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參數(shù)資料
| 型號： | WS57C291C-55TMB |
| 元件分類： | PROM |
| 英文描述： | 2K X 8 UVPROM, 55 ns, CDIP24 |
| 封裝： | 0.300 INCH, CERDIP-24 |
| 文件頁數(shù)： | 6/7頁 |
| 文件大小： | 55K |
| 代理商： | WS57C291C-55TMB |
PROGRAMMING INFORMATION
DC CHARACTERISTICS (T
A = 25 ± 5°C, VCC = 6.25 V ± 0.25 V, VPP = 12.75 ± 0.25 V)
SYMBOLS
PARAMETER
MIN
MAX
UNITS
ILI
Input Leakage Current
–10
10
A
(VIN = VCC or Gnd)
IPP
VPP Supply Current During
60
mA
Programming Pulse
ICC
VCC Supply Current
25
mA
VOL
Output Low Voltage During Verify
0.45
V
(IOL = 16 mA)
VOH
Output High Voltage During Verify
2.4
V
(IOH = –4 mA)
WS57C191C/291C
2-12
SYMBOLS
PARAMETER
MIN
TYP
MAX
UNITS
tAS
Address Setup Time
2
s
tDF
Chip Disable Setup Time
30
ns
tDS
Data Setup Time
2
s
tPW
Program Pulse Width
100
200
s
tDH
Data Hold Time
2
s
tCS
Chip Select Delay
30
ns
tRF
VPP Rise and Fall Time
1
s
NOTES: 8. VPP must not be greater than 13 volts including overshoot.
AC CHARACTERISTICS (T
A = 25 ± 5°C, VCC = 6.25 V ± 0.25 V, VPP = 12.75 ± 0.25 V)
PROGRAMMING WAVEFORM
ADDRESS STABLE
ADDRESSES
VIH
VIL
VPP
VIH
VIL
CS1/VPP
DATA
tAS
tDF
tDS
tPW
tDH
tCS
tRF
DATA OUT
DATA IN
DON'T CARE
CS2/CS3
VIH
VIL
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| WS57C43 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:HIGH SPEED 4K x 8 CMOS PROM/RPROM |
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