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28LV64A Datasheet(PDF) 2 Page - Microchip Technology

Part No. 28LV64A
Description  64K (8K x 8) Low Voltage CMOS EEPROM
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Maker  MICROCHIP [Microchip Technology]
Homepage  http://www.microchip.com
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28LV64A Datasheet(HTML) 2 Page - Microchip Technology

   
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28LV64A
DS21113B-page 2
Preliminary
© 1996 Microchip Technology Inc.
1.0
ELECTRICAL
CHARACTERISTICS
MAXIMUM RATINGS*
VCC and input voltages w.r.t. VSS ...... -0.6V to + 6.25V
Voltage on OE w.r.t. VSS...................... -0.6V to +13.5V
Voltage on A9 w.r.t. VSS....................... -0.6V to +13.5V
Output Voltage w.r.t. VSS ............... -0.6V to VCC+0.6V
Storage temperature .......................... -65˚C to +150˚C
Ambient temp. with power applied .....-55
°C to +125°C
*Notice: Stresses above those listed under “Maximum Ratings” may
cause permanent damage to the device. This is a stress rating only
and functional operation of the device at those or any other conditions
above those indicated in the operation listings of this specification is
not implied.
Exposure to maximum rating conditions for extended
periods may affect device reliability.
TABLE 1-1:
PIN FUCTION TABLE
Name
Function
A0 - A12
Address Inputs
CE
Chip Enable
OE
Output Enable
WE
Write Enable
I/O0 - I/O7
Data Inputs/Outputs
RDY/Busy
Ready/Busy
VCC
+ Power Supply
VSS
Ground
NC
No Connect; No Internal Connection
NU
Not Used; No External Connection is
Allowed
TABLE 1-2:
READ/WRITE OPERATION DC CHARACTERISTICS
VCC = 2.7 to 3.6V
Commercial (C): Tamb =
0
°C to 70°C
Industrial
(I): Tamb = -40
°C to 85°C
Parameter
Status
Symbol
Min
Max
Units
Conditions
Input Voltages
Logic “1”
Logic “2”
VIH
VIL
2.0
0.6
V
V
Input Leakage
ILI
—5
µAVIN = 0V to VCC+1
Input Capacitance
CIN
6
pF
Vin = 0V; Tamb = 25
°C;
f = 1 MHz (Note 1)
Output Voltages
Logic “1”
Logic “0”
VOH
VOL
2.0
0.3
V
V
IOH = -100
µA
IOL = 1.0 mA
I0L = 2.0 mA for RDY/Busy
Output Leakage
ILO
—5
µAVOUT = 0V to VCC+0.1V
Output Capacitance
COUT
—12
pF
VOUT = 0V; Tamb = 25
°C;
f = 1 MHz (Note 1)
Power Supply Current, Activity
TTL input
ICC
8
mA
f = 5 MHz (Note 2)
IO = OmA
VCC = 3.3
CE = VIL
Power Supply Current, Standby
TTL input
TTL input
CMOS input
ICC(S)TTL
ICC(S)TTL
ICC(S)CMOS
—2
3
100
mA
mA
µA
CE = VIH (0
°C to 70°C°)
CE = VIH (-40
°C to 85°C°)
CE = VCC -3.0 to VCC+1
Note 1: Not 100% tested.
2: AC power supply current above 5 MHz: 2 mA/Mhz.


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