00 [0.748]
16
8.20 [0.323]
7.80 [0.307]
0.20 [0.008]
0.10 [0.004]
0.15 [0.006]
1.10 [0.043]
0.90 [0.035]
1.20 [0.047] MAX.
0.425 [0.017] 0.20 [0.008]
0.00 [0.000]
DIMENSIONS IN MM [INCHES]
MAXIMUM LIMIT
MINIMUM LIMIT
32TSOP
32-pin, 8 × 20 mm2 TSOP (Type I)
ORDERING INFORMATION
LH534A00
Device Type
T
Package
32-pin, 8 x 20 mm2 TSOP (Type I) (TSOP032-P-0820)
CMOS 4M (512K x 8) Mask-Programmable ROM
Example: LH534A00T (CMOS 4M (512K x 8) Mask-Programmable ROM, 32-pin, 8 x 20 mm2 TSOP (Type I))
534A00-4
5