參數(shù)資料
型號(hào): 28C256TRT1DB-12
廠商: MAXWELL TECHNOLOGIES
元件分類: PROM
英文描述: 256K EEPROM (32K x 8-Bit) EEPROM
中文描述: 32K X 8 EEPROM 5V, 120 ns, DIP28
封裝: DIP-28
文件頁(yè)數(shù): 5/14頁(yè)
文件大?。?/td> 283K
代理商: 28C256TRT1DB-12
M
5
All data sheets are subject to change without notice
2001 Maxwell Technologies
All rights reserved.
256K EEPROM(32K x 8-Bit) EEPROM
28C256T
02.18.02 Rev5
WE Pulse Width
-120
-150
CE Pulse Width
-120
-150
9, 10, 11
t
WP 2
t
CW 3
200
250
200
250
--
--
--
--
--
--
--
--
ns
Address Hold Time
-120
-150
9, 10, 11
t
AH
150
150
--
--
--
--
ns
Data Setup Time
-120
-150
9, 10, 11
t
DS
75
100
--
--
--
--
ns
Data Hold Time
-120
-150
9, 10, 11
t
DH
10
10
--
--
--
--
ns
Chip Enable Hold Time
2
-120
-150
9, 10, 11
t
CH
0
0
--
--
--
--
ns
Output Enable to Write Setup Time
-120
-150
9, 10, 11
t
OES
0
0
--
--
--
--
ns
Output Enable Hold Time
-120
-150
9, 10, 11
t
OEH
0
0
--
--
--
--
ns
Data Latch Time
4
-120
-150
9, 10, 11
t
DL
--
--
230
280
--
--
ns
Write Cycle Time
-120
-150
9, 10, 11
t
WC
--
--
--
--
10
10
ms
Byte Load Window
4
-120
-150
9, 10, 11
t
BL
--
--
100
100
--
--
us
Byte Load Cycle
4
-120
-150
9, 10, 11
t
BLC
0.55
0.55
--
--
30
30
us
Write Start Time
-120
-150
9, 10, 11
t
DW
150
150
--
--
--
--
ns
1. Use this device in a longer cycle than this value.
2. WE controlled operation.
3. CE controlled operation.
4. Not tested.
T
ABLE
8. 28C256T AC E
LECTRICAL
C
HARACTERISTICS
FOR
P
AGE
/B
YTE
E
RASE
AND
W
RITE
O
PERATIONS
(V
CC
= 5V ±10%, T
A
= -55
TO
125 °C
UNLESS
OTHERWISE
SPECIFIED
)
P
ARAMETER
S
UBGROUPS
S
YMBOL
M
IN1
T
YP
M
AX
U
NITS
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