Datasheet

Operation modes M48T08, M48T08Y, M48T18
12/31 Doc ID 2411 Rev 11
Table 4. WRITE mode AC characteristics
Symbol Parameter
(1)
1. Valid for ambient operating temperature: T
A
= 0 to 70 °C; V
CC
= 4.75 to 5.5 V or 4.5 to 5.5 V (except where noted).
M48T08/M48T18/T08Y
Unit–100/–10 (T08Y) –150/–15 (T08Y)
MinMaxMinMax
t
AVAV
WRITE cycle time 100 150 ns
t
AVWL
Address valid to WRITE enable low 0 0 ns
t
AVE1L
Address valid to chip enable 1 low 0 0 ns
t
AVE2H
Address valid to chip enable 2 high 0 0 ns
t
WLWH
WRITE enable pulse width 80 100 ns
t
E1LE1H
Chip enable 1 low to chip enable 1 high 80 130 ns
t
E2HE2L
Chip enable 2 high to chip enable 2 low 80 130 ns
t
WHAX
WRITE enable high to address transition 10 10 ns
t
E1HAX
Chip enable 1 high to address transition 10 10 ns
t
E2LAX
Chip enable 2 low to address transition 10 10 ns
t
DVWH
Input valid to WRITE enable high 50 70 ns
t
DVE1H
Input valid to chip enable 1 high 50 70 ns
t
DVE2L
Input valid to chip enable 2 low 50 70 ns
t
WHDX
WRITE enable high to input transition 5 5 ns
t
E1HDX
Chip enable 1 high to input transition 5 5 ns
t
E2LDX
Chip enable 2 low to input transition 5 5 ns
t
WLQZ
WRITE enable low to output Hi-Z 50 70 ns
t
AVWH
Address valid to WRITE enable high 80 130 ns
t
AVE1H
Address valid to chip enable 1 high 80 130 ns
t
AVE2L
Address valid to chip enable 2 low 80 130 ns
t
WHQX
WRITE enable high to output transition 10 10 ns