BSI
AC TEST CONDITIONS
Input Pulse Levels
Input Rise and Fall Times
Input and Output
Timing Reference Level
Vcc/0V
5ns
0.5Vcc
AC TEST LOADS AND WAVEFORMS
5.0V
OUTPUT
1928 Ω
5.0V
OUTPUT
1928 Ω
INCLUDING
JIG AND
SCOPE
100PF
1020 Ω
INCLUDING
JIG AND
SCOPE
5PF
1020 Ω
FIGURE 1A
FIGURE 1B
OUTPUT
THEVENIN EQUIVALENT
667 Ω
1.73V
ALL INPUT PULSES
Vcc
GND
10%
→
90% 90%
←
→
FIGURE 2
10%
← 5ns
BS62LV1025
KEY TO SWITCHING WAVEFORMS
WAVEFORM
INPUTS
MUST BE
STEADY
MAY CHANGE
FROM H TO L
MAY CHANGE
FROM L TO H
,
DON T CARE:
ANY CHANGE
PERMITTED
DOES NOT
APPLY
OUTPUTS
MUST BE
STEADY
WILL BE
CHANGE
FROM H TO L
WILL BE
CHANGE
FROM L TO H
CHANGE :
STATE
UNKNOWN
CENTER
LINE IS HIGH
IMPEDANCE
”OFF ”STATE
AC ELECTRICAL CHARACTERISTICS ( TA = 0oC to + 70oC, Vcc = 5.0V )
READ CYCLE
JEDEC
PARAMETER
NAME
t AVAX
t AVQV
t E1LQV
t E2HOV
t GLQV
t E1LQX
t E2HOX
t GLQX
t E1HQZ
t E2HQZ
t GHQZ
t AXOX
PARAMETER
NAME
DESCRIPTION
tRC
tAA
t ACS1
t ACS2
tOE
t CLZ1
t CLZ2
t OLZ
t CHZ1
t CHZ2
t OHZ
Read Cycle Time
Address Access Time
Chip Select Access Time
Chip Select Access Time
Output Enable to Output Valid
Chip Select to Output Low Z
Chip Select to Output Low Z
Output Enable to Output in Low Z
Chip Deselect to Output in High Z
Chip Deselect to Output in High Z
Output Disable to Output in High Z
(CE1)
(CE2)
(CE1)
(CE2)
(CE1)
(CE2)
tOH
Output Disable to Output Address Change
BS62LV1025 - 55
MIN. TYP. MAX.
55 -- --
-- -- 55
-- -- 55
-- -- 55
-- -- 30
10 -- --
10 -- --
10 -- --
0 -- 35
0 -- 35
0 -- 30
10 -- --
BS62LV1025-70
MIN. TYP. MAX.
70 -- --
-- -- 70
-- -- 70
-- -- 70
-- -- 40
10 -- --
10 -- --
10 -- --
0 -- 40
0 -- 40
0 -- 35
10 -- --
UNIT
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
R0201-BS62LV1025
4
Revision 2.2
April 2001