參數(shù)資料
型號: 74AHCT594
廠商: NXP Semiconductors N.V.
英文描述: 8-bit shift register with output register
中文描述: 8位輸出寄存器移位寄存器
文件頁數(shù): 22/29頁
文件大?。?/td> 137K
代理商: 74AHCT594
74AHC_AHCT594_1
Koninklijke Philips Electronics N.V. 2006. All rights reserved.
Product data sheet
Rev. 01 — 4 July 2006
22 of 29
Philips Semiconductors
74AHC594; 74AHCT594
8-bit shift register with output register
Measurement points are given in
Table 10
.
V
OL
and V
OH
are typical voltage output drop that occur with the output load.
Fig 14. The storage reset (STR) pulse width, the storage reset to output (Qn) propagation delay and the storage
reset to storage clock (STCP) recovery time
mbc326
V
M
t
su
V
M
V
M
STCP input
Q
n
outputs
SHR input
Table 10.
Type
Measurement points
Input
V
M
0.5
×
V
CC
1.5 V
Output
V
M
0.5
×
V
CC
0.5
×
V
CC
74AHC594
74AHCT594
For test data see
Table 11
.
Definitions for test circuit:
C
L
= Load capacitance including jig and probe capacitance.
R
T
= Termination resistance should be equal to output impedance Z
o
of the pulse generator.
Fig 15. Load circuitry for switching times
mna101
V
CC
V
I
V
O
RT
CL
PULSE
GENERATOR
DUT
Table 11.
Type
Test data
Input
V
I
V
CC
3.0 V
Load
C
L
50 pF, 15 pF
50 pF, 15 pF
Test
t
r
, t
f
3.0 ns
3.0 ns
74AHC594
74AHCT594
t
PLH
, t
PHL
t
PLH
, t
PHL
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74AHCT595 8-bit serial-in/serial or parallel-out shift register with output latches;3-state(帶輸出鎖存的8位串行輸入/串行或并行輸出移位寄存器;三態(tài))
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