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參數(shù)資料
| 型號： | M27C64A-15K6X |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | PROM |
| 英文描述： | 8K X 8 OTPROM, 150 ns, PQCC32 |
| 封裝： | PLASTIC, LCC-32 |
| 文件頁數(shù)： | 13/14頁 |
| 文件大小： | 107K |
| 代理商： | M27C64A-15K6X |
M27C64A
8/14
Table 10. Programming Mode DC Characteristics (1)
(TA = 25 °C; VCC = 6V ± 0.25V; VPP = 12.5V ± 0.25V)
Note: 1. VCC must be applied simultaneously with or before VPP and removed simultaneously or after VPP.
Table 11. Programming Mode AC Characteristics (1)
(TA = 25 °C; VCC = 6V ± 0.25V; VPP = 12.5V ± 0.25V)
Note: 1. VCC must be applied simultaneously with or before VPP and removed simultaneously or after VPP.
2. Sampled only, not 100% tested.
Symbol
Parameter
Test Condition
Min
Max
Unit
ILI
Input Leakage Current
VIL ≤ VIN ≤ VIH
±10
A
ICC
Supply Current
30
mA
IPP
Program Current
E = VIL
30
mA
VIL
Input Low Voltage
–0.3
0.8
V
VIH
Input High Voltage
2
VCC + 0.5
V
VOL
Output Low Voltage
IOL = 2.1mA
0.4
V
VOH
Output High Voltage TTL
IOH = –400A
2.4
V
VID
A9 Voltage
11.5
12.5
V
Symbol
Alt
Parameter
Test Condition
Min
Max
Unit
tAVPL
tAS
Address Valid to Program Low
2
s
tQVPL
tDS
Input Valid to Program Low
2
s
tVPHPL
tVPS
VPP High to Program Low
2s
tVCHPL
tVCS
VCC High to Program Low
2s
tELPL
tCES
Chip Enable Low to Program Low
2
s
tPLPH
tPW
Program Pulse Width (Initial)
0.95
1.05
ms
Program Pulse Width (Over Program)
2.85
78.75
ms
tPHQX
tDH
Program High to Input Transition
2
s
tQXGL
tOES
Input Transition to Output Enable Low
2
s
tGLQV
tOE
Output Enable Low to Output Valid
100
ns
tGHQZ
(2)
tDFP
Output Enable High to Output Hi-Z
0
130
ns
tGHAX
tAH
Output Enable High to Address
Transition
0ns
change a "0" to a "1" is by die exposition to ultravi-
olet light (UV EPROM). The M27C64A is in the
programming mode when VPP input is at 12.5V, E
is at VIL and P is pulsed to VIL. The data to be pro-
grammed is applied to 8 bits in parallel to the data
output pins. The levels required for the address
and data inputs are TTL. VCC is specified to be 6V
± 0.25V.
Programming
When delivered (and after each erasure for UV
EPROM), all bits of the M27C64A are in the "1"
state. Data is introduced by selectively program-
ming "0"s into the desired bit locations. Although
only "0"s will be programmed, both "1"s and "0"s
can be present in the data word. The only way to
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