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18.1.4 Electrical characteristics of programming algorithm
AC electrical characteristics (Ta = 25±5 °C, Vcc = 6±0.25 V, V
Symbol
t
Address setup time
AS
t
setup time
OES
OE
t
Data setup time
DS
t
Address hold time
AH
t
Data hold time
DH
t
Output floating delay time after
DFP
t
Vcc setup time
VCS
t
V
setup time
VPS
PP
____
t
pulse width
PW
PGM
t
Additional PGM
OPW
___
t
setup time
CES
CE
t
Data delay time after
OE
Programming timing diagram
V
IH
Address
V
IL
V
/V
IH
OH
Data
V
/V
IL
OL
V
PP
V
PP
V
CC
V
+1
CC
V
CC
V
CC
V
IH
CE
V
IL
V
IH
PGM
V
IL
V
IH
OE
V
IL
Parameter
____
pulse width
___
OE
Program
t
AS
Data set
t
t
DS
DH
t
VPS
t
VCS
t
CES
t
OES
t
PW
t
OPW
Switching characteristics measuring conditions
Input voltage : V
Input signal rise/fall time (10 % – 90 %) : ≤ 20 ns
Reference voltage in timing measurement : Input/output "L" = 0.8 V, "H" = 2 V
7751 Group User's Manual
PP
___
OE
Verify
t
AH
Data output valid
t
DFP
t
OE
= 0.45 V, V
= 2.4 V
IL
IH
PROM VERSION
18.1 EPROM mode
= 12.5±0.3 V, unless otherwise noted)
Limits
Min.
Typ.
2
2
2
0
2
0
2
2
0.2
0.19
0.19
2
Unit
Max.
µ s
µ s
µ s
µ s
µ s
130
ns
µ s
µ s
0.21
ms
5.25
ms
µ s
150
ns
18–9
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