WS128K48-XG4WX
128Kx48 SRAM MODULE ADVANCED*
FEATURES
■Access Times 17, 20, 25, 35ns
■Packaging:
• 116 Lead, 40.0mm Hermetic CQFP (Package 504)
■Commercial, Industrial and Military Temperature Ranges
■5 Volt Power Supply
■Low Power CMOS
■Organized as 128K x 48, Data Width is user configurable.
■2V Data Retention Devices Available (Low Power Version)
■TTL Compatible Inputs and Outputs
■Weight
WS128K48-XG4WX - 20 grams typical
*This data sheet describes a product that may or may not be under development and is subject to change or cancellation without notice.
PIN CONFIGURATION FOR WS128K48-XG4WX
BLOCK DIAGRAM
I/O3
I/O4
I/O5
I/O6
I/O7
GND
I/O8
I/O9
I/O10
I/O11
I/O12
I/O13
I/O14
I/O15
GND
I/O16
I/O17
I/O18
I/O19
I/O20
I/O21
I/O22
I/O23
GND
I/O24
I/O25
I/O26
I/O27
I/O28
TOP VIEW
I/O2 |
I/O1 |
I/O0 |
VCC |
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|
WE2 |
|
|
CS2 |
|
NC A0 |
A1 |
A2 |
A3 |
A4 |
|
WE1 |
|
CS1 |
NC NC NC A5 |
A6 |
A7 |
A8 |
A9 |
NC NC NC VCC |
NC NC NC |
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15 |
14 |
13 |
12 |
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11 |
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10 |
9 |
8 |
7 |
6 |
5 |
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4 |
3 |
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2 |
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1 |
116 |
115 |
114 |
113 |
112 |
111 |
110 |
109 |
108 |
107 |
106 |
105 |
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104 |
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103 |
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16 |
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102 |
||
17 |
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101 |
||
18 |
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100 |
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19 |
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99 |
||
20 |
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98 |
||
21 |
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97 |
||
22 |
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96 |
||
23 |
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95 |
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24 |
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94 |
||
25 |
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93 |
||
26 |
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92 |
||
27 |
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91 |
||
28 |
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90 |
||
29 |
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89 |
||
30 |
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88 |
||
31 |
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87 |
||
32 |
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86 |
||
33 |
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85 |
||
34 |
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84 |
||
35 |
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83 |
||
36 |
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82 |
||
37 |
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81 |
||
38 |
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80 |
||
39 |
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79 |
||
40 |
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78 |
||
41 |
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77 |
||
42 |
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76 |
||
43 |
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75 |
||
44 |
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74 |
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45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 |
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I/O29 |
I/O30 |
I/O31 |
|
VCC |
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WE3 |
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CS3 |
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NC NC NC NC A16 |
A15 |
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WE4 |
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CS4 |
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OE |
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CS5 |
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WE5 |
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A14 |
A13 |
A12 |
A11 |
A10 |
NC |
|
CS6 |
|
WE6 |
VCC I/O32 |
I/O33 |
I/O34 |
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WE1 CS1 |
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WE2 CS2 |
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WEx CSx |
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WE6 CS6 |
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OE |
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A 0 - 1 6 |
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1 |
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2 |
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. . . . . |
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6 |
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128K x 8 |
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128K x 8 |
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128K x 8 |
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8 |
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8 |
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8 |
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8 |
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NC |
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NC |
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I/O 0 - 7 |
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I/O 8 - 15 |
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I/O ... |
I/O 40 - 47 |
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NC |
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NC |
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NC |
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GND |
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NC |
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NC |
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NC |
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NC |
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PIN DESCRIPTION |
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NC |
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NC |
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NC |
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I/O0-47 |
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Data Inputs/Outputs |
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NC |
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GND |
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A0-16 |
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Address Inputs |
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I/O47 |
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I/O46 |
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Write Enables |
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I/O45 |
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WE |
1-6 |
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I/O44 |
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I/O43 |
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CS |
1-6 |
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Chip Selects |
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I/O42 |
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I/O41 |
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OE |
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Output Enable |
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I/O40 |
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GND |
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VCC |
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Power Supply |
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I/O39 |
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I/O38 |
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GND |
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Ground |
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I/O37 |
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I/O36 |
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NC |
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Not Connected |
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I/O35 |
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May 1997 |
1 |
White Microelectronics • Phoenix, AZ • (602) 437-1520 |
WS128K48-XG4WX
ABSOLUTE MAXIMUM RATINGS
Parameter |
Symbol |
Min |
Max |
Unit |
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Operating Temperature |
TA |
-55 |
+125 |
°C |
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Storage Temperature |
TSTG |
-65 |
+150 |
°C |
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Signal Voltage Relative to GND |
VG |
-0.5 |
Vcc+0.5 |
V |
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Junction Temperature |
TJ |
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150 |
°C |
Supply Voltage |
VCC |
-0.5 |
7.0 |
V |
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RECOMMENDED OPERATING CONDITIONS
Parameter |
Symbol |
Min |
Max |
Unit |
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Supply Voltage |
VCC |
4.5 |
5.5 |
V |
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Input High Voltage |
VIH |
2.2 |
VCC + 0.3 |
V |
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Input Low Voltage |
VIL |
-0.3 |
+0.8 |
V |
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Operating Temp. (Mil.) |
TA |
-55 |
+125 |
°C |
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TRUTH TABLE
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CS |
OE |
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WE |
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Mode |
Data I/O |
Power |
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H |
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X |
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X |
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Standby |
High Z |
Standby |
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L |
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L |
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H |
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Read |
Data Out |
Active |
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L |
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X |
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L |
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Write |
Data In |
Active |
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L |
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H |
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H |
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Out Disable |
High Z |
Active |
CAPACITANCE
(TA = +25°C)
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Parameter |
Symbol |
Conditions |
Max |
Unit |
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capacitance |
COE |
VIN = 0 V, f = 1.0 MHz |
100 |
pF |
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OE |
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capacitance |
CWE |
VIN = 0 V, f = 1.0 MHz |
20 |
pF |
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WE |
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CCS |
VIN = 0 V, f = 1.0 MHz |
20 |
pF |
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CS |
capacitance |
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Data I/O capacitance |
CI/O |
VI/O = 0 V, f = 1.0 MHz |
20 |
pF |
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Address input capacitance |
CAD |
VIN = 0 V, f = 1.0 MHz |
100 |
pF |
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This parameter is guaranteed by design but not tested.
DC CHARACTERISTICS
(VCC = 5.0V, TA = -55°C to +125°C)
Parameter |
Sym |
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Conditions |
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-17 |
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-20 |
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-25 |
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-35 |
Units |
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Min |
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Max |
Min |
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Max |
Min |
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Max |
Min |
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Max |
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Input Leakage Current |
ILI |
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VCC = 5.5, VIN = GND to VCC |
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10 |
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10 |
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10 |
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10 |
μA |
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Output Leakage Current |
ILO |
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= VIH, |
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= VIH, VOUT = GND to VCC |
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10 |
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10 |
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10 |
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10 |
μA |
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CS |
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OE |
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Operating Supply Current |
ICC |
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= VIL, |
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= VIH, f = 5MHz, Vcc = 5.5 |
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720 |
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720 |
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720 |
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720 |
mA |
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CS |
OE |
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Standby Current |
ISB |
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= VIH, |
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= VIH, f = 5MHz, Vcc = 5.5 |
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120 |
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120 |
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90 |
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90 |
mA |
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CS |
OE |
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Output Low Voltage |
VOL |
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IOL = 8mA, VCC = 4.5 |
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0.4 |
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0.4 |
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0.4 |
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0.4 |
V |
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Output High Voltage |
VOH |
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IOH = -4.0mA, VCC = 4.5 |
2.4 |
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2.4 |
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2.4 |
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2.4 |
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V |
NOTE: DC test conditions: VIH = VCC -0.3V, VIL = 0.3V
AC TEST CIRCUIT
|
I OL |
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Current Source |
D.U.T. |
VZ ≈1.5V |
Ceff = 50 pf |
(Bipolar Supply) |
|
IOH
Current Source
AC TEST CONDITIONS
Parameter |
Typ |
Unit |
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Input Pulse Levels |
VIL = 0, VIH = 3.0 |
V |
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Input Rise and Fall |
5 |
ns |
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Input and Output Reference Level |
1.5 |
V |
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Output Timing Reference Level |
1.5 |
V |
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NOTES:
VZ is programmable from -2V to +7V. IOL & IOH programmable from 0 to 16mA. Tester Impedance Z0 = 75 Ω.
VZ is typically the midpoint of VOH and VOL.
IOL & IOH are adjusted to simulate a typical resistive load circuit. ATE tester includes jig capacitance.
White Microelectronics • Phoenix, AZ • (602) 437-1520 |
2 |