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參數(shù)資料
| 型號(hào)： | 28LV64A-20I/L |
| 元件分類： | PROM |
| 英文描述： | 8K X 8 EEPROM 3V, 200 ns, PQCC32 |
| 封裝： | PLASTIC, LCC-32 |
| 文件頁數(shù)： | 3/10頁 |
| 文件大?。?/td> | 130K |
| 代理商： | 28LV64A-20I/L |
28LV64A
DS21113E-page 2
Preliminary
2004 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
Input Leakage
—
ILI
—5
A
VIN = 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
IOH = -100A
IOL = 1.0 mA
I0L = 2.0 mA for RDY/Busy
Output Leakage
—
ILO
—5
A
VOUT = 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
CMOS input
ICC(S)TTL
ICC(S)CMOS
—2
3
100
mA
A
CE = VIH (0
°C to 70°C°)
CE = VIH (-40
°C to 85°C°)
CE = VCC -3.0 to VCC+1
OE = WE = VCC
All other inputs equal VCC or
VSS
Note 1: Not 100% tested.
2: AC power supply current above 5 MHz: 2 mA/Mhz.
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