
MCM63R836
MCM63R918
8
MOTOROLA FAST SRAM
AC OPERATING CONDITIONS AND CHARACTERISTICS
(2.375 V
≤
VDD
≤
3.6 V, 0
°
C
≤
TA
≤
70
°
C, Unless Otherwise Noted)
Input Pulse Levels
Input Rise/Fall Time
Input Timing Measurement Reference Level
Output Timing Reference Level
0.25 to 1.25 V
1 V/ns (20% to 80%)
. . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . .
0.75 V
0.75 V
. . . . . . . . . . . . . . . . . . . . . . . . .
Clock Input Timing Reference Level
ZQ for 50
Impedance
R
θ
JA Device
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Differential Cross–Point
. . . . . .
250
22 C/W
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
READ/WRITE CYCLE TIMING
(See Note 1)
63R836–3.0
63R918–3.0
63R836–3.3
63R918–3.3
63R836–3.7
63R918–3.7
63R836–4.0
63R918–4.0
Parameter
Symbol
Min
Max
Min
Max
Min
Max
Min
Max
Unit
Notes
Cycle Time
tKHKH
tKHKL
tKLKH
tKHQX1
tKHQV
tKHQX
tKHQZ
tZZE
tZZR
tAVKH
tDVKH
tSVKH
tWVKH
tKHAX
tKHDX
tKHSX
tKHWX
3
—
3.3
—
3.7
—
4
—
ns
Clock High Pulse Width
1.2
—
1.2
—
1.5
—
1.5
—
ns
Clock Low Pulse Width
1.2
—
1.2
—
1.5
—
1.5
—
ns
Clock High to Output Low–Z
0.5
—
0.5
—
0.5
—
0.5
—
ns
1, 2
Clock High to Output Valid
—
1.5
—
1.65
—
1.85
—
2
ns
Clock High to Output Hold
0.5
—
0.5
—
0.5
—
0.5
—
ns
1
Clock High to Output High–Z
—
1.5
—
1.6
—
1.7
—
2
ns
1, 3
ZZ High to Sleep Mode
3
—
3.3
—
3.7
—
4
—
ns
ZZ Low to Recovery
—
10
—
10
—
10
—
10
ns
Setup Times:
Address
Data In
Chip Select
Write Enable
0.5
—
0.5
—
0.5
—
0.5
—
ns
Hold Times:
Address
Data In
Chip Select
Write Enable
0.5
—
0.5
—
0.5
—
0.5
—
ns
NOTES:
1. This parameter is sampled and not 100% tested.
2. Measured at
±
200 mV from steady state.
3. Measured at
±
200 mV from steady state. See Test Load Figure 1b.
F
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
n
.