參數(shù)資料
型號(hào): HYB39S16320TQ-8
廠商: SIEMENS A G
元件分類: DRAM
英文描述: 128 x 64 pixel format, LED Backlight available
中文描述: 512K X 32 SYNCHRONOUS GRAPHICS RAM, 6 ns, PQFP100
封裝: TQFP-100
文件頁數(shù): 28/70頁
文件大?。?/td> 563K
代理商: HYB39S16320TQ-8
HYB 39S16320TQ-6/-7/-8
Semiconductor Group
28
1998-10-01
Notes
1. AC timing tests have
V
IL
= 0.4 V and
V
IH
= 2.4 V with the timing referenced to the 1.4 V crossover
point. The transition time is measured between
V
IH
and
V
IL
. All AC measurements assume
t
T
= 1 ns with the AC output load circuit shown.
2. If clock rising time is longer than 1ns, a time (
t
T
/2
0.5) ns has to be added to this parameter.
3. If
t
T
is longer than 1 ns, a time (
t
T
1) ns has to be added to this parameter.
4. These parameter account for the number of clock cycle and depend on the operating frequency
of the clock, as follows: Number of clock cycle = specified value of timing period (counted in
fractions as a whole number)
5. Self Refresh Exit is a synchronous operation and begins on the second positiv edge after CKE
returns high. Self Refresh Exit is not complete until a time period equal to
t
RC
is satisfied once the
Self Refresh Exit command is registered.
6. Any time that the refresh Period has been exceeded, a minimum of two Auto (CRB) Refresh
commands must be given to “wake-up“ the device.
7. Referenced to the time which the output achieves the open circuit condition, not to output voltage
levels.
SPT03404
CLOCK
2.4 V
0.4 V
INPUT
HOLD
t
SETUP
t
t
T
OUTPUT
1.4 V
t
LZ
AC
t
t
AC
OH
t
HZ
t
1.4 V
CL
t
CH
t
50 pF
I/O
Measurement conditions for
t
AC
and
t
OH
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