參數(shù)資料
型號: 28C17AFT-20/TS
元件分類: PROM
英文描述: 2K X 8 EEPROM 5V, 200 ns, PDSO28
封裝: 8 X 20 MM, TSOP-28
文件頁數(shù): 3/8頁
文件大?。?/td> 100K
代理商: 28C17AFT-20/TS
1994 Microchip Technology Inc.
DS11127F-page 3
28C17A
TABLE 1-3:
READ OPERATION AC CHARACTERISTICS
FIGURE 1-1:
READ WAVEFORMS
AC Testing Waveform:
VIH = 2.4V; VIL = 0.45V; VOH = 2.0V; VOL = 0.8V
Output Load:
1 TTL Load + 100 pF
Input Rise and Fall Times:
20 ns
Ambient Temperature:
Commercial (C):
Tamb
=
0C to +70C
Industrial
(I):
Tamb
=
-40C to +85C
Parameter
Symbol
28C17A
-15
28C17A
-20
28C17A
-25
Units
Conditions
Min
Max
Min
Max
Min
Max
Address to Output Delay
tACC
150
200
250
ns
OE = CE = VIL
CE to Output Delay
tCE
150
200
250
ns
OE = VIL
OE to Output Delay
tOE
—70—80—
100
ns
CE = VIL
CE or OE High to Output
Float
tOFF
050055070
ns
Output Hold from Address,
CE or OE, whichever occurs
rst.
tOH
0—0—0—
ns
Address
CE
VIH
VIL
VIH
VIL
VIH
VIL
OE
Data
WE
VOH
VOL
VIH
VOL
Address Valid
High Z
Valid Output
tACC
(1) tOFF is specified for OE or CE, whichever occurs first
(2) OE may be delayed up to tCE - t OE after the falling edge of CE without impact on tCE
(3) This parameter is sampled and is not 100% tested
High Z
tOH
tOFF(1,3)
Notes:
tOE(2)
tCE(2)
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