UPD78F0078GK-9ET-A Renesas Electronics America, UPD78F0078GK-9ET-A Datasheet - Page 551

• Manufacturer Part Number: UPD78F0078GK-9ET-A
• Manufacturer: Renesas Electronics America

Specifications of UPD78F0078GK-9ET-A

• Lead Free Status / Rohs Status: Supplier Unconfirmed

Flash Memory Programming Characteristics (T
Notes 1. The recommended setting value of the step erase time is 1 s.
Set time from V
Release time from V
V
RESET
V
V
RESET
V
V
Operating frequency
V
V
V
Step erase time
Overall erase time per
area
Step write time
Overall write time per
word
Number of rewrites per
area
PP
DD
PP
PP
PP
PP
PP
PP
(1) Write erase characteristics
(2) Serial write operation characteristics
pulse input start time from
pulse high-/low-level width
pulse input end time from
pulse low-level input voltage
pulse high-level input voltage
supply voltage
supply current
supply current
Note 2
Note 4
Note 3
2. The prewrite time before erasure and the erase verify time (writeback time) are not included.
3. The actual write time per word is 100 s longer. The internal verify time during or after a write is not included.
4. When a product is first written after shipment, “erase
Parameter
Example:
Parameter
DD
Note 1
CHAPTER 27 ELECTRICAL SPECIFICATIONS (CONVENTIONAL PRODUCTS)
to V
PP
PP
to RESET
P: Write, E: Erase
Shipped product
Shipped product
Symbol
V
I
I
T
f
T
T
T
C
X
DD
PP
PP2
er
era
wr
wrw
erwr
4.0 V
2.7 V
During flash memory programming
When
V
When V
When step erase time = 1 s
When step write time = 100 s
1 erase + 1 write after erase = 1 rewrite
Symbol
PP
t
t
t
t
t
V
V
DP
PR
RP
PW
RPE
PPL
PPH
= V
PP2
V
V
PP
DD
DD
User’s Manual U14260EJ4V0UD
= V
E P E P E P: 3 rewrites
< 4.0 V
f
f
X
X
5.5 V
PP2
P E P E P: 3 rewrites
A
= 8.38 MHz
= 5.00 MHz
= +10 to +40 C, V
Conditions
Conditions
V
V
DD
DD
write” and “write only” are both taken as one rewrite.
= 5.0 V 10%
= 3.0 V 10%
DD
= 2.7 to 5.5 V, V
0.8V
MIN.
0.99
MIN.
1.0
1.0
9.7
50
1.0
1.0
8.0
9.7
10
DD
SS
TYP.
TYP.
= AV
10.0
10.0
V
1.0
75
DD
SS
= 0 V)
1.2V
MAX.
MAX.
1000
10.3
8.38
5.00
10.3
1.01
100
100
24
12
20
20
20
DD
Times/area
s/area
MHz
MHz
Unit
Unit
mA
mA
mA
ms
V
s
V
V
s
s
s
s
s
s
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