Specifications

EPSON 2–11
SED1200 Series
SED1200
Series
VDD = 2.5 to 4.5 V, Ta = –10 to 70°C.
Note: Load on pin DB3 is C
L = 100 pF.
MPU Write Timing
t CW
A0
CS
DB0 to DB3
WR
WR
Cycle time
(A0, CS, WR,
DB0 to DB3, φ)t
HL t LH
t WCYC t W1W2
t WA t WP
t AW t WP
t W1W2
t WC
t DS
t DH
t DS
t DH
D0 to D3D4 to D7
Lower dataUpper data
t
W1W2
Upper data
write
Lower data
write
Upper data
write
Lower data
write
2.0V
0.8V
Parameter Symbol
Rating
Unit
min typ max
Setup time for A0 → RD tAR 0——ns
Setup time for CS → RD tCR 0——ns
RD delay output time tRD — — 350 ns
Hold time for RD → A0 tRA 0——ns
Hold time for RD → CS tRC 0——ns
Data hold time tRH 10 — — ns
Read pulsewidth tRP 400 — — ns
Input fall time tf ——50ns
Input rise time
tr ——50ns