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Número de pieza | LH532048 | |
Descripción | CMOS 2M (128K x 16) MROM | |
Fabricantes | Sharp Electrionic Components | |
Logotipo | ||
Hay una vista previa y un enlace de descarga de LH532048 (archivo pdf) en la parte inferior de esta página. Total 7 Páginas | ||
No Preview Available ! LH532048
CMOS 2M (128K × 16) MROM
FEATURES
• 131,072 words × 16 bit organization
• Access time: 100 ns (MAX.)
• Static operation
• TTL compatible I/O
• Three-state outputs
• Single +5 V power supply
• Power consumption:
Operating: 412.5 mW (MAX.)
Standby: 550 µW (MAX.)
• Packages:
40-pin, 600-mil DIP
40-pin, 525-mil SOP
44-pin, 650-mil QFJ (PLCC)
DESCRIPTION
The LH532048 is a 2M-bit mask-programmable ROM
organized as 131,072 × 16 bits. It is fabricated using
silicon-gate CMOS process technology.
PIN CONNECTIONS
40-PIN DIP
40-PIN SOP
TOP VIEW
NC
CE
D15
D14
D13
D12
D11
D10
D9
D8
GND
D7
D6
D5
D4
D3
D2
D1
D0
OE
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
40 VCC
39 NC
38 A16
37 A15
36 A14
35 A13
34 A12
33 A11
32 A10
31 A9
30 GND
29 A8
28 A7
27 A6
26 A5
25 A4
24 A3
23 A2
22 A1
21 A0
532048-1
Figure 1. Pin Connections for DIP and
SOP Packages
44-PIN PLCC
TOP VIEW
D12
D11
D10
D9
D8
GND
NC
D7
D6
D5
D4
654
7
8
9
3 2 1 44 43 42 41 40
39
38
37
10 36
11 35
12 34
13 33
14 32
15 31
16 30
17 29
18 19 20 21 22 23 24 25 26 27 28
A13
A12
A11
A10
A9
GND
NC
A8
A7
A6
A5
532048-2
Figure 2. Pin Connections for QFJ
(PLCC) Package
1
1 page CMOS 2M MROM
LH532048
AC CHARACTERISTICS (VCC = 5 V ±10%, TA = 0°C to +70°C)
PARAMETER
SYMBOL
MIN.
MAX.
UNIT
Read cycle time
tRC 100
Address access time
tAA
100
Chip enable access time
tACE
100
Output enable delay time
tOE
55
Output hold time
tOH 0
CE to output in High-Z
OE to output in High-Z
tCHZ
tOHZ
50
ns
ns
ns
ns
ns
ns
ns
NOTE:
1. This is the time required for the outputs to become high-impedance.
AC TEST CONDITIONS
PARAMETER
Input voltage amplitude
Input rise/fall time
Input/output reference level
Output load condition
RATING
0.4 V to 2.6 V
10 ns
1.5 V
1 TTL + 100 pF
NOTE
1
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 - A16
CE
OE
tAA
(NOTE)
tACE
(NOTE)
tOE
(NOTE)
tCHZ
tOHZ
tOH
D0 - D15
DATA VALID
NOTE: The output data becomes valid when the last
intervals, tAA, tACE, or tOE, have concluded.
Figure 5. Timing Diagram
532048-5
5
5 Page |
Páginas | Total 7 Páginas | |
PDF Descargar | [ Datasheet LH532048.PDF ] |
Número de pieza | Descripción | Fabricantes |
LH532048 | CMOS 2M (128K x 16) MROM | Sharp Electrionic Components |
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