27C512A-20/L Microchip Technology, 27C512A-20/L Datasheet - Page 3
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27C512A-20/L
Manufacturer Part Number
27C512A-20/L
Description
IC OTP 512KBIT 200NS 32PLCC
Manufacturer
Microchip Technology
Datasheet
1.27C512A-15SO.pdf
(10 pages)
Specifications of 27C512A-20/L
Format - Memory
EPROMs
Memory Type
OTP EPROM
Memory Size
512K (64K x 8)
Speed
200ns
Interface
Parallel
Voltage - Supply
4.5 V ~ 5.5 V
Operating Temperature
0°C ~ 70°C
Package / Case
32-PLCC
Lead Free Status / RoHS Status
Request inventory verification / Request inventory verification
TABLE 1-3:
FIGURE 1-1:
Address to Output
Delay
CE to Output Delay
OE to Output Delay
OE to Output High
Impedance
Output Hold from
Address, CE or OE/
V
occurred first
*90/10 AC Testing Waveforms: V
Output Load: 1 TTL Load + 30 pF
Address
Outputs
O0 - O7
Notes:
2004 Microchip Technology Inc.
PP
, whichever
Parameter
CE
OE
(1) t
(2) OE may be delayed up to t
(3) This parameter is sampled and is not 100% tested.
V
V
V
V
V
V
V
V
IH
IL
IH
IL
IH
IL
OH
OL
OFF
READ OPERATION AC CHARACTERISTICS
READ WAVEFORMS
is specified for OE or CE, whichever occurs first
AC Testing Waveform:
Output Load:
Input Rise and Fall Times:
Ambient Temperature:
Sym
t
t
ACC
t
t
t
OFF
CE
OE
OH
High Z
IH
= 3.0V and V
27C512-90*
Min
—
—
—
0
0
CE
Max
90
90
40
35
—
- t
IL
OE
= 0V; V
after the falling edge of CE without impact on t
27C512-10*
Min
—
—
—
0
0
OH
V
1 TTL Load + 100 pF
10 ns
Commercial:
Industrial:
Extended (Automotive):
t
IH
= 1.5V and V
ACC
= 2.4V and V
Address Valid
Max
t
100
100
CE(2)
40
35
—
t
OE(2)
Min
27C512-12
OL
—
—
—
0
0
= 1.5V
IL
= .45V; V
Max
120
120
50
40
—
Valid Output
Tamb =
Tamb = -40°C to +85°C
Tamb = -40°C to +125°C
Min
OH
27C512-15
—
—
—
0
0
= 2.0V and V
Max
150
150
0°C to +70°C
60
45
—
t
27C512A
OH
CE
t
OFF(1,3)
Units Conditions
OL
ns
ns
ns
ns
ns
DS11173G-page 3
= 0.8V
CE = OE/
V
OE/V
V
CE = V
PP
IL
High Z
= V
PP
IL
IL
=