參數(shù)資料
型號: SN74SSTU32864GKER
廠商: TEXAS INSTRUMENTS INC
元件分類: 鎖存器
英文描述: SSTU SERIES, POSITIVE EDGE TRIGGERED D FLIP-FLOP, TRUE OUTPUT, PBGA96
封裝: PLASTIC, LFBGA-96
文件頁數(shù): 5/20頁
文件大?。?/td> 561K
代理商: SN74SSTU32864GKER
SN74SSTU32864
25-BIT CONFIGURABLE REGISTERED BUFFER
WITH SSTL_18 INPUTS AND OUTPUTS
SCES434 – MARCH 2003
13
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
PARAMETER MEASUREMENT INFORMATION
VCC/2
VOLTAGE AND CURRENT WAVEFORMS
INPUTS ACTIVE AND INACTIVE TIMES
NOTES: A. CL includes probe and jig capacitance.
B. ICC tested with clock and data inputs held at VCC or GND, and IO = 0 mA.
C. All input pulses are supplied by generators having the following characteristics: PRR
≤ 10 MHz, ZO = 50 ,
input slew rate = 1 V/ns
±20% (unless otherwise noted).
D. The outputs are measured one at a time with one transition per measurement.
E. VREF = VCC/2
F. VIH = VREF + 250 mV (ac voltage levels) for differential inputs. VIH = VCC for LVCMOS input.
G. VIL = VREF – 250 mV (ac voltage levels) for differential inputs. VIL = GND for LVCMOS input.
H. VI(PP) = 600 mV
I. tPLH and tPHL are the same as tpd.
0 V
VCC
th
tsu
VOLTAGE WAVEFORMS
SETUP AND HOLD TIMES
Timing
Inputs
VICR
VREF
Input
VIL
VIH
VREF
VI(PP)
tPHL
VOH
VOL
Output
VTT
tPLH
tPHL
VIH
VIL
VOL
VOH
LVCMOS
RESET
Input
Output
VOLTAGE WAVEFORMS
PROPAGATION DELAY TIMES
VTT
VCC/2
VI(PP)
VICR
Timing
Inputs
VICR
VOLTAGE WAVEFORMS
PROPAGATION DELAY TIMES
VCC/2
VREF
Input
VREF
tw
VOLTAGE WAVEFORMS
PULSE DURATION
VIH
VIL
LVCMOS
RESET
Input
tact
tinact
10%
90%
ICC (operating)
ICC (standby)
ICC
(see
Note B)
Clock Inputs
LOAD CIRCUIT
RL = 1 k
VCC
ZO = 50 ,
tD = 350 ps
ZO = 50 ,
tD = 350 ps
CL = 30 pF
(see Note A)
Output
Test Point
DUT
RL = 100
CLK
Out
CLK
ZO = 50 ,
tD = 350 ps
Test
Point
Test
Point
RL = 1 k
Figure 1. Load Circuit and Voltage Waveforms
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