5962-8606301XA データシートの表示（PDF） - Austin Semiconductor
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5962-8606301XA Datasheet PDF : 13 Pages
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Austin Semiconductor, Inc.
UVEPROM
AS27C256
ABSOLUTE MAXIMUM RATINGS*
Supply Voltage Range, VCC**...........................-0.6V to +7.0V
Supply Voltage Range, Vpp**...............................-0.6V to +13.5V
Input Voltage Range, All inputs except A9**..-0.6V to +6.0V
A9.....-0.6V to +13.5V
Output Voltage Range**...............................-0.6V to VCC +.6V
Minimum Operating Free-air Temperature, TA..............-55°C
Maximum Operating Case Temperature, TC...................125°C
Storage Temperature Range, Tstg.....................-65°C to 150°C
*Stresses 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 above those indicated in the
operation section of this specification is not implied. Expo-
sure to absolute maximum rating conditions for extended peri-
ods may affect reliability.
** All voltage values are with respect to GND.
RECOMMENDED OPERATING CONDITIONS
MIN
VCC Supply Voltage
Read Mode1
FLASHRITE Pulse programming algorithm
4.5
6
VPP Supply Voltage
Read Mode2
FLASHRITE Pulse programming algorithm 12.5
VIH High-level input voltage
VIL Low-level input voltage
TTL inputs
2.2
CMOS inputs
TTL inputs
CMOS inputs
VCC-0.2
-0.5
-0.5
VID Voltage level on A9 for signature mode
11.5
TA Operating free-air temperature
-55
TC Operating case temperature
TYP
5
6.25
12.75
12
MAX
5.5
6.5
VCC-0.6
13
VCC+.6
VCC+.6
0.8
0.2
12.5
+125
NOTES:
1. VCC must be applied before or at the same time as VPP and removed after or at the same time as VPP. The deivce must not be inserted into or
removed from the board when VPP or VCC is applied.
2. VPP can be connected to VCC directly (except in the program mode). VCC supply current in this case would be ICC2 + IPP1.
ELECTRICAL CHARACTERISTICS OVER RECOMMENDED RANGES OF SUPPLY VOLTAGE
AND OPERATING FREE-AIR TEMPERATURE
PARAMETER
TEST CONDITIONS
VOH High-level output voltage
IOH = -400µA
VOL Low-level output voltage
IOL = 2.1mA
II Input current (leakage)
VI = 0V to 5.5V
IO Output current (leakage)
VO = 0V to VCC
IPP1 VPP supply current
IPP2 VPP supply current (during program pulse)2
VPP = VCC = 5.5V
VPP = 13V
TTL-Input Level
ICC1 VCC supply current (standby)
VCC = 5.5V, E\=VIH
CMOS-Input Level VCC = 5.5V, E\=VCC
ICC2 VCC supply current (active)
'27C256-12
'27C256-15
'27C256-17
'27C256-20,-25
E\=VIL, VCC=5.5V
tcycle = minimum, outputs
open
MIN
TYP1
MAX
UNIT
2.4
V
0.4
V
±1
µA
±5
µA
100
µA
30
50
mA
1
mA
300
µA
15
25
mA
NOTES:
1. Typical values are at TA=25°C and nominal voltages.
2. This parameter has been characterized at 25°C and is not tested.
AS27C256
Rev. 2.0 7/06
6
Austin Semiconductor, Inc. reserves the right to change products or specifications without notice.
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