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參數(shù)資料
| 型號： | M87C257-70C3TR |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | PROM |
| 英文描述： | 32K X 8 OTPROM, 70 ns, PQCC32 |
| 封裝： | LEAD FREE, PLASTIC, LCC-32 |
| 文件頁數(shù)： | 7/22頁 |
| 文件大?。?/td> | 196K |
| 代理商： | M87C257-70C3TR |
Obsolete
Product(s)
- Obsolete
Product(s)
M87C257
DC and AC parameters
15/22
Table 9.
Read mode AC characteristics 1(1) (2)
1.
TA = 0 to 70 °C, –40 to 85 °C; –40 to 105 °C or –40 to 125 °C; VCC = 5V ± 5% or 5V ± 10%; VPP = VCC
2.
VCC must be applied simultaneously with or before VPP and removed simultaneously or after VPP.
Symbol Alt
Parameter
Test
Condition
M87C257
Unit
-45(3)
3.
Speed obtained with High Speed AC measurement conditions.
-60
-70
-80
Min Max Min Max Min Max Min Max
tAVQV
tACC
Address Valid to
Output Valid
E = VIL,
G = VIL
45
60
70
80
ns
tAVASL
tAL
Address Valid to
Address Strobe Low
777
7
ns
tASHASL tLL
Address Strobe High
to Address Strobe Low
35
ns
tASLAX
tLA
Address Strobe Low to
Address Transition
20
ns
tASLGL tLOE
Address Strobe Low to
Output Enable Low
20
ns
tELQV
tCE
Chip Enable Low to
Output Valid
G = VIL
45
60
70
80
ns
tGLQV
tOE
Output Enable Low to
Output Valid
E = VIL
25
30
35
40
ns
tEHQZ
(4)
4.
Sampled only, not 100% tested.
tDF
Chip Enable High to
Output Hi-Z
G = VIL
0250300
30
040
ns
tGHQZ
tDF
Output Enable High to
Output Hi-Z
E = VIL
0250300
30
040
ns
tAXQX
tOH
Address Transition to
Output Transition
E = VIL,
G = VIL
000
0
ns
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| M87C257-70C3X | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:ADDRESS LATCHED 256K 32K x 8 UV EPROM and OTP EPROM |
| M87C257-70C6TR | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:ADDRESS LATCHED 256K 32K x 8 UV EPROM and OTP EPROM |
| M87C257-70C6X | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:ADDRESS LATCHED 256K 32K x 8 UV EPROM and OTP EPROM |
| M87C257-70C7TR | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:ADDRESS LATCHED 256K 32K x 8 UV EPROM and OTP EPROM |
| M87C257-70C7X | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:ADDRESS LATCHED 256K 32K x 8 UV EPROM and OTP EPROM |
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