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EDI8L32512C |
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512K x 32 CMOS High Speed Static RAM |
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FEATURES |
DESCRIPTION |
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ν DSPNOTMemory Solution |
The EDI8L32512C is a high speed, 5V, 16 megabit |
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• Motorola DSP96002 |
SRAM. The device is available with access times of |
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• Analog SHARC DSP |
12, 15, 17 and 20ns allowing the creation of a no wait |
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state DSP memory solution. The high speed, 5V |
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• Texas Instruments TMS320C3x, TMS320C4x |
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supply voltage and control lines make the device ideal |
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ν Random Access Memory Array |
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for creating floating point DSP memory solutions. |
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• Fast Access Times: 12*, 15, 17, and 20ns |
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The device can be configured as a 512K x 32 and used |
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• TTL Compatible Inputs and Outputs |
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to create a single chip external data memory solution for |
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• Fully Static, No Clocks |
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TI's TMS320C30/C31 (Figure 8), TMS320C32 (Figure 9) |
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ν Surface Mount Package |
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or TMS320C4x (Figure 10), Motorola's DSP96002 and |
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RECOMMENDEDcompared to four 512K x 8, 36 pin SOJs. In addition |
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• 68 Lead PLCC, No. 99 JEDEC M0-47AE |
Analog's SHARC DSP (Figure 11). Alternatively, the |
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• Small Footprint, 0.990 Sq. In. |
device's chip enables can be used to configure it as a 1M |
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• Multiple Ground Pins for Maximum |
x 16. A 1M x 48 program memory array for Analog's |
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Noise Immunity |
SHARC DSP is created using three devices (Figure 12). |
ν Single +5V (±5%) Supply Operation |
If this memory is too deep, two 512K x 24s (EDI8L24512C) |
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can be used to create a 512K x 48 array or two 128K x 24s |
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* Advance Information. |
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(EDI8L24128C) can be used to create a 128K x 48 array. |
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The device provides a 56% space savings when |
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the EDI8L32512C has only a 10pF load on the data |
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lines vs. 32pF for four plastic SOJs. |
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The device provides a memory upgrade of the |
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EDI8L32256C (256K x 32) or the EDI8L32128C (128K x |
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32). For additional upgrade information see Figure 13. |
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Note: Solder Reflow Temperature should not exceed 230°C for 10 seconds. |
FIG. 1 PIN CONFIGURATIONSAND BLOCK DIAGRAM
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DQ16 |
A18 |
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A17 |
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E0 NC |
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VCC |
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NC NC |
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A16 |
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A15 |
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A14 |
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DQ15 |
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E3 |
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E2 |
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E1 |
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G |
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W |
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9 8 |
7 |
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6 5 |
4 |
3 2 |
1 |
68 67 |
66 |
65 64 |
63 |
62 61 |
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DQ17 |
10 |
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60 |
DQ14 |
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59 |
DQ13 |
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DQ18 |
11 |
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58 |
DQ12 |
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DQ19 |
12 |
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57 |
VSS |
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VSS |
13 |
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56 |
DQ11 |
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DQ20 |
14 |
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55 |
DQ10 |
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DQ21 |
15 |
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54 |
DQ9 |
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DQ22 |
16 |
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53 |
DQ8 |
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DQ23 |
17 |
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52 |
VCC |
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VCC |
18 |
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51 |
DQ7 |
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DQ24 |
19 |
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50 |
DQ6 |
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DQ25 |
20 |
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49 |
DQ5 |
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||||
DQ26 |
21 |
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48 |
DQ4 |
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||||
DQ27 |
22 |
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47 |
VSS |
||
VSS |
23 |
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46 |
DQ3 |
||
DQ28 |
24 |
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45 |
DQ2 |
||
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||||
DQ29 |
25 |
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44 |
DQ1 |
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DQ30 |
26 |
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27 |
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28 |
29 |
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30 |
31 |
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34 |
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38 |
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DQ31 |
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A6 |
A5 |
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A4 A3 |
A2 |
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A1 |
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A0 |
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VCC |
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A13 |
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A12 |
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A11 |
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A10 |
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A9 |
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A8 |
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A7 |
DQ0 |
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Note: For memory upgrade information, refer to Page 8, Figure 13 "EDI MCM-L Upgrade Path."
|
FOR |
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BYTE CONTROL |
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PIN NAMES |
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TABLE |
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A0-18 |
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Address Inputs |
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E0-3 |
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Chip Enables (One per Byte) |
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Chip |
Byte |
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Enable |
Control |
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W |
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Master Write Enable |
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DQ0-7 |
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E0 |
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G |
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Master Output Enable |
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NEW |
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DQ8-15 |
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E1 |
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DQ0-31 |
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Common Data Input/Output |
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DQ16-23 |
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E2 |
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VCC |
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Power (+5V ±5%) |
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DQ24-31 |
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E3 |
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VSS |
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Ground |
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NC |
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No Connection |
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A0-18 |
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DESIGN |
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19 |
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G |
512K x 32 |
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W |
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DQ0-7 |
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Memory |
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E0 |
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DQ8-15 |
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Array |
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E1 |
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DQ16-23 |
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E2 |
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DQ24-31 |
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E3 |
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|
August 2000 Rev. 7 |
1 |
White Electronic Designs Corporation • (508) 366-5151 • www.whiteedc.com |
ECO #13097 |
|
|
ABSOLUTE MAXIMUM RATINGS*
Voltage on any pin relative to VSS |
-0.5V to 7.0V |
Operating Temperature TA (Ambient) |
|
Commercial |
0°C to + 70°C |
Industrial |
-40°C to +85°C |
Storage Temperature |
-55°C to +125°C |
Power Dissipation |
5.0 Watts |
Output Current. |
20 mA |
Junction Temperature, TJ |
175°C |
|
|
*Stress greater than those listed under "Absolute Maximum Ratings" may cause permanent damage to the device. This is a stress rating only and functional operation of the device at these or any other conditions greater than those indicated in the operational sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect reliability.
EDI8L32512C
RECOMMENDED DC OPERATING CONDITIONS
Parameter |
Sym |
Min |
Typ |
Max |
Units |
Supply Voltage |
VCC |
4.75 |
5.0 |
5.25 |
V |
Supply Voltage |
VSS |
0 |
0 |
0 |
V |
Input High Voltage |
VIH |
2.2 |
-- |
VCC+0.5 |
V |
Input Low Voltage |
VIL |
-0.3 |
-- |
0.8 |
V |
|
|
|
|
|
|
AC TEST CONDITIONS
Input Pulse Levels |
VSS to 3.0V |
Input Rise and Fall Times |
5ns |
Input and Output Timing Levels |
1.5V |
Output Load |
Figure 2 |
|
|
(Note: For TEHQZ,TGHQZ and TWLQZ, CL = 5pF)
FIG. 2 |
|
FIG. 3 |
|
|
Vcc |
|
Vcc |
|
480Ω |
|
480Ω |
Q |
|
Q |
|
255Ω |
30pF |
255Ω |
5pF |
DC ELECTRICAL CHARACTERISTICS
Parameter |
Sym |
|
|
|
|
Conditions |
Min |
Max |
|
Units |
|
|
|
|
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|
|
12/15 |
17/20 |
m A |
Operating Power Supply Current |
ICC1 |
|
W |
= VIL, II/O = 0mA, |
|
800 |
720 |
mA |
|||
|
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|
Min Cycle |
|
|
|
|
Standby (TTL) Supply Current |
ICC2 |
|
|
³ VIH, VIN £ VIL or |
|
200 |
200 |
mA |
|||
|
E |
|
|||||||||
|
|
|
VIN ³ VIH, f = ØMHz |
|
|
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|
||||
Full Standby CMOS |
ICC3 |
|
|
|
|
³ VCC - 0.2V |
|
40 |
40 |
mA |
|
|
|
E |
|
||||||||
Supply Current |
|
VIN ³ VCC - 0.2V or |
|
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|
|||||
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|
|
VIN £ 0.2V |
|
|
|
|
Input Leakage Current |
ILI |
|
VIN = 0V to VCC |
|
±10 |
|
µA |
||||
Output Leakage Current |
ILO |
|
V I/O = 0V to VCC |
|
±10 |
|
µA |
||||
Output High Volltage |
VOH |
|
|
|
|
IOH = -4.0mA |
2.4 |
|
|
V |
|
Output Low Voltage |
VOL |
|
|
|
|
|
IOL =8.0mA |
|
0.4 |
|
V |
|
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|
|
TRUTH TABLE
|
|
|
|
|
|
|
Mode |
Output |
Power |
|
G |
E |
W |
||||||
|
X |
H |
X |
Standby |
High Z |
ICC2 |
|||
|
|
|
|
|
|
|
|
|
ICC3 |
|
H |
L |
H |
Output Deselect |
High Z |
ICC1 |
|||
|
L |
L |
H |
Read |
DOUT |
ICC1 |
|||
|
X |
L |
L |
Write |
DIN |
ICC1 |
|||
|
|
|
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|
|
|
|
CAPACITANCE
(f=1.0MHz, VIN=VCC OR VSS)
Parameter |
Sym |
Max |
Unit |
||||||
Address Lines |
|
|
CI |
30 |
pF |
||||
Data Lines |
CD/Q |
10 |
pF |
||||||
Write & Output Enable Lines |
|
W, |
|
G |
|
30 |
pF |
||
Chip Enable Lines |
|
|
E0-3 |
|
8 |
pF |
|||
|
|
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|
|
White Electronic Designs Corporation • (508) 366-5151 • www.whiteedc.com |
2 |
EDI8L32512C
AC CHARACTERISTICS READ CYCLE
|
Symbol |
12ns* |
15ns |
17ns |
20ns |
|
|
Parameter |
JEDEC |
Alt. |
Min Max |
Min Max |
Min Max |
Min Max |
Units |
Read Cycle Time |
TAVAV |
TRC |
12 |
15 |
17 |
20 |
ns |
Address Access Time |
TAVQV |
TAA |
12 |
15 |
17 |
20 |
ns |
Chip Enable Access Time |
TELQV |
TACS |
12 |
15 |
17 |
20 |
ns |
Chip Enable to Output in Low Z (1) |
TELQX |
TCLZ |
3 |
3 |
3 |
3 |
ns |
Chip Disable to Output in High Z (1) |
TEHQZ |
TCHZ |
6 |
7 |
9 |
9 |
ns |
Output Hold from Address Change |
TAVQX |
TOH |
3 |
3 |
3 |
3 |
ns |
Output Enable to Output Valid |
TGLQV |
TOE |
6 |
7 |
9 |
9 |
ns |
Output Enable to Output in Low Z (1) |
TGLQX |
TOLZ |
0 |
0 |
0 |
0 |
ns |
Output Disable to Output in High Z(1) |
TGHQZ |
TOHZ |
6 |
7 |
9 |
9 |
ns |
|
|
|
|
|
|
|
|
*Advanced Information
Note 1: Parameter guaranteed, but not tested.
FIG. 4 READ CYCLE 1 - W HIGH, G, E LOW |
|
|
|
|
TAVAV |
|
|
A |
ADDRESS 1 |
ADDRESS 2 |
|
|
TAVQV |
TAVQX |
|
Q |
|
DATA 1 |
DATA 2 |
FIG. 5 READ CYCLE 2 - W HIGH |
|
|
|
TAVAV |
|
A |
|
|
E |
TAVQV |
|
|
TELQV |
TEHQZ |
|
TELQX |
|
G |
|
|
|
TGLQV |
TGHQZ |
|
TGLQX |
|
Q |
|
|
|
3 |
White Electronic Designs Corporation • (508) 366-5151 • www.whiteedc.com |