27LV256-20/P Microchip Technology, 27LV256-20/P Datasheet - Page 3

• Manufacturer Part Number: 27LV256-20/P
• Description: IC OTP 256KBIT 200NS 28DIP
• Manufacturer: Microchip Technology

Specifications of 27LV256-20/P

• Format - Memory: EPROMs
• Memory Type: OTP EPROM
• Memory Size: 256K (32K x 8)
• Speed: 200ns
• Interface: Parallel
• Voltage - Supply: 3 V ~ 5.5 V
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 28-DIP (0.600", 15.24mm)
• 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
CE or OE to O/P High
Impedance
Output Hold from
Address CE or OE,
whichever goes first
Address
Outputs
O0 - O7
2004 Microchip Technology Inc.
Notes:
CE
OE
Parameter
(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
High Z
Sym
t
t
ACC
t
t
t
OFF
OE
OH
CE
AC Testing Waveform:
Output Load:
Input Rise and Fall Times: 10 ns
Ambient Temperature:
Min
27HC256-20
—
—
—
0
0
CE
- t
OE
Max
200
200
100
50
—
after the falling edge of CE without impact on t
t
ACC
Min
27HC256-25
—
—
—
Address valid
t
0
0
CE(2)
V
1 TTL Load + 100 pF
Commercial:
Industrial:
IH
t
OE(2)
= 2.4V and V
Max
250
250
125
50
—
Min
27HC256-30
—
—
—
0
0
IL
Valid Output
= 0.45V; V
Max
300
300
125
50
—
Tamb =
Tamb = -40°C to +85°C
OH
Units
ns
ns
ns
ns
ns
t
= 2.0V V
OH
CE
27LV256
t
OFF(1,3)
0°C to +70°C
DS11020H-page 3
CE = OE = V
OE = V
CE = V
Conditions
OL
= 0.8V
IL
IL
High Z
IL