µ
PD4991A
READ CYCLE (Unless otherwise specified, V
DD
= 5 V
±
10 %, T
a
= –40 to +85
°
C)
PARAMETER
Cycle Time
Address Access Time
CS-Access Time
OE-Output Delay Time
OE-Output Delay Time
OE-Output Delay Time
Output Hold Time
CS-Output Set Time
CS-Output Floating Time
SYMBOL MIN.
t
RC
t
AA
t
ACS
t
OE
t
OLZ
t
OHZ
t
OH
t
CLZ
t
CHZ
15
0
5
5
50
150
150
150
75
ns
TYP.
MAX.
UNIT
CONDITIONS
Read Cycle (V
DD
= 2.7 to 3.6 V, T
a
= –40 to +85
°
C)
PARAMETER
Cycle Time
Address Access Time
CS-Access Time
OE-Output Delay Time
OE-Output Delay Time
OE-Output Delay Time
Output Hold Time
CS-Output Setup Time
CS-Output Floating Time
SYMBOL MIN.
t
RC
t
AA
t
ACS
t
OE
t
OLZ
t
OHZ
t
OH
t
CLZ
t
CHZ
20
15
10
10
70
210
210
210
110
ns
TYP.
MAX.
UNIT
CONDITIONS
8
NEC [ NEC ]
