參數(shù)資料
型號(hào): 74AHC245PWDH
廠商: NXP SEMICONDUCTORS
元件分類: 通用總線功能
英文描述: Octal bus transceiver; 3-state
中文描述: AHC SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, PDSO20
封裝: 4.40 MM, PLASTIC, SOT-360-1, TSSOP-20
文件頁(yè)數(shù): 10/20頁(yè)
文件大小: 88K
代理商: 74AHC245PWDH
1999 Sep 28
10
Philips Semiconductors
Product specification
Octal bus transceiver; 3-state
74AHC245; 74AHCT245
Type 74AHCT245
GND = 0 V; t
r
= t
f
3.0 ns.
Note
1.
Typical values at V
CC
= 5.0 V.
SYMBOL
PARAMETER
TEST CONDITIONS
T
amb
(
°
C)
UNIT
WAVEFORMS
C
L
25
40 to +85
40 to +125
MIN.
TYP.
MAX.
MIN.
MAX.
MIN.
MAX.
V
CC
= 4.5 to 5.5 V;
note 1
t
PHL
/t
PLH
propagation delay
A
n
to B
n
; B
n
to A
n
propagation delay
OE to A
n
;
OE to B
n
; signal
name DIR
propagation delay
OE to A
n
;
OE to B
n
; signal
name DIR
propagation delay
A
n
to B
n
; B
n
to A
n
propagation delay
OE to A
n
;
OE to B
n
; signal
name DIR
propagation delay
OE to A
n
;
OE to B
n
; signal
name DIR
see Figs 4 and 6
15 pF
3.5
7.7
1.0
8.5
1.0
10.0
ns
t
PZL
/t
PZH
see Figs 5 and 6
5.0
13.8
1.0
15.0
1.0
17.5
ns
t
PLZ
/t
PHZ
5.0
14.4
1.0
15.5
1.0
18.0
ns
t
PHL
/t
PLH
see Figs 4 and 6
50 pF
4.5
8.7
1.0
9.5
1.0
11.0
ns
t
PZL
/t
PZH
see Figs 5 and 6
6.0
14.8
1.0
16.0
1.0
18.5
ns
t
PLZ
/t
PHZ
6.0
15.4
1.0
16.5
1.0
19.5
ns
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