gc80c520a CORERIVER Semiconductor, gc80c520a Datasheet - Page 76
gc80c520a
Manufacturer Part Number
gc80c520a
Description
Midas1.0 Family Mask Rom/eprom/romless 8-bit Turbo Microcontrollers
Manufacturer
CORERIVER Semiconductor
Datasheet
1.GC80C520A.pdf
(187 pages)
- Current page: 76 of 187
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Programming supply voltage
Programming supply current
Address hold after ALE high
Address setup to ALE low
Control Signal
ENABLE low to data valid
Data hold after ALE high
Vpp hold after ALE high
Data setup to ALE low
Vpp setup to ALE low
Address to data valid
ENABLE High to Vpp
ALE high to ALE low
Data float after EA
(ENABLE)
ALE low width
P1[7:0]
P2[5:0]
P0[7:0]
Parameter
ALE
Figure 6-41 Timing of EPROM programming and Verification
EA
VCC
T
EHSH
T
Table 6-16 EPROM Characteristics
T
DVGL
SHGL
T
PROGRAMMING
AVGL
VPP
ADDRESS
* Oscillator frequency: Freq. = 4 ~ 6MHz (1 T
DATA IN
5 pulses
T
GLGH
T
GHGL
Symbol
Page 76 of 187
T
T
T
T
T
T
T
T
T
T
T
T
T
Vpp
Ipp
GHDX
GHAX
GHAX
DVGL
EHSH
SHGL
GHSL
GLGH
AVQV
EHQZ
GHGL
AVGL
ELQV
T
T
GHSL
GHDX
48T
48T
48T
48T
48T
11.0
Min
10
10
90
10
0
CLCL
CLCL
CLCL
CLCL
CLCL
T
Functional Description
ELQV
VERIFICATION
48T
48T
48T
T
DATA OUT
Max
12.0
ADDRESS
AVQV
110
75
CLCL
CLCL
CLCL
CLCL
T
EHQZ
= 1/Freq.)
Units
MA
Us
Us
Us
Us
V
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