x4c105 Intersil Corporation, x4c105 Datasheet - Page 14

• Manufacturer Part Number: x4c105
• Description: Cpu Supervisor With Novram And Output Ports
• Manufacturer: Intersil Corporation

NOVRAM READ CYCLE SPECIFICATIONS
Table 2. NOVRAM Read Cycle Limits
Note:
NOVRAM Read Cycle
t
t
t
t
t
t
t
t
t
t
t
t
Symbol
RC
CE
OE
OH
WES
WEH
LZ
OLZ
HZ
OHZ
SOE
HOE
(9)
(9)
(9)
(9)
(9)
(9)
(9) t
D0-D3
measured, with CL = 5pF, from the point when CE or OE return high (whichever occurs first) to the time when the outputs are no longer
driven.
LZ
WE
OE
CE
and t
Read cycle time
Chip enable access time
Output enable access time
Output hold from CE or OE HIGH
Write enable HIGH setups time
Write enable HIGH hold time
Chip enable to output in low Z
Output enable to output in low Z
Chip disable to output in high Z
Output disable to output in high Z
OE setup prior to operation in 2-wire mode
OE hold following operation in 2-wire mode
OLZ
t
WES
min.; t
SOE
14
and t
HOE
t
LZ
t
t
CE
OLZ
min; and t
t
Parameter
OE
HZ
and t
OHZ
X4C105
are periodically sampled and not 100% tested. t
t
RC
t
HZ
t
OH
t
WEH
t
OHZ
Min.
100
100
25
25
V
0
0
0
0
0
-40°C to +85°C
CC
= 3.0V-3.6V
HZ
Max.
120
max. and t
50
50
50
50
OHZ
March 18, 2005
Unit
max. are
ms
ms
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
FN8124.0