PEDR27V1602E-01-01
1Semiconductor
This version : Dec. 1999 Previous version: ----------
MR27V1602E |
Preliminary |
1,048,576–Word × 16–Bit or 2,097,152–Word × 8–Bit One Time PROM |
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GENERAL DESCRIPTION
The MR27V1602E is a 16 Mbit electrically Programmable Read-Only Memory that can be electrically switched between 1,048,576-word × 16-bit and 2,097,152-word × 8-bit configurations. This device operates on a single +3.3V power supply, and all inputs and outputs are TTL compatible. Because of its asynchronous operation, it requires no external clocks, making this device easy-to-use.
The MR27V1602E is suitable as large-capacity fixed memory for microcomputers and data terminals. It is manufactured using a CMOS double silicon gate technology and is offered in 44-pin SOP, 44-pin TSOP(II) or 48-pin TSOP(I) packages.
FEATURES
∙ 1,048,576-word × |
16-bit/2,097,152-word × 8-bit electrically switchable configuration |
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∙ +3.3 V power supply |
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∙ Access time |
90 nS MAX |
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∙ Operating current |
30 mA MAX |
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∙ Standby current |
50 µA MAX |
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∙ Input/Output TTL compatible |
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∙ Three-state output |
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∙ Packages: |
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44-pin plastic SOP (SOP44-P-600-1.27-K) |
(Product Name : MR27V1602EMA) |
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44-pin plastic TSOP (TSOP II 44-P-400-0.80-K) |
(Product Name : MR27V1602ETP) |
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48-pin plastic TSOP (TSOP I 48-P-1220-0.50-K) |
(Product Name : MR27V1602ETN) |
1/11
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PEDR27V1602E-01-01 |
1Semiconductor |
MR27V1602E |
PIN CONFIGURATION (TOP VIEW)
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A15 |
1 |
48 |
A16 |
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A14 |
2 |
47 |
BYTE/VPP |
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NC |
A13 |
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VSS |
NC |
1 |
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44 |
3 |
46 |
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A18 |
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2 |
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43 |
A19 |
A12 |
4 |
45 |
D15/A–1 |
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A8 |
A11 |
5 |
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D7 |
A17 |
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3 |
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42 |
44 |
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A9 |
A10 |
6 |
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D14 |
A7 |
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4 |
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41 |
43 |
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A10 |
A9 |
7 |
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D6 |
A6 |
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5 |
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40 |
42 |
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A11 |
A8 |
8 |
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D13 |
A5 |
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6 |
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39 |
41 |
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A12 |
A19 |
9 |
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D5 |
A4 |
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7 |
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38 |
40 |
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A13 |
NC 10 |
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D12 |
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A3 |
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8 |
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37 |
39 |
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A14 |
NC 11 |
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D4 |
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A2 |
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9 |
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36 |
38 |
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A15 |
NC 12 |
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VCC |
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A1 |
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10 |
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35 |
37 |
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A16 |
NC 13 |
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D11 |
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A0 |
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11 |
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34 |
36 |
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CE |
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BYTE/VPP |
NC 14 |
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D3 |
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12 |
33 |
35 |
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VSS |
NC 15 |
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D10 |
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VSS |
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13 |
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32 |
34 |
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D2 |
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OE |
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14 |
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31 |
D15/A–1 |
A18 |
16 |
33 |
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D7 |
A17 |
17 |
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D9 |
D0 |
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15 |
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30 |
32 |
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D14 |
A7 |
18 |
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D1 |
D8 |
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16 |
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29 |
31 |
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D6 |
A6 |
19 |
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D8 |
D1 |
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17 |
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28 |
30 |
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D13 |
A5 |
20 |
29 |
D0 |
D9 |
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18 |
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27 |
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A4 |
21 |
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OE |
D2 |
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19 |
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26 |
D5 |
28 |
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A3 |
22 |
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VSS |
D10 |
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20 |
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25 |
D12 |
27 |
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23 |
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CE |
D3 |
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21 |
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24 |
D4 |
A2 |
26 |
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24 |
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A0 |
D11 |
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22 |
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23 |
VCC |
A1 |
25 |
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48-pin TSOP(I) |
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44-pin SOP, TSOP(II) |
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Pin name |
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Functions |
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D15/A–1 |
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Data output/Address input |
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A0 to A19 |
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Address input |
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D0 to D14 |
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Data output |
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CE |
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Chip enable |
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OE |
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Output enable |
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BYTE/VPP |
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Mode switch/Program power supply voltage |
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VCC |
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Power supply voltage |
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VSS |
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GND |
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NC |
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Non connection |
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2/11
1Semiconductor
BLOCK DIAGRAM
A0 |
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A1 |
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A2 |
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A3 |
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A4 |
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A5 |
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A6 |
Buffer |
A7 |
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A8 |
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A9 |
Address |
A13 |
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A10 |
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A11 |
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A12 |
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A14 |
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A15 |
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A16 |
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A17 |
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A18 |
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A19 |
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A–1
CE
CE
Column Decoder Row Decoder
PEDR27V1602E-01-01
MR27V1602E
× 8/× 16 Switch
OE BYTE/VPP
OE PGM
Memory Cell Matrix
1,048,576 × 16-Bit or 2,097,152 × 8-Bit
Multiplexer
Output Buffer
D0 |
D2 |
D4 |
D6 |
D8 |
D10 |
D12 |
D14 |
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D1 |
D3 |
D5 |
D7 |
D9 |
D11 |
D13 |
D15 |
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In 8-bit output mode, these pins are three-stated and pin D15 functions as the A-1 address pin.
FUNCTION TABLE
Mode |
CE |
OE |
BYTE/VPP |
VCC |
D0 to D7 |
D8 to D14 |
D15/A–1 |
Read (16-Bit) |
L |
L |
H |
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DOUT |
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Read (8-Bit) |
L |
L |
L |
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DOUT |
Hi–Z |
L/H |
Output disable |
L |
H |
H |
3.3 V |
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Hi–Z |
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L |
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Standby |
H |
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H |
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Hi–Z |
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L |
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Program |
L |
H |
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DIN |
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Program inhibit |
H |
H |
9.75 V |
4.0 V |
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Hi–Z |
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Program verify |
H |
L |
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DOUT |
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: Don’t Care (H or L)
3/11
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PEDR27V1602E-01-01 |
1Semiconductor |
MR27V1602E |
ABSOLUTE MAXIMUM RATINGS
Parameter |
Symbol |
Condition |
Value |
Unit |
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Operating temperature under bias |
Ta |
— |
0 to 70 |
°C |
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Storage temperature |
Tstg |
–55 to 125 |
°C |
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Input voltage |
VI |
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–0.5 to VCC+0.5 |
V |
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Output voltage |
VO |
relative to VSS |
–0.5 to VCC+0.5 |
V |
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Power supply voltage |
VCC |
–0.5 to 5 |
V |
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Program power supply voltage |
VPP |
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–0.5 to 11.5 |
V |
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Power dissipation per package |
PD |
— |
1.0 |
W |
RECOMMENDED OPERATING CONDITIONS
(Ta = 0 to 70°C)
Parameter |
Symbol |
Condition |
Min. |
Typ. |
Max. |
Unit |
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VCC power supply voltage |
VCC |
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3.0 |
— |
3.6 |
V |
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VPP power supply voltage |
VPP |
VCC = 3.0 to 3.6 V |
–0.5 |
— |
VCC+0.5 |
V |
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Input “H” level |
VIH |
2.2 |
— |
VCC+0.5 |
V |
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Input “L” level |
VIL |
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–0.5 |
— |
0.6 |
V |
Voltage is relative to VSS.
: Vcc+1.5V(Max.) when pulse width of overshoot is less than 10ns.: -1.5V(Min.) when pulse width of undershoot is less than 10ns.
4/11
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