SMJ27C256-30JM データシートの表示（PDF） - Austin Semiconductor
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SMJ27C256-30JM Datasheet PDF : 11 Pages
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Austin Semiconductor, Inc.
UVEPROM
SMJ27C256
ABSOLUTE MAXIMUM RATINGS*
Supply Voltage Range, VCC**...........................-0.6V to +7.0V
Supply Voltage Range, Vpp**.........................-0.6V to +14.0V
Input Voltage Range, All inputs except A9**..-0.6V to +6.5V
A9.....-0.6V to +13.5V
Output Voltage Range**...............................-0.6V to VCC +1V
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.
Exposure to absolute maximum rating conditions for extended
periods may affect reliability.
** All voltage values are with respect to GND.
RECOMMENDED OPERATING CONDITIONS
VCC
Supply Voltage
Read Mode1
SNAP! Pulse programming algorithm
VPP
Supply Voltage
Read Mode2
SNAP! Pulse programming algorithm
MIN
4.5
6.25
12.75
TYP
5
6.5
13
MAX
5.5
6.75
VCC-0.6
13.25
UNIT
V
V
V
V
VIH High-level input voltage
VIL Low-level input voltage
TTL inputs
2
CMOS inputs VCC-0.2
TTL inputs
-0.5
CMOS inputs -0.5
VCC+1
V
VCC+1
V
0.8
V
0.2
V
VID Voltage level on A9 for signature mode
11.5
13
V
TA Operating free-air temperature
-55
°C
TC Operating case temperature
+125
°C
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
MIN
TYP1
MAX
UNIT
VOH High-level output voltage
IOH = -400µA
2.4
V
VOL Low-level output voltage
IOL = 2.1mA
0.4
V
II Input current (leakage)
VI = 0V to 5.5V
±1
µA
IO Output current (leakage)
VO = 0V to VCC
±1
µA
IPP1 VPP supply current
IPP2 VPP supply current (during program pulse)2
VPP = VCC = 5.5V
VPP = 13V
10
µA
35
50
mA
ICC1
VCC supply current (standby)
TTL-Input Level VCC = 5.5V, E\=VIH
CMOS-Input Level VCC = 5.5V, E\=VCC
500
µA
300
µA
ICC2 VCC supply current (active)
'27C256-15
'27C256-17
'27C256-20
'27C256-25
E\=VIL, VCC=5.5V
tcycle = minimum, outputs
open
15
25
mA
IOS Output current (leakage)
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.
100
mA
SMJ27C256
Rev. 1.0 9/01
Austin Semiconductor, Inc. reserves the right to change products or specifications without notice.
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