br9016 ROHM Co. Ltd., br9016 Datasheet - Page 6

• Manufacturer Part Number: br9016
• Description: 8k, 16k Bit Eeproms For Direct Connection To Serial Ports
• Manufacturer: ROHM Co. Ltd.

Memory ICs
(3) Read cycle
BR9080 / F / RFV
BR9016 / F / RFV
1) After the fall of the 16th clock pulse, 16-bit data is output from the DO pin in synchronization with the falling edge of the
2)
SK signal.
(DO output changes at a time lag of t
During the t
See the synchronized data input / output timing chart in Fig.2.)
SK
CS
DI
DO
R / B
WC
SK
CS
DI
DO
R / B
WC
PD0
and t
H
L
H
L
H
L
H
H
L
H
L
H
L
H
High or LOW
High or LOW
PD1
HIGH-Z
HIGH-Z
timing, the t
1
1
1
1
0
0
1
1
PD
PD0
0
0
time should be assured before data is read, to avoid the previous data being lost.
4
4
, t
PD1
1
1
because of internal circuit delay following the falling edge of the SK signal.
0
0
A0
0
A0
A1
8
8
Fig.4 BR9080 / F / RFV
Fig.5 BR9016 / F / RFV
BR9080 / BR9080F / BR9080RFV /
A1
A2
BR9016 / BR9016F / BR9016RFV
A7
A8
16
A8
16
A9
D0
D0
Read Data (n)
Read Data (n)
D15
D15
32
32
D0
D0
Read Data (n+1)
Read Data (n+1)
D15
D15
48
48
STANDBY
STANDBY
t
t
CS
CS
HIGH-Z
HIGH-Z
t
t
OH
OH